* environ.cc (spenv::retrieve): Add debugging statements.
* pinfo.cc (set_myself): Don't call strace.hello if already stracing.
* strace.cc (strace): Move NO_COPY keyword so that it will actually take
effect.
* dtable.cc (dtable::vfork_child_dup): Use new method to determine if we are in
"setuid mode."
* fork.cc (fork_parent): Ditto.
* spawn.cc (spawn_guts): Ditto.
* syscalls.cc (seteuid32): Ditto.
(setegid32): Ditto.
* environ.cc (spenv::retrieve): (Suggested by Pierre Humblet) Do potential
recalculation of cygheap_user stuff when in setuid mode. Return special value
when environment variable exists but should not be added.
(build_env): Don't add retrieved value to dstp if it is 'dont_add'.
* environ.cc (NL): New macro.
(conv_envvars): Use NL macro to fill in name and namelen.
(spenv::namelen): New field.
(spenvs): Use NL to fill in name and namelen.
(spenv::retrieve): Eliminate length argument. Instead, use namelen throughout.
(build_env): Don't calculate length of initial FOO= part of environment.
Accommodate spenv::retrive argument change.
* cygheap.cc (cygheap_user::set_name): Clear winname when name changes.
* uinfo.cc (cygheap_user::env_logsrv): Avoid calculating server when Windows
user == SYSTEM.
(cygheap_user::env_domain): Set winname here too.
(cygheap_user::env_userprofile): Eliminate superfluous tests.
(cygheap_user::env_name): Seed winname by calling env_domain().
* environ.cc (build_env): Add debugging statement.
(spenvs): Switch functions for USERDOMAIN and USERNAME.
* spawn.cc (spawn_guts): Move environment initialization prior to
cygheap_setup_for_child or environment info will never be copied to child.
(cygheap_user::set_domain): Ditto.
* cygheap.h (cygheap_user::set_logsrv): Remove declaration.
(cygheap_user::set_domain): Ditto.
(cygheap_user::env_domain): Declare new method.
(cygheap_user::env_name): Ditto.
* environ.cc (spenvs): Add two environment variables.
* spawn.cc (spawn_guts): Call build_env after RevertToSelf. Always set
ciresrv.mount_h.
(cygheap_user::ontherange): Recalculate homedrive/homepath if they are empty.
Use env_logsrv to get logon server.
(cygheap_user::env_logsrv): Calculate server name here rather than relying on
it having been previously calculated.
(cygheap_user::env_domain): Ditto for domain name.
(cygheap-user::env_name): New method.
* syscalls.cc (seteuid32): Do not get or set the environment. Do not call
LookupAccountSid nor internal_getlogin. Set cygheap->user name and sid from
the passwd entry.
* uinfo.cc (uinfo_init): Only call internal_getlogin when starting from a non
Cygwin process and use the values returned in user.
(internal_getlogin): Simplify to case where starting from a non Cygwin process.
Store return values in user and return void. Do not set the Windows default
environment.
* dcrt0.cc (dll_crt0_1): Call uinfo_init only when needed. Do not set
myself->uid nor reset user.sid.
* spawn.cc (spawn_guts): Get the sid from cygheap->user. Always
RevertToSelf(). Don't set uid in impersonated case.
* cygheap.cc (cygheap_user::set_sid): Do not set orig_sig.
(cygheap_user::set_orig_sid): New.
* cygheap.h: Declare cygheap_user::set_sid.
* winsup.h: Add argument to uinfo_init().
homepath to NULL.
(cygheap_user::set_logsrv): Fix free'ing of plogsrv.
* cygheap.h (cygheap_user::cygheap_user): Initialize homedrive and
homepath to NULL.
user name change.
(cygheap_user::set_logsrv): Allocate enough space for leading \\ so that we can
put this in the environment, if needed.
* cygheap.h (homebodies): New enum.
(cygheap_user::homedrive): New field.
(cygheap_user::homepath): Ditto.
(cygheap_user::env_logsrv): New method.
(cygheap_user::env_homepath): New method.
(cygheap_user::env_homedrive): New method.
(cygheap_user::env_userprofile): New method.
(cygheap_user::ontherange): New method.
* environ.cc (envsize): Eliminate debugging argument.
(environ_init): Assume that envc counts number of elments not total size.
(spenv): New class.
(spenvs): New array, renamed from forced_winenv_vars, using spenv.
(spenv::retrieve): New method.
(build_env): Rename from 'winenv' -- one stop shopping for building new
environment blocks for both windows and "unix".
* environ.h (build_env: Declare.
(winenv): Delete declaration.
(envsize): Ditto.
* spawn.cc (spawn_guts): Use build_env to build windows and cygwin environment
blocks.
* uinfo.cc (internal_getlogin): Eliminate environment manipulation. Default to
info from GetUserName if it exists. Move HOMEPATH and HOMEDRIVE stuff
elsewhere. Move HOME setting elsewhere. Only set HOME environment variable in
processes that are not parented by a cygwin process.
(cygheap_user::ontherange): Define new method.
(cygheap_user::env_logsrv): Ditto.
(cygheap_user::env_homepath): Ditto.
(cygheap_user::env_homedrive): Ditto.
(cygheap_user::env_userprofile): Ditto.
command-line setting.
* cygwin.din: Export sexec* functions as function which returns ENOSYS
(i.e., sexec* is deprecated).
* dtable.cc (dtable::vfork_child_dup): Ensure that impersonation is restored
even on failure.
* exec.cc: Throughout, remove references to sexec* and _spawnve.
* pinfo.h: Remove _spawnve declaration.
* spawn.cc: Rename _spawnve to spawnve and use throughout.
(spawn_guts): Eliminate hToken argument and processing of same. Just perform
special actions if impersonating.
(spawnve): Rename from _spawnve.
global ctors.
* wincap.h (wincap): Eliminate constructor. Default is to zero memory, anyway.
* wincap.cc (wincap): Copy this on fork to avoid initialization in forked
processes.
* cygwin.din: Add _pthread_cleanup_push and _pthread_cleanup_pop.
* pthread.cc: Change __pthread_self to pthread::self() thruoghout.
(_pthread_cleanup_push): New function.
(_pthread_cleanup_pop): Ditto.
* thread.cc: Thanks to Thomas Pfaff for the pthread cleanup_push,_pop
patch, this work is derived from that.
Change __pthread_self to pthread::self() thruoghout.
(__pthread_self): Rename to pthread::self.
(pthread::self): New method.
(pthread::pthread): Initialize new member.
(pthread::push_cleanup_handler): New method.
(pthread::pop_cleanup_handler): New method.
(pthread::pop_all_cleanup_handlers): New method.
(__pthread_exit): Pop all cleanup handlers.
* thread.h (pthread::push_cleanup_handler): Declare.
(pthread::pop_cleanup_handler): Ditto.
(pthread::pop_all_cleanup_handlers): Ditto.
(pthread::self): New static method.
(__pthread_exit): Give C++ linkage.
(__pthread_join): Ditto.
(__pthread_detach): Ditto.
(__pthread_self): Remove.
2002-04-24 Thomas Pfaff <tpfaff@gmx.net>
* include/pthread.h (__pthread_cleanup_handler): New structure
(pthread_cleanup_push): Rewritten .
(pthread_cleanup_pop): Ditto.
(_pthread_cleanup_push): New prototype.
(_pthread_cleanup_pop) Ditto.
2002-04-24 Thomas Pfaff <tpfaff@gmx.net>
* thread.cc (thread_init_wrapper): Check if thread is already joined.
(__pthread_join): Set joiner first.
(__pthread_detach): Ditto.
* cygserver_transport.cc (create_server_transport): Finish the split
out of sockets code from transport_layer_base. Thanks to Nicholas
Wourms and Conrad Scott for catching this.
(timeGetTime): Ditto.
(timeBeginPeriod): Ditto.
(timeEndPeriod): Ditto.
* hires.h (hires_base): New class. Renamed from hires.
(hires_us): New class.
(hires_ms): New class.
* strace.cc (strace::microseconds): Use hires_us class.
* times.cc (gettimeofday): Use hires-ms class.
(hires_us::prime): Renamed from hires::prime.
(hires_us::usecs): Renamed from hires:usecs.
(hires_ms::prime): New method.
(hires_ms::usecs): New method.
(hires_ms::~hires_ms): New destructor.
st_atim, st_mtim, and st_ctim fields.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Ditto.
* fhandler_process.cc (fhandler_process::fstat): Ditto.
* glob.c (stat32_to_STAT): Copy across the whole st_atim,
st_mtime, and st_ctim fields.
* syscalls.cc (stat64_to_stat32): Ditto.
* times.cc (to_timestruc_t): New function.
(time_as_timestruc_t): New function.
* winsup.h: Add to_timestruc_t and time_as_timestruc_t functions.
* include/cygwin/stat.h: Replace time_t with timestruc_t
throughout for all file times, removing the st_spare1, st_spare2,
and st_spare3 fields in the process. Add macros to access tv_sec
fields by old names.
* include/cygwin/types.h: Typedef timespec_t and timestruc_t as
struct timespec.
* security.cc (alloc_sd): Remove logsrv argument.
Remove two calls to lookup_name.
(set_security_attribute): Remove logsrv argument.
Remove logsrv argument in call to alloc_sd.
(set_nt_attribute): Remove logsrv argument.
Remove logsrv argument in call to set_security_attribute.
(set_file_attribute): Remove logsrv argument.
Remove logsrv argument in call to set_nt_attribute.
(set_file_attribute): Remove logsrv argument.
Remove logsrv argument in call to set_file_attribute.
* syscalls.cc (chown_worker): Remove logserver argument in
call to set_file_attribute.
(chmod): Ditto.
* shm.cc (shmget): Remove logsrv argument in call to alloc_sd.
* uinfo.cc (internal_getlogin): Replace calls to
lookup_name by call to LookupAccountName.
* security.h: Remove logsrv in declarations of set_file_attribute
and alloc_sd. Remove declaration of lookup_name.
* path.cc (get_devn): Only consider first 99 potential com devices.
(get_device_number): Ditto.
* times.cc (_times): Eliminate.
(_times): Renamed from times().
"read-only" virtual devices. (Suggested by Pavel Tsekov)
* syscalls.cc (unlink): Detect attempts to remove directories from "read-only"
virtual devices. (From Pavel Tsekov)
NT systems, read primary group SID from process token. Use that info
to create correct group entry. On error or on 9x systems fallback
to emulating Administrators group as before.
(read_etc_passwd): When emulating nonexisting passwd file on NT systems,
read user and primary group SID from process token. Use that info to
create correct passwd entry. On error or on 9x systems fallback to
emulating user with Administrator user id and Administrators group
as before.
(parse_grp): Make line parameter nonconst. Don't copy data into new
allocated memory. Check for CR instead of LF to accomodate new
read method.
(add_grp_line): Make line parameter nonconst.
(read_etc_group): Rearrange using new pwdgrp_read class.
* passwd.cc (parse_pwd): Don't copy data into new allocated memory.
Check for CR instead of LF to accomodate new read method.
(read_etc_passwd): Rearrange using new pwdgrp_read class.
* pwdgrp.h (pwdgrp_check::set_last_modified): Use different
parameters.
(class pwdgrp_read): New class for opening and reading passwd and
group files.
* fhandler.h: Move fcntl.h include here.
(fhandler_base::set_flags): Accept supplied_bin argument. Make non-inlined.
* dtable.cc (dtable::init_std_file_from_handle): Just use binmode from pc.
(reset_to_open_binmode): Use set_flags.
* cygwin.din (open): Avoid newlib wrapper.
(read): Ditto.
(unlink): Ditto.
(write): Ditto.
* fhandler.cc (fhandler_base::set_flags): Accept supplied_bin argument. Make
binmode decisions here.
(fhandler_base::open): Avoid using pc if it is NULL. Eliminate binmode logic.
Just call set_flags with binmode argument.
(fhandler_base::init): Call set_flags with binmode argument.
* fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
(fhandler_console::init): Force binary on open.
* fhandler_disk_file.cc (fhandler_disk_file::open): Don't set binmode here.
Let it happen in base class.
* fhandler_dsp.cc (fhandler_dev_dsp::open): Force binmode open. Set return
value appropriately if unable to open.
* fhandler_proc.cc (fhandler_proc::open): Make sure flags are set before
open_status.
* fhandler_process.cc (fhandler_process::open): Ditto.
* fhandler_registry.cc (fhandler_registry::open): Ditto.
* fhandler_random.cc (fhandler_dev_random::fhandler_dev_random): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::open): Force O_BINARY by default.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
(fhandler_pty_master::open): Ditto.
* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
* fhandler_windows.cc (fhandler_windows::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
* net.cc (fdsock): Ditto.
* path.cc (path_conv::check): Avoid checking for extension when error or
directory.
(set_flags): Set PATH_TEXT explicitly, when appropriate.
(mount_info::conv_to_win32_path): Use set_flags() to set path flags.
* path.h (PATH_TEXT): New enum.
(path_conv::binmode): Return appropriate constant based on binmode.
* pipe.cc (make_pipe): Set binmode to O_TEXT xor O_BINARY.
* syscalls.cc (setmode_helper): Make debugging message a little clearer.
(setmode): Set binmode via set_flags.
fixup_after_fork (bool, HANDLE).
* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Move
functionality to new private method. Add closing parent socket
if not called from dup(). Create method new calling private method
with appropriate parameter.
(fhandler_socket::fixup_after_exec): Call private method
fixup_after_fork with appropriate parameter.
(fhandler_socket::dup): Ditto.
check for file. Files should already be set. Report on binary mode for
debugging.
(fhandler_base::fhandler_base): Don't set default binmode here. That's for
later.
* fhandler_console.cc (fhandler_console::output_tcsetattr): Don't set binmode,
ever, for console.
* fhandler_disk_file.cc (fhandler_disk_file::open): Always set the binary mode
to the value derived from mount table.
* path.cc (mount_info::conv_to_win32_path): Default to binmode if path does not
translate into anything in the mount table.
(fstat64): Add evaluating st_ino and st_dev.
(stat_worker): Evaluate st_dev as 32 bit value.
* include/cygwin/stat.h: Use new dev_t definition throughout.
* include/cygwin/types.h: Define __dev16_t and __dev32_t. Define
dev_t according to __CYGWIN_USE_BIG_TYPES__ setting.
* include/sys/sysmacros.h: Define major, minor and makedev
according to __CYGWIN_USE_BIG_TYPES__ setting.
(get_lsa_srv_inf): Suppressed.
(get_logon_server_and_user_domain): Suppressed.
(get_logon_server): Essentially new.
(get_user_groups): Add "domain" argument. Only lookup the
designated server and use "domain" in LookupAccountName.
(is_group_member): Simplify the arguments.
(get_user_local_groups): Simplify the arguments. Do only a
local lookup. Use "BUILTIN" and local domain in LookupAccountName.
(get_user_primary_group). Only lookup the designated server.
(get_group_sidlist): Remove logonserver argument. Do not lookup
any server for the SYSTEM account.
(create_token): Delete logonserver and call to get_logon_server.
Adjust arguments of get_group_sidlist, see above.
* security.h: Delete declaration of get_logon_server_and_user_domain
and add declaration of get_logon_server.
* uinfo.cc (internal_get_login): Call get_logon_server instead of
get_logon_server_and_user_domain.
* fhandler.h (fhandler_proc::fill_filebuf): Take a pinfo argument.
* fhandler_proc.cc (fhandler_proc::get_proc_fhandler): Simplify search for
given pid.
(fhandler_proc::readdir): Assume that pid exists if it shows up in the winpid
list.
* fhandler_process.cc (fhandler_process::open): Simplify search for given pid.
Call fill_filebuf with pinfo argument.
(fhandler_process::fill_filebuf): Pass pinfo here and assume that it exists.
* pinfo.h (pinfo::remember): Define differently if sigproc.h is not included.
* dll_init.cc (dll_list::detach): Don't run destructor on exit.
* syscalls.cc (stat_worker): Calculate dev and ino calculation here, if zero.
* fhandler_proc.cc (fhandler_proc::fhandler_proc): Minor reorg for debugging.
* fhandler_process.cc (fhandler_process::exists): Return 0 on nonexistence.
(fhandler_process::fstat): Simplify pid logic.
* fhandler_tape.cc (fhandler_dev_tape::fstat): Minor reformatting.
* dtable.cc (dtable::init_std_file_from_handle): Default to using binmode
derived from path_conv, when required.
* fhandler.h (fhandler_base::get_w_binary): Default to binmode if nothing else
is specified.
* fhandler.h (fhandler_base::get_r_binary): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_by_handle): Work around g++
warning.
* path.cc (path_conv::check): Remove a debugging statement.
(fhandler_console::write_normal): Don't honor binmode setting. There is
already a termios setting for this.
(fhandler_console::init): Correct argument order in init call.
Drop ZwQuerySystemInformation since NtQuerySystemInformation was
already available.
* fhandler_proc.cc (format_proc_uptime): Replace call to
ZwQuerySystemInformation by call to NtQuerySystemInformation.
(format_proc_stat): Ditto.
* fhandler_process.cc (format_process_stat): Replace call to
ZwQueryInformationProcess by call to NtQueryInformationProcess.
(get_process_state): Ditto.
(get_mem_values): Ditto. Replace call to ZwQueryVirtualMemory by
call to NtQueryVirtualMemory.
* ntdll.h: Cleanup. Drop ZwQuerySystemInformation since
NtQuerySystemInformation was already available. Replace declarations
of ZwXXX functions by declarations of NtXXX.
* pinfo.cc (winpids::enumNT): Replace call to ZwQuerySystemInformation
by call to NtQuerySystemInformation.
* include/sys/cygwin.h (external_pinfo): Define
EXTERNAL_PINFO_VERSION_16_BIT and EXTERNAL_PINFO_VERSION_32_BIT
instead of just EXTERNAL_PINFO_VERSION.
(LoadFuncEx2): Adapted from LoadFuncEx. Provides control of return value for
nonexistent function.
(NtQueryObject): Declare.
(IsDebuggerPresent): Declare via LoadFuncEx2 and always return true if not
available.
* debug.h (being_debugged): Just rely on IsDebuggerPresent return value.
* dtable.cc (handle_to_fn): New function.
(dtable::init_std_file_from_handle): Attempt to derive std handle's name via
handle_to_fn.
(dtable::build_fhandler_from_name): Fill in what we can in path_conv structure
when given a handle and path doesn't exist.
* fhandler.cc (fhandler_base::open): Don't set the file pointer here. Use
pc->exists () to determine if file exists rather than calling GetFileAttributes
again.
* fhandler.h (fhandler_base::exec_state_isknown): New method.
(fhandler_base::fstat_helper): Add extra arguments to declaration.
(fhandler_base::fstat_by_handle): Declare new method.
(fhandler_base::fstat_by_name): Declare new method.
* fhandler_disk_file (num_entries): Make __stdcall.
(fhandler_base::fstat_by_handle): Define new method.
(fhandler_base::fstat_by_name): Define new method.
(fhandler_base:fstat): Call fstat_by_{handle,name} as appropriate.
(fhandler_disk_file::fstat_helper): Accept extra arguments for filling out stat
structure. Move handle or name specific stuff to new methods above.
(fhandler_disk_file::open): Use real_path->exists rather than calling
GetFileAttributes again.
* ntdll.h (FILE_NAME_INFORMATION): Define new structure.
(OBJECT_INFORMATION_CLASS): Partially define new enum.
(OBJECT_NAME_INFORMATION): Define new structure.
(NtQueryInformationFile): New declaration.
(NtQueryObject): New declaration.
* path.cc (path_conv::fillin): Define new method.
* path.h (path_conv::fillin): Declare new method.
(path_conv::drive_thpe): Rename from 'get_drive_type'.
(path_conv::volser): Declare new method.
(path_conv::volname): Declare new method.
(path_conv::root_dir): Declare new method.
* syscalls.cc (fstat64): Send real path_conv to fstat as second argument.
Attempt to use an existing or new token even when the uid
matches orig_uid, but the gid is not in the process token.
Major reorganization after several incremental changes.
(setegid): Do not take allow_ntsec into account. Minor
reorganization after several incremental changes.
* dtable.cc (dtable::extend): Use new macro.
* exceptions.cc (try_to_debug): Ditto.
* strace.cc (strace::hello): Only output debugging info when we think we're
being debugged.
where appropriate, throughout. Remove unneeded exceptions.h, where
appropriate, throughout. Remove unneeded perprocess.h, where appropriate,
throughout.
INVALID_HANDLE_VALUE instead of NULL.
(get_logon_server_and_user_domain): Test for INVALID_HANDLE_VALUE
instead of NULL.
(create_token): Both of the above.
Replace in-line code by call to verify_token().
(setegid): Reverse change from 2002-01-21. Add call to
RevertToSelf and set primary group in impersonation token.
* security.cc (create_token): Store pgrpsid in token security
descriptor, except if it already appears in my_grps.
Use sec_acl() in place of get_dacl().
(verify_token): Create from code in seteuid(), with tighter checks.
(get_dacl) Deleted.
(get_group_sidlist): Add argument to indicate if pgrpsid is already
in the groups.
* security.h: Define verify_token().
* autoload.cc: Load GetKernelObjectSecurity().
equivalent to not_executable.
* sys/mount.h: Define MOUNT_NOTEXEC.
* path.h (fs_info): New class.
(path_conv): Move fs-specific fields to new 'fs' structure.
(path_conv::update_fs_info): Move to fs_info and rename to just 'update'.
* path.cc (fs_info::update): Ditto. Return 'true' if successful.
(fillout_mntent): Add ',noexec' to list of reported options.
'ZwQueryVirtualMemory'.
* fhandler.h: Change type of bufalloc and filesize members of fhandler_virtual
from int to size_t. Change type of position member from __off32_t to
__off64_t. Add new fileid member to fhandler_virtual class. Make seekdir take
an __off64_t argument. Make lseek take an __off64_t argument. Add
fill_filebuf method to fhandler_virtual. Add fill_filebuf method to
fhandler_proc. Add fill_filebuf method to fhandler_registry. Add fill_filebuf
method to fhandler_process. Add saved_pid and saved_p members to
fhandler_process.
* fhandler_proc.cc (proc_listing_array): Add 'loadavg', 'meminfo', and 'stat'.
(proc_fhandlers array): Ditto.
(fhandler_proc::open): Use fill_filebuf to flesh out the file contents.
(fhandler_proc::fill_filebuf): New method.
(fhandler_proc::format_proc_meminfo): Ditto.
(fhandler_proc::format_proc_stat): Ditto.
(fhandler_proc::format_proc_uptime): Ditto.
* fhandler_process.cc (process_listing): Add 'stat' and 'statm'.
(fhandler_process::fstat): Find the _pinfo structure for the process named in
the filename. Return ENOENT if the process is no longer around. Set the gid
and uid fields of the stat structure.
(fhandler_process::open): Store pid and pointer to _pinfo structure in
saved_pid and saved_p respectively. Use fill_filebuf to flesh out file
contents.
(fhandler_proc::fill_filebuf): New method.
(format_process_stat): New function.
(format_process_status): Ditto.
(format_process_statm): Ditto.
(get_process_state): Ditto.
(get_mem_values): Ditto.
* fhandler_registry.cc (fhandler_registry::seekdir): Change argument type from
__off32_t to __off64_t.
(fhandler_registry::fill_filebuf): New method.
* fhandler_virtual.cc (fhandler_virtual::seekdir): Change argument type from
__off32_t to __off64_t.
(fhandler_virtual::lseek): Ditto.
(fhandler_virtual::fill_filebuf): New method.
(fhandler_virtual::fhandler_virtual): Initialise fileid to -1.
* wincap.cc: Set flag has_process_io_counters appropriately.
* wincap.h: Add flag has_process_io_counters.
* fhandler_proc.cc (proc_listing): Add '.' and '..' to directory listing.
(fhandler_proc::open): Change use of mode to flags. If the file does not exist
already, fail with EROFS if O_CREAT flag is set. Change EROFS error to EACCES
error when writing to a file. Use cmalloc to allocate memory for filebuf.
(fhandler_proc::close): Use cfree to free filebuf.
(fhandler_proc::get_proc_fhandler): Properly detect attempts to access unknown
subdir.
* fhandler_process.cc (process_listing): Add '.' and '..' to directory listing.
(fhandler_process::open): Use cmalloc to allocate memory for filebuf.
(fhandler_process::close): Use cfree to free filebuf.
* fhandler_registry.cc (registry_listing): Add . and '..' to directory
listing.
(fhandler_registry::open): Move check for open for writing before open_key.
Use cmalloc to allocate memory for filebuf.
(fhandler_registry::close): Use cfree to free filebuf.
(fhandler_registry::telldir): Use lower 16 bits of __d_position as position in
directory.
(fhandler_registry::seekdir): Ditto.
* fhandler_virtual.cc (fhandler_virtual::write): Change EROFS error to EACCES
error.
(fhandler_virtual::open): Set the NOHANDLE flag.
(fhandler_virtual::dup): Add call to fhandler_base::dup. Allocate child's
filebuf using cmalloc. Copy filebuf from parent to child.
(fhandler_virtual::close): Use cfree to free filebuf.
(fhandler_virtual::~fhandler_virtual): Ditto.
(from Chris Faylor <cgf@redhat.com>).
(fhandler_registry::readdir): Add support for '.' and '..' files in
subdirectories of /proc/registry.
* path.cc (path_conv::check): Do not return ENOENT if a file is not found in
/proc.
path_conv name.
(fhandler_proc::open): Ditto.
* fhandler_process.cc (fhandler_process::fstat): Use fhandler name rather than
path_conv name.
(fhandler_process::open): Ditto.
* fhandler_registry.cc (fhandler_registry::fstat): Use fhandler name rather
than path_conv name.
(fhandler_registry::open): Ditto.
* path.cc (path_conv::check): Don't copy posix path when virtual.
(mount_info::conv_to_win32_path): Don't zero string when isproc. Just derive
normal windows path.
* path.h (path_conv::clear_normalized_path): Declare new method.
* path.cc (path_conv::clear_normalized_path): Define new method.
* dtable.cc (build_fhandler_from_name): Clear normalized path when finished to
conserve space.
* thread.cc (__pthread_cond_dowait): Fix a race on signalling from a
thread woken by the same condition variable it's signalling on. Thanks
to Michael Beach for the report and test case.
(path_conv): Add normalized_path field.
* path.cc (path_conv::~path_conv): New destructor.
(path_conv::check): Set normalized_path, where appropriate.
* dtable.cc (build_fhandler_from_name): Use normalized path from path_conv.
* syscalls.cc (chroot): Ditto.
* cygheap.h: Remove path_prefix_p declaration. Christopher Faylor
<cgf@redhat.com> (minor fixups)
* Makefile.in: Add fhandler_proc.o, fhandler_registry.o, fhandler_process.o and
fhandler_virtual.o.
* dtable.cc (dtable::build_fhandler): Add entries for FH_PROC, FH_REGISTRY and
FH_PROCESS. Set unix_name to the normalized posix path.
* fhandler.h: Add constants for FH_PROC, FH_REGISTRY and FH_PROCESS. Add class
declarations for fhandler_virtual, fhandler_proc, fhandler_registry and
fhandler_virtual. Update fhandler_union accordingly.
* fhandler_proc.cc: New file. Add implementation for fhandler_proc.
* fhandler_virtual.cc: New file. Add implementation for fhandler_virtual.
* fhandler_process.cc: New file. Add implementation for fhandler_process.
* fhandler_registry.cc: New file. Add implementation for fhandler_registry.
* path.cc: Add isproc and isvirtual_dev macros.
* path.cc (path_conv::check): Add check for virtual devices.
* path.cc (mount_info::conv_to_win32_path): Convert paths in /proc to empty
Win32 paths.
* path.cc (chdir): Replace check for FH_CYGDRIVE with more generic
isvirtual_dev macro. Force setting of posix path for virtual fhandlers.
* path.h: Add externally visible path_prefix_p and normalized_posix_path
prototypes.
(socketpair): Set socket type for both sockets.
From Egor Duda <deo@logos-m.ru>:
* fhandler.h (class fhandler_socket): New member to store socket type.
(fhandler_socket::get_socket_type): Access it.
(fhandler_socket::set_socket_type): Ditto.
* net.cc (cygwin_socket): Store socket type.
(cygwin_connect): Disable security checks for connectionless sockets.
(cygwin_accept): Ditto.
(g_lstat): Call user space functions always with 32 bit struct stat
as a workaround.
(g_stat): Ditto.
* include/glob.h (struct glob): Don't prototype function pointers
when compiling Cygwin.
closing parent process handle. Call fixup_mmaps_after_fork()
with parent process handle as parameter.
* mmap.cc (mmap_record::access): New method.
(fixup_mmaps_after_fork): Take process handle as parameter.
In case of FILE_MAP_COPY access, copy valid memory regions to child.
* pinfo.h (fixup_mmaps_after_fork): Change prototype accordingly.
(NetServerEnum): Remove symbol.
* security.cc (get_lsa_srv_inf): Call NetGetDCName() instead of
NetServerEnum() since it's faster. Don't call it at all if machine
is not a domain member.
* cygserver_transport_pipes.cc (transport_layer_pipes::transport_layer_pipes):
Always init - until static members work correctly.
* shm.cc (shmget): Initialize the security descriptor - thanks Corinna!
* include/sys/ipc.h: Make the ipc control constants partitioned off from the sem
control constants.
* cygserver_shm.cc: Run indent.
(deleted_head): New global for storing shm id's pending deletion.
(client_request_shm::serve): Return ENOSYS for invalid request types.
Implement SHM_DEL - delete a shm id.
* cygserver_shm.h (SHM_DEL): New type value.
* shm.cc (delete_inprocess_shmds): New function, does what it's name implies.
(shmctl): Implement shm_rmid control type.
* Merged cygwin_daemon into head minus the new shm and ipc exports.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* fhandler_tty.cc (fhandler_tty_slave::open): More debugging.
(fhandler_tty_slave::read): Fix printf type for the handle.
* tty.cc (tty::common_init): Add a FIXME for security.
2002-01-29 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in (OBJS): Remove duplicate localtime.o.
2002-01-17 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (check_and_dup_handle): Consolidate the two variants for
simplicity.
Add Some basic debug output.
(client_request_attach_tty::serve): Use the new debug_printf for clarity.
Mark the duplicated handles as inheritable - fixup_after_fork() doesn't reopen
tty's.
2002-01-16 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (transport): Correct scope.
(client_request_attach_tty::serve): Add more debug information.
Fix erroneous use of transport instead of conn.
* cygserver_transport_pipes.cc (transport_layer_pipes::close): More debug.
(transport_layer_pipes::read): Ditto.
(transport_layer_pipes::write): Ditto.
(transport_layer_pipes::impersonate_client): Ditto.
Mon Oct 8 7:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (server_request::process): Rename client_request_shm_get to
client_request_shm.
* cygserver_process.cc (process_cache::add): Rename to add_task.
Use process_cleanup instead of process_request.
(process_cache::remove_process): New method.
(process::process): Initialize new members.
(process::~process): New member.
(process::cleanup): New method.
(process::add_cleanup_routine): New method.
(process_request::process): Rename to process_cleanup.
Call the process object's cleanup method and then delete it.
(process_process_param::request_loop): Remove the signalling process.
* cygserver_shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm_get::serve): Handle attach request counting.
* cygserver_shm.h: Globally rename client_request_shm_get to client_request_shm.
(class shm_cleanup): New class.
* shm.cc: Globally rename client_request_shm_get to client_request_shm.
(client_request_shm::client_request_shm): New constructor for attach requests.
(shmat): Use it.
* include/cygwin/cygserver_process.h (class process_request): Rename to
process_cleanup.
(class cleanup_routine): New class.
(class process): New members and methods to allow calling back when the process
terminates.
Thu Oct 4 14:12:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (request_loop): Make static.
(main): Use new cache constructor syntax.
Start cache worker threads.
Cleanup the cache at shutdown.
* cygserver_process.cc: Run indent.
(process_cache::process_cache): Add a trigger to use when adding a process.
(process_cache::process): Move process_entry to process.
Insert at the end of the list.
Trigger the request loop when new process's inserted.
(process_cache::process_requests): Do it.
(process_cache::add): New method.
(process_cache::handle_snapshot): New method.
(process::process): Merge in the process_entry fields.
(process::handle): Make a stub function.
(process::exit_code): New method.
(process_request::process): New method.
(process_process_param::request_loop): New method.
* cygserver_shm.cc: New header dependency - threaded_queue.h.
* threaded_queue.cc (threaded_queue::cleanup): Clearer messages.
(queue_process_param::stop): Short spinlock on interruptible threads.
* threaded_queue.h (class threaded_queue): New constructor.
* include/cygwin/cygserver_process.h (process_request): New class.
(process_entry): Remove.
(process): Merge in process_entry.
(process_cache): Inherit from threaded_queue.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (class server_process_param): Use new constructor syntax.
* cygserver_process.cc (process_cache::~process_cache): New function.
* threaded_queue.cc: Define condition debug_printf.
Run indent.
(threaded_queue::cleanup): Move queue_process_param guts to a method.
(threaded_queue::process_requests): Ditto.
(queue_process_param::queue_process_param): New method.
(queue_process_param::~queue_process_param): Ditto.
(queue_process_param::start): Ditto.
(queue_process_param::stop): Ditto.
* threaded_queue.h (class queue_process_param): Add support for
interruptible request loops.
* cygwin/include/cygwin/cygserver_process.h (class process_cache): Add
destructor.
Tue Oct 2 23:24:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver_client.cc: New flag allow_daemon to disable the daemon completely.
(cygserver_request): Check it.
(cygserver_init): Ditto.
* environ.cc (parse_thing): Add (no)daemon option.
Tue Oct 2 23:00:00 2001 Robert Collins <rbtcollins@hotmail.com>
* shm.cc: Update to handle include changes from HEAD.
Tue Oct 2 16:06:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Remove cygserver_shm.o from cygwin1.dll.
Rename cygserver_shm_outside.o to cygserver_shm.o.
* cygserver.cc (server_request::process): Use the new client_request
constructor.
* cygserver_client.cc: Remove the #ifdef's stubs for the server method
within cygwin.
(client_request_attach_tty::client_request_attach_tty): Use the new
client_request constructor.
(client_request_shutdown::client_request_shutdown): Ditto.
(client_request::client_request): Ditto.
* cygserver_shm.cc (client_request_shm_get::serve): Remove the
#ifdef'd stub for in-cygwin builds.
(client_request_shm_get::client_request_shm_get): Use the new
client_request constructor, and remove the in-cygwin variants.
* cygserver_shm.h (class client_request_shm_get): #ifndef test the
serve method - it's only used in cygserver.
* shm.cc (client_request_shm_get::client_request_shm_get): New function.
* include/cygwin/cygserver.h (request_header): New constructor.
(class client_request): Use it.
New constructor accepting the header size.
#ifndef test the server method - it's only used within cygserver.
(client_request_get_version): #ifdef test the server method.
(client_request_shutdown): Ditto.
(client_request_attach_tty): Ditto.
Tue Oct 2 9:57:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: add threaded_queue.o to cygserver.exe.
* cygserver.cc: Include threaded_queue.h
(class server_request): Inherit from queue_request.
(class server_process_param): Inherit from queue_process_param.
(class server_request_queue): Inherit from threaded_queue.
(request_loop): Adjust for new types.
(server_request_queue::process_requests): Remove guts to
threaded_queue::process_requests.
(server_request::server_request): Adjust for new types.
(worker_function): Delete.
(server_request_queue::create_workers): Delete.
(server_request_queue::cleanup): Delete.
(server_request_queue::add): Move guts to threaded_queue::add.
* threaded_queue.cc: New file.
* threaded_queue.h: New file.
Mon Oct 1 12:38:00 2001 Robert Collins <rbtcollins@hotmail.com>
* cygserver.cc (client_request::serve): New function.
* cygserver_process.cc: Inlude <pthread.h> for pthread_once.
(process_cache::process_cache): Initialise a crtiical section for write access.
(process_cache::process): Use the critical section. Also add missing entries to
the cache.
(do_process_init): New function to initalise class process static variables.
(process::process): Ensure that the process access critical section is
initialised.
(process::handle): Close the handle of old process's when they have terminated
and we are returning the handle for a process with the same pid.
* cygserver_shm.cc: Run indent.
Include cygserver_process.h to allow process cache functionality.
(client_request_shm_get::serve): New parameter for process cache support.
Use the process cache, not OpenProcess to get a handle to the originating process.
Fix a handle leak with token_handle.
* cygserver_shm.h (class client_request_shm_get): Update ::serve for process
cache support.
* cygserver_transport_pipes.cc: Redefine debug_printf to be conditional on DEBUG.
* include/cygwin/cygserver.h: Do not implement client_request::serve in the
header.
* include/cygwin/cygserver_process.h (class process_cache): Add a write access
critical section to prevent races when requests from a multithreaded
application arrive.
Sun Sep 30 23:41:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_process.o to cygserver.exe.
* cygserver.cc: Include signal.h and cygwin_version.h.
Define debug_printf as a macro.
Define DEBUG to a value.
(client_request_attach_tty::serve): Add beginning of process cache support.
Change from #ifdef DEBUG to work with new DEBUG style.
(client_request_get_version::serve): Add beginning of process cache support.
(class server_request): New prototype for support of process cache.
(class queue_process_param): New class to allow request loop threading.
(class server_request_queue): Add beginning of process cache support.
Allow request loop threading.
(request_loop): Thread function for request loops.
(server_request_queue::process_requests): Initiator for threaded request loops.
(client_request_shutdown::serve): Add beginning of process cache support.
(server_request::server_request): Ditto.
(server_request::process): Use debug_printf. Add beginning of process cache
support.
(server_request_queue::cleanup): Kill off any request loop threads.
(server_request_queue::add): Add beginning of process cache support.
(handle_signal): Trigger a shutdown.
(main): Print out some useful info at startup - version, date time.
Add process cache support.
Spawn a separate thread for the transport request loop, thus allowing concurrent
support for multiple transports.
* cygserver_client.cc (client_request_get_version::serve): Add process cache
support.
(client_request_attach_tty::serve): Add process cache support.
(client_request_shutdown::serve): Add process cache support.
* cygsserver_process.cc: New file with the process cache support.
* cygserver_shm.cc: Redefine debug_printf to allow conditional output.
* cygwin.din: Export shmdt().
* shm.cc: Run indent.
Update FIXME's.
(shmdt): New function.
* include/cygwin/cygserver.h (class client_request): Add process cache support.
(class client_request_get_version): Ditto.
(class client_request_shutdown): Ditto.
(class client_request_attach_tty): Ditto.
* include/cygwin/cygserver_process.h: New header for process cache support.
Sun Sep 30 8:52:00 2001 Robert Collins <rbtcollins@hotmail.com>
* include/cygwin/cygserver_transport.h: Add copyright header.
* include/cygwin/cygserver_transport_pipes.h: Ditto.
* include/cygwin/cygserver_transport_sockets.h: Ditto.
Sat Sep 29 20:40:00 2001 Robert Collins <rbtcollins@hotmail.com>
* Makefile.in: Add cygserver_transport_sockets.o to DLL_OFILES.
Add cygserver_transport_sockets_outside.o to cygserver.exe.
* cygserver.cc: Include new include files.
* cygserver_client.cc: Ditto.
* cygserver_shm.h: No need to include <sys/socket.h> now.
* cygerver_transport.cc: Include new include files.
(transport_layer_base::transport_layer_base): Strip back to a stub.
(transport_layer_base::listen): Ditto.
(transport_layer_base::accept): Ditto.
(transport_layer_base::close): Ditto.
(transport_layer_base::read): Ditto.
(transport_layer_base::write): Ditto.
(transport_layer_base::connect): Ditto.
* cygserver_transport_pipes.cc: Include new header
"cygwin/cygserver_transport_pipes.h".
* cygserver_transport_sockets.cc: New file.
* dcrt0.cc: No need to include <sys/socket.h> now.
* fhandler_tty.cc: Ditto.
* tty.cc: Ditto.
* include/cygwin/cygserver_transport.h: Strip the base class to a stub.
Remove the cygserver_transport_pipes class.
* include/cygwin/cygserver_transport_pipes.h: New file.
* include/cygwin/cygserver_transport_sockets.h: New file.
Tue Sep 25 16:22:00 2001 Robert Collins <rbtcollins@hotmail.com>
* autoload.cc: Add dynamic load statement for 'ImpersonateNamedPipeClient'.
* Makefile.in: Add new object files, and build instructions for cygserver.exe.
* cygwin.din: Export ftok, shmat, shmctl and shmget.
* dcrt0.cc: Additional includes for cygserver support.
(dll_crt0_1): Initialise the cygserver client.
* fhandler.h (fhandler_tty): New method cygserver_attach_tty.
* fhandler_tty.cc: Additional includes for cygserver support.
(fhandler_tty_slave::open): Attempt to use the cygserver when obtaining
handles from the parent process. On failure or 9x use the current method.
(fhandler_tty_slave::cygserver_attach_tty): New function.
* fork.cc (fork_child): Fixup shm memory mapped areas.
* pinfo.h: Declare fixup_shms_after_fork().
* security.h: Declare alloc_sd().
* tty.cc: Additonal includes to support cygserver.
(tty::common_init): Don't allow others to open us if the cygserver is running.
* winsup.h: Declare cygserver_running.
* cygserver.cc: New file.
* cygserver_client.cc: New file.
* cygserver_shm.cc: New file.
* cygserver_shm.h: New file.
* cygserver_transport.cc: New file.
* cygserver_transport_pipes.cc: New file.
* ipc.cc: New file.
* shm.cc: New file.
* include/cygwin/cygserver.h: New file.
* include/cygwin/cygserver_transport.h: New file.
* include/sys/ipc.h: New file.
* include/sys/shm.h: New file.
2002-02-28 Robert Collins <rbtcollins@hotmail.com>
* thread.cc (semaphore::TryWait): Set errno as required by posix 1003.1.
(__sem_wait): Ditto.
(__sem_trywait): Ditto.
muto. Use this argument to construct static storage.
* cygheap.cc (cygheap_init): Reflect above change.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* cygheap.h (cwdstuff): Change name of lock element to make it less generic.
* path.cc (cwdstuff::get_hash): Ditto.
(cwdstuff::get_initial): Ditto.
(cwdstuff::set): Ditto.
(cwdstuff::get): Ditto.
* sigproc.cc (proc_subproc): Ditto.
* debug.cc (lock_debug): Change to method. Use method rather than macro
throughout.
* tty.h (tty_min::kill_pgrp): Declare new method.
* fhandler_termios.cc (tty_min::kill_pgrp): New method.
(fhandler_termios::line_edit): Use new method for killing process.
* dcrt0.cc (do_exit): Ditto.
* dtable.cc (dtable::get_debugger_info): New method for inheriting dtable info
from a debugger.
* tty.cc (tty_init): Attempt to grab file handle info from parent debugger, if
appropriate. # dtable.cc (dtable::stdio_init): Make this a method.
(dtable::init_std_file_from_handle): Don't set fd unless it's not open.
(dtable::build_fhandler_from_name): Move name setting to
dtable::build_fhandler.
(dtable::build_fhandler): Add win32 name parameter.
* dcrt0.cc (dll_crt0_1): Change to use dtable stdio_init.
* dtable.h (dtable): Reflect build_fhandler parameter change.
* mmap.cc (mmap_record::alloc_fh): Don't set name parameter in build_fhandler.
* net.cc (fdsock): Remove set_name call since it is now handled by
build_fhandler.
* sigproc.cc (proc_subproc): Release muto as early as possible.
inheritance/permission.
* spawn.cc (spawn_guts): Ditto.
* security.cc (create_token): Initialize token so that it is not tested for
bogus value later. Use sec_user to control process/thread creation.
* security.h (__sec_user): Rename declaration from sec_user.
(sec_user_nih): Declare here as inline function wrapper for __sec_user.
(sec_user): Ditto.
* sigproc.cc (czombies): Allocate a character array for zombies to avoid
constructor overhead
(extremely hackish, I know).
(cpchildren): Ditto.
(pchildren): New define.
(zombies): Ditto.
(getsem): Use sec_user_nih to control semaphore inheritance/permission.
* uinfo.cc (uinfo_init): Use more robust method for determining if process was
invoked from a non-cygwin process.
* sync.h (muto::init): Eliminate "inheritance" parameter.
(new_muto): Reflect removal of parameter.
* sync.cc (muto::init): Ditto.
* cygheap.cc (cygheap_init): Ditto.
* debug.cc (threadname_init): Ditto.
* exceptions.cc (events_init): Ditto.
* malloc.cc (malloc_init): Ditto.
* path.cc (cwdstuff::init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* grp.cc (group_lock): Use different method for locking with static member.
(read_etc_group): REALLY ensure that read lock mutex is released.
* passwd.cc (passwd_lock): Use different method for locking with static member.
(read_etc_passwd): REALLY ensure that read lock mutex is released.
* shared.cc (sec_user): Correct reversed inheritance test.
* strace.cc (strace::microseconds): Use hires class for calculating times.
* sync.h (new_muto): Use NO_COPY explicitly in declaration.
* times.cc (gettimeofday): Reflect change in usecs argument.
(hires::usecs): Ditto. Changed name from utime.
* winsup.h (NO_COPY): Add nocommon attribute to force setting aside space for
variable.
* regcomp.c (REQUIRE): Add a void cast to bypass a warning.
required to allow use of some things from user loaded DLL.
(CW_STRACE_ON): Add new feature.
(CW_CYGWIN_PID_TO_WINPID): Ditto.
* pinfo.cc (set_myself): Call "strace.hello" to initiate possible strace
session.
(pinfo::init): Guard against dereferencing uninitialized myself.
* sigproc.cc (wait_sig): Call strace.hello() when __SIGTRACE "signal" received.
* strace.cc (strace::hello): New method.
* wincap.cc (wincapc::init): Avoid initializing if already initialized.
* wincap.h (wincapc::wincapc): New method.
* include/sys/cygwin.h: Add new CW_ enums. Kludge typedefs of {g,u}id_t if
required.
* strace.h (strace::hello): Declare new method.
signal came from this process or not.
* sigproc.h: Reflect sig_handle arg change.
* signal.cc (kill_pgrp): Add sigframe info.
(abort): New function. Eliminates newlib function of same name.
* sigproc.cc (wait_sig): Pass "signal from this process" value as arg 2.
(ctrl_c_handler): Attempt to work around potential signal duplication during
process startup.
(sig_handle): Ignore SIGINT when we're just an "exec stub".
* spawn.cc (spawn_guts): Store pid of spawned process in global for use by
ctrl_c_handler.
* dcrt0.cc (dll_crt0_1): Call renamed initialization function.
* winsup.h: Reflect function name change.
* include/sys/ioctl.h: Ditto in declaration.
* dtable.cc (dtable::init_std_file_from_handle): Revert previous
bogus patch.
* window.cc (WndProc): Raise SIGURG instead of SIGIO in case of FD_OOB
message.
(fhandler_socket::set_sun_path): New method.
(fhandler_socket::get_sun_path): Ditto.
* fhandler_socket.cc (fhandler_socket::fhandler_socket): Initialize
sun_path to NULL.
(fhandler_socket::~fhandler_socket): Free sun_path if needed.
(fhandler_socket::set_sun_path): New method.
* net.cc (cygwin_bind): Set sun_path to path of local socket file.
(cygwin_getsockname): Add code to return correct sockaddr for unix
domain sockets.
* Makefile.in: Create library versions of automode.o, textmode.o, and binmode.o
for easier use on command line. Create libpthread.a, libm.a, and libc.a with
subsets of exports found in libcygwin.a.
* dcrt0.cc (_dll_crt0): Check for changes in child_info size.
(multiple_cygwin_problem): Avoid "proc" errors when testing. Just assume new
cygwin proc.
* shared_info.h (mount_info): Add 'cb' element for sanity checks.
(shared_info): Ditto.
* child_info.h (child_info): Add fhandler_union_size element for sanity
checking.
* shared.cc (open_shared): Detect shared region size mismatch between parent
and child.
(shared_info::initialize): Detect shared region size mismatch with expectation.
(memory_Init): Ditto.
* sigproc.cc (init_child_info): Correctly set cb in passed structure.
* shared.cc (open_shared):
* thread.cc (pthread_cond::Signal): Use a separate flag for signal detection
and broadcast semantics.
(__pthread_cond_dowait): Ditto.
* thread.h (pthread_cond): New flag for testing when a waiter has woken.
Force dependencies for files which depend on autogenerated headers to ensure
that they are always built.
* child_info.h (child_info): Add new fields to accommodate new magic number
header stuff.
* dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info
magic numbers are used.
(dll_crt0_1): Temporarily remove _cygwin_testing_magic test.
(_dll_crt0): Do more testing on magic numbers from fork_info structure. Call
"multiple_cygwin_problem" where appropriate.
(multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or
die, as appropriate based on cygwin version/magic number mismatch.
* pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't
exist. This can happen when a fatal error occurs early in process
initialization.
* shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number
header stuff.
(shared_info::initialize): Use new magic number stuff, for shared region.
(memory_init): Ditto, for mount table.
* shared_info.h: Accomodate new magic number stuff for shared region and mount
table.
* sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number
header stuff.
(init_child_info): Initialize new fields in child_info) to accomodate magic
numbers.
* winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem.
* include/cygwin/version.h: Define macros for manipulating version magic.
* cygmagic: New shell script for generating magic numbers.
(NM): new variable.
(OBSOLETE_FUNCTIONS): Ditto.
(NEW_FUNCTIONS): Ditto.
(install-headers): Install regex.h.
(install-man): New target.
(install): Use new target.
(DLL_OFILES): Add v8_reg* stuff.
(new-cygwin1.dll): Eliminate stamp-cygwin-lib creation.
(libcygwin.a): Remove obsolete functions from import lib. Add new functions.
* configure.in: Detect 'nm' tool.
* configure: Regenerate.
* cygwin.din: Export posix_reg* functions. Eliminate export of v8 reg*
functions. This is now handled in object files themselves.
* regex/*: New files.
* regexp/v8_*.c: New files, renamed from non v8_ equivalents.
exist.
(mount_info::conv_to_win32_path): Keep translating when a /cygdrive is found.
Don't attempt to translate to a device name when devn == FH_CYGDRIVE.
(cygwin_conv_to_win32_path): Set buffer to empty on error.
(cygwin_conv_to_full_win32_path): Ditto.
* window.cc: Include unistd.h to verify definitions.
* miscfuncs.cc (tls_ix): Predefine.
* perthread.h (set_reent): Eliminate.
(get_reent): Ditto.
* winbase.h (my_tlsalloc): Use global stack base pointer. Set newly allocated
location to NULL.
(my_tlssetvalue): Use global stack base pointer.
(my_tlsgetvalue): Ditto.
* exceptions.cc (try_to_debug): Spin only as long as we don't have a debugger
attached.
* fhandler.h (fhandler_base::set_nohandle): New method.
(fhandler_base::get_nohandle): New method.
* fhandler.cc (fhandler_base::dup): Avoid duplicating handle if there is no
handle.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set nohandle flag on
dummy fd.
* Makefile.in: Make intermediate library for eventual inclusion in libcygwin.a
* fhandler.h (fhandler_pipe::fhandler_pipe): Remove default argument setting
since it is no longer used.
* miscfuncs.cc (check_null_str): New function.
(+check_null_str_errno): Ditto.
* net.cc: Add defensive buffer checking throughout.
(cygwin_sendto): Protect against invalid fd.
(cygwin_recvfrom): Ditto.
(cygwin_getpeername): Ditto.
(cygwin_recv): Ditto.
(cygwin_send): Ditto.
* winsup.h: Declare a new function.
* select.cc (set_bits): Fix conditional for setting fd in exceptfds.
* dtable.cc (dtable::build_fhandler): Create fhandler_pipe using correct device
type.
* path.cc (get_devn): Set correct pipe device type from device name.
methods for setting src pointer.
* dir.cc (opendir): Only pass path_conv argument to opendir, since name is
already part of the fhandler.
* dtable.cc (dtable::build_fhandler): Accomodate new FH_CYGDRIVE type.
* fhandler.cc (fhandler_base::opendir): Nuke name argument.
* fhandler.h: Add FH_CYGDRIVE to "device" enum.
(fhandler_base::opendir): Nuke name argument.
(fhandler_disk_file::opendir): Ditto.
(fhandler_disk_file::fhandler_disk_file): Declare new method which passes
devtype through.
(fhandler_cygdrive): Add elements for tracking drives.
(fhandler_cygdrive::set_drives): Declare new method.
(fhandler_cygdrive::iscygdrive_root): Declare new method.
(fhandler_cygdrive::opendir): Declare new method.
(fhandler_cygdrive::readdir): Declare new method.
(fhandler_cygdrive::telldir): Declare new method.
(fhandler_cygdrive::seekdir): Declare new method.
(fhandler_cygdrive::rewinddir): Declare new method.
(fhandler_cygdrive::closedir): Declare new method.
(fhandler_cygdrive::fstat): Declare new method.
* fhandler_disk_file.cc (fhandler_disk_file::fhandler_disk_file): Define new
method which passes devtype through.
(fhandler_disk_file::open): Tweak debug output.
(fhandler_disk_file::opendir): Nuke first argument. Use info from path_conv
and class rather than calling fstat.
(fhandler_cygdrive::set_drives): New method.
(fhandler_cygdrive::iscygdrive_root): New method.
(fhandler_cygdrive::opendir): New method.
(fhandler_cygdrive::readdir): New method.
(fhandler_cygdrive::telldir): New method.
(fhandler_cygdrive::seekdir): New method.
(fhandler_cygdrive::rewinddir): New method.
(fhandler_cygdrive::closedir): New method.
(fhandler_cygdrive::fstat): New method.
* path.cc (iscygdrive_device): Assume cygdriveness is already verified.
(path_conv::check): Treat FH_CYGDRIVE "method" as a special case, setting file
attributes as needed.
(mount_info::conv_to_win32_path): Allow stand-alone /cygdrive, meaning "the
directory which contains all of the drives on the system".
(fillout_mntent): Use cyg_tolower for conversions.
(mount_info::cygdrive_win32_path): Replace unused argument with unit number.
* shared_info.h (mount_info::cygdrive_win32_path): Reflect argument change.
* cygheap.h (cygheap_fdnew::operator =): New operator.
* dir.cc: Add invalid struct checking throughout. Use methods for all
directory manipulation throughout.
* fhandler.cc: Move fhandler_disk_file stuff to own file.
(fhandler_base::opendir): New method.
(fhandler_base::readdir): New method.
(fhandler_base::telldir): New method.
(fhandler_base::seekdir): New method.
(fhandler_base::rewinddir): New method.
(fhandler_base::closedir): New method.
* fhandler_disk_file.cc: New file.
* fhandler.h (fhandler_base): Declare new virtual methods.
(fhandler_disk_file): Ditto.
(fhandler_cygdrive): New class.
* path.cc (conv_path_list): Use strccpy to break apart path.
and creation time to last modification time for files on filesystems
not supporting multiple timestamps.
(fhandler_disk_file::fstat_helper): Set access time and creation
time in incoming Windows structure instead of in stat buf to avoid
incorrectly overwriting Epoch timestamp.
and HIDDEN_DOT_FILES is defined.
* fhandler.cc (fhandler_base::open): Ditto.
* path.cc (symlink): Ditto.
* syscalls.cc (_rename): Ditto and remove HIDDEN file attribute if
new filename does not begin with a dot.
(verify_windows): Ditto.
(fhandler_console::select_read): Really do need to verify that there is
something to read.
(fhandler_console::select_windows): Ditto.
(fhandler_tty_slave::ready_for_read): Ditto.
(select_record): Remove poll, initialize peek.
* select.cc: Remove all poll functions, throughout. Change second argument of
peek_* functions to 'bool' throughout. Specifically initialize *_ready
variables throughout.
(select_stuff::poll): Subsume previous poll functionality.
(peek_pipe): Don't grab guard mutex when in select loop. select()/read() is
racy by design so there is no need to worry about a race in select().
(fhandler_base::ready_for_read): Remove unused argument.
(fhandler_tty_slave::ready_for_read): Ditto.
* syscalls.cc (_read): Eliminate third argument in ready_for_read call.
(get_group_sidlist): Call get_supplementary_group_sidlist() to
retrieve list of supplementary groups SIDs from /etc/group and
add them to the user's group list.
device.
* fhandler.h (fhandler_base::set_eof): New virtual method.
(fhandler_pipe::set_eof): New method.
* pipe.cc (fhandler_pipe::fhandler_pipe): Clear saweof flag.
(fhandler_pipe::read): Return immediately if hit eof.
(fhandler_pipe::hit_eof): Return true if saweof flag is set.
* select.cc (peek_pipe): Don't call PeekNamedPipe if we couldn't grab the guard
mutex.
inline" warnings.
* security.h (class cygsid): Ditto.
* sigproc.cc (get_proc_lock): Ditto.
* sigproc.h (class sigframe): Ditto.
* sync.h (class muto): Ditto.
* fhandler.h (fhandler_base::get_guard): Actually MAKE virtual as previously
indicated.
* pipe.cc (make_pipe): Remove extraneous set_errno.
* syscalls.cc (_open): Ditto.
* select.cc (peek_pipe): Need to check that there is still something to read
from the pipe after acquiring the mutex since another process/thread could have
eaten the input before we got to acquiring the lock. (Thanks to Nick Duffek
for this inspiration.)
* select.cc (fhandler_base::ready_for_read): Set read_ready to zero prior to
testing it or it will be uninitialized.
* Makefile.in (CFLAGS): Move setting to Makefile.common.
* select.cc (fhandler_base::ready_for_read): Release an open guard mutex when
exiting with an error condition.
* syscalls.cc (_read): Check frequently for closed fd as a kludge until
something better is invented.
* fhandler.cc (fhandler_base::close): Show both name and handle in debugging
output.
* fhandler.h (fhandler_base::get_guard): New virtual method.
(fhandler_pipe::get_guard): New method.
(fhandler_socket::ready_for_read): Delete declaration.
(fhandler_pipe::ready_for_read): Ditto.
(fhandler_serial::ready_for_read): Ditto.
(fhandler_console::ready_for_read): Ditto.
(fhandler_tty_common::ready_for_read): Ditto.
(fhandler_windows::ready_for_read): Ditto.
(struct select_record::peek): Declare new method.
* select.cc (MAKEready): Delete.
(peek_pipe): Use get_guard method to retrieve potential guard mutex handle.
(fhandler_base::ready_for_read): Rewrite as generic ready-for-read handler.
Should only be called for "slow" devices.
(fhandler_socket::ready_for_read): Delete definition.
(fhandler_pipe::ready_for_read): Ditto.
(fhandler_serial::ready_for_read): Ditto.
(fhandler_console::ready_for_read): Ditto.
(fhandler_tty_common::ready_for_read): Ditto.
(fhandler_windows::ready_for_read): Ditto.
(fhandler_pipe::select_read): Fill in new peek record in select_record
structure.
(fhandler_console::select_read): Ditto.
(fhandler_tty_common::select_read): Ditto.
(fhandler_serial::select_read): Ditto.
(fhandler_socket::select_read): Ditto.
(fhandler_socket::select_read): Ditto.
(fhandler_tty_slave::ready_for_read): Check for tty not open. Set errnos
appropriately.
* syscalls.cc (_read): Allow ready_for_read to set errno.
* pinfo.cc (pinfo::init): Return spawn/NO_WAIT process as valid if it is
initializing.
* sigproc.cc (getsem): Adjust wait for process to initialize downward to avoid
huge waits.
(cygheap_fdmanip::isopen): New method.
* syscalls.cc (_read): Avoid accessing closed fd.
* path.h (fe_types): New enum.
(path_conv::set_path): New method.
(find_exec): Change null_if_not_found argument to something more generic.
* spawn.cc (find_exec): Default to returning the POSIX path rather than the
windows path, unless instructed otherwise.
(spawn_guts): Force call to find_exec to use native paths.
* dlfcn.cc (check_path_access): Accommodate new find_exec arguments.
* environ.h (win_env::get_posix): New method.
class rather than cygheap->fdtab.
* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Add more
debugging output.
(fhandler_socket::dup): Allocate new space for prot_info_ptr for duplicated
entry.
* syscalls.cc (stat_worker): Always delete fh if it has been created.
argument.
* fhandler_serial.cc (fhandler_serial::fhandler_serial): Ditto.
(fhandler_serial::open): Avoid else when previous clause is a return().
* path.cc (get_devn): Alias /dev/ttyS0 -> /dev/com1, etc.
(get_device_number): Reallow standalone "com1" as a valid name for /dev/com1.
* shared.cc (open_shared): Accept a number to denote the shared memory region.
(memory_init): Use shared memory version as part of the object name of the
shared region. Ditto for the mount table.
* path.cc (CYGWIN_REGNAME): New define used in place of
CYGWIN_INFO_CYGWIN_REGISTRY_NAME throughout.
* external.cc (cygwin_internal): Implement CW_[GS]ET_CYGWIN_REGISTRY_NAME.
* cygheap.h (init_cygheap::cygwin_regname): New element.
macro.
(setclexec_pid): Replace old handle with new handle.
* debug.h: Reflect change in arguments for setclexec_pid.
* fhandler.cc (fhandler_base::set_inheritance): Ditto.
(fhandler_base::fork_fixup): Ditto.
* cygerrno.h: Reflect return value change for set_errno.
* syscalls.cc (seteuid): Unset environment variables HOMEDRIVE and
HOMEPATH before calling internal_getlogin().
* uinfo.cc (internal_getlogin): Use default HOMEPATH and HOMEDRIVE
from environment if both are present, else query NetUserGetInfo().
to Linux style.
Patch by Alexander Gottwald <ago@informatik.tu-chemnitz.de>:
* net.cc (get_2k_ifconf): Added support for multiple IP addresses on
one interface.
* resource.cc (fill_rusage): Calculate ru_maxrss and ru_majflt entries.
(Bug report on this from Guido Serassio in the squid project). This requires
including psapi.h.
* syscalls.c (_write): Validate that write buffer is accessible for reading,
not writing.
* winsup.h: Declare new function, increase regparmization of check_* functions.
code since no Win32 device names are used anymore.
* fhandler_tape.cc (fhandler_dev_tape::tape_set_blocksize): Allow
0 as blocksize to indicate variable blocksize.
* path.cc (win32_device_name): Generate NT internal device names
using upper/lower case names for readability.
Generate \DosDevices\<letter>: device name for mount table
compatibility devices.
EOTWarningZoneSize in get->mt_eotwarningzonesize.
* include/cygwin/mtio.h: Define DEFTAPE.
(struct mtget): Add member `mt_eotwarningzonesize'. Add a comment.
* include/cygwin/version.h: Bump API minor version to 47.
* fhandler.h (fhandler_dev_raw::get_unit): New method.
(fhandler_dev_tape::norewind): Eliminate.
(fhandler_dev_tape::is_rewind_device): New method.
* fhandler_raw.cc (fhandler_dev_raw::open): Open new
fixed device name devices using NT internal method.
Keep calling fhandler_base::open() for old mount table
device mapping compatibility devices.
(fhandler_dev_raw::fstat): Eliminate. Settings are done
by fhandler_base::fstat() already.
* fhandler_tape.cc: Remove `norewind' usage throughout.
* ntdll.h: Define FILE_SYNCHRONOUS_IO_NONALERT.
Define struct _IO_STATUS_BLOCK.
Declare NtOpenFile().
* path.cc (get_raw_device_number): Add new approach for
using fixed device names.
(win32_device_name): Ditto.
(get_device_number): Ditto. Require POSIX path to begin
with "/dev/".
(mount_info::conv_to_win32_path): Call win32_device_name()
instead of get_device_number() after evaluating mount points
to allow changing the win32 destination path again.
* security.cc (str2buf2uni): Remove `static' to be able to
call function from fhandler_dev_raw::open().
* wincap.cc: Set flag has_raw_devices appropriately.
* wincap.h: Add flag has_raw_devices.
debugging.
(__set_errno): Declare when DEBUGGING.
* cygheap.h (cygheap_fdget::cygheap_fdget): Add a flag to control when errno is
set.
* debug.cc (__set_errno): New function.
* fcntl.cc (_fcntl): Fix so that correct fd is used for second argument to
dup2.
* syscalls.cc (_cygwin_istext_for_stdio): Don't set errno here when using
cygheap_fdget.
winsock.
* fhandler.cc (fhandler_base::set_inheritance): Make debugging output more
verbose.
* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Force loading of
winsock32 if winsock2 not available.
* net.cc (set_socket_inheritance): Use DuplicateHandle in all cases to set
inheritance correctly.
(fdsock): Use winsock2_active macro to determine when to set socket
inheritance. Remove fdtab resource locking since this function should already
be protected.
(cygwin_accept): Simplify logic. Ensure that fdtab unlock is not called
inappropriately.
(cygwin_rcmd): Use fdtab locking.
(cygwin_rresvport): Ditto.
(cygwin_rexec): Ditto.
* select.cc (peek_socket): Set errno appropriately if winsock select fails.
* winsup.h: Declare check_pty_fds.
* syscalls.cc (check_pty_fds): Rename from check_ttys_fds. Also check pty
master.
(setsid): Use check_pty_fds.
* dtable.cc (dtable::dec_console_fds): Add check on pty fds.
SNDCTL_DSP_GETBLKSIZE operation. Remove obsolete 'name' arg from fhandler_*
constructors throughout.
* winsup.h (winsock_active): New macro.
(winsock2_active): Ditto.
* autoload.cc (wsock_init): Use new macros to decide if winsock or winsock2 is
loaded.
(nonexist_wsock32): Dummy function to force winsock load.
(nonexist_ws2_32): Dummy function to force winsock2 load.
* fhandler.h (fhandler_socket::fstat): Declare new method. Currently unused.
* fhandler_socket.cc (fhandler_socket::fixup_before_fork_exec): Check that
winsock2 is active before trying WSADuplicateSocketA.
(fhandler_socket::fixup_after_fork): Add extra check for winsock2_active.
Otherwise use iffy procedures for Windows 95.
(fhandler_socket::fixup_after_exec): Add debugging.
(fhandler_socket::dup): Add debugging.
(fhandler_socket::fstat): New method.
(fhandler_socket::set_close_on_exec): Attempt to perform iffy stuff on Windows
95.
* errno.cc (_sys_nerr): Work around compiler strangeness.
* pinfo.cc (winpids::add): Add extra element at end of allocated array for
setting to NULL.
(winpids::enumNT): Ditto.
(winpids::init): Don't modify pidlist if it hasn't been allocated
(possibly due to malloc problem).
* child_info.h: Rename PROC_* to _PROC_*. Define PROC_* with additional
testing magic. Eliminate old PROC_FORK and rename PROC_FORK1 to PROC_FORK.
* dcrt0.cc (_cygwin_testing_magic): New variable. Added to magic number in
proc_info.
(alloc_stack): Eliminate old PROC_FORK test.
(dll_crt0_1): Ditto. Use _PROC_* enums for test. Subtract
_cygwin_testing_magic from child_proc_info->type so that normal cygwin programs
invoked by test suite programs do not consider themselves to be in a cygwin
environment.
(_dll_crt0): Ditto. Move environment checks to initial_env function to
conserve on stack space.
(initial_env): New function. Checks for testing and debugging environment
variables.
* init.cc (cygwin_hmodule): Move declaration.
* winsup.h: Declare variables used for cygwin testing.
as non-inheritable for debugging purposes in case there is a subsequent fork or
exec.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Allow fork_fixup to
call ProtecHandle.
* fhandler.h: Change read and fstat to regparm/stdcall throughout.
(fhandler_base::fstat): Just declare. Don't define.
(fhandler_disk_file::fstat_helper): Declare.
* fhandler.cc (fhandler_base::fstat): Move here from fhandler.h, adapt from
former stat_dev().
(fhandler_disk_file::fstat): Move most of the disk-file-specific logic from
stat_worker to here. Use fstat_helper to derive final fstat output.
(fhandler_disk_file::fstat_helper): New method, renamed from former fstat
method.
(num_entries): Moved here from syscalls.cc.
* fhandler_mem.cc (fhandler_dev_mem::fstat): Use base class to initialize most
stuff. Invert has_physical_mem_access test for establishing permissions.
* fhandler_raw.cc (fhandler_dev_raw::fstat): Eliminate unneed test and memory
clearing. Use base class to initialize most stuff.
* syscalls.cc (stat_dev): Eliminate.
(stat_worker): Simply call fstat method to generate fstat output. Move all
device specific code to appropriate fstats.
* dir.cc (opendir): Pass correct arg to stat_worker to allow following
symlinks.
passing information back to caller.
* winsup.h: Declare stat_worker.
* dir.cc (opendir): Use stat_worker rather than stat and pass path_conv
parameter to stat_worker for later inspection.
* syslog.cc (syslog): Teach syslog about syslog priorities other than LOG_ERR,
LOG_WARNING and LOG_INFO
* path.cc (path_conv::check): Don't perform file system or rootdir checks on
devices.
* fork.cc (vfork): Add debugging statements.
* path.cc (get_device_number): Make static. Rewrite to inspect both unix and
windows paths.
(get_raw_device_number): Just check for parts of raw device that we care about.
(get_devn): New function, pulled from get_device_number.
(win32_device_name): Accomodate arg changes to get_device_number.
(mount_info::get_device_number): Call get_device_number on translated Windows
path.
* spawn.cc (spawn_guts): Don't treat P_VFORK differently from P_NOWAIT. Add
handle to child's shared region to child so that it will be preserved if the
parent goes away.
* fhandler.h: Throughout, simplify to one open method for all fhandler classes,
requiring a path_conv first element.
* fhandler.cc (fhandler_base::open): Remove obsolete method. Generalize to
require path_conv * as first argument.
(fhandler_disk_file::open): Remove obsolete method.
(fhandler_disk_file::open): Use path_conv pointer rather than reference.
* fhandler_clipboard.cc (fhandler_dev_clipboard::dup): Use new open method.
(fhandler_dev_clipboard::open): Accomodate new argument for open methods.
* fhandler_console.cc (fhandler_console::open): Ditto.
(fhandler_console::dup): Use new open method.
(fhandler_console::fixup_after_fork): Ditto.
(fhandler_console::fixup_after_exec): Ditto.
* fhandler_dsp.cc (fhandler_dev_dsp::open): Accomodate new argument for open
methods.
* fhandler_floppy.cc (fhandler_dev_floppy::open): Ditto.
* fhandler_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_random (fhandler_dev_random::open): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tape.cc (fhandler_dev_tape::open): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
(fhandler_pty_master::open): Ditto.
* fhandler_windows.cc (fhandler_windows::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Accomodate new
argument for open methods.
* syscalls.cc (_open): Ditto.
(stat_worker): Ditto.
* dlmalloc.c (errprint): Remove abort() call which causes interesting error
message printing to abort prematurely.
* environ.cc: Sprinkle MALLOC_CHECKs liberally throughout.
(_addenv): Allocate two empty elements at end of environ to
(apparently) work around problems with some buggy applications.
(winenv): Avoid calling alloca if no forced environment variable is present.
* exceptions.cc (open_stackdumpfile): Don't print "Dumping stack trace to..."
when running in a cygwin environment (i.e., the parent is a cygwin process).
* dtable.cc (dtable::init_std_file_from_handle): Move device type detection
code from build_fhandler here since it is only used by this function.
(dtable::build_fhandler_from_name): New method. Renamed from
dtable::build_fhandler.
(dtable::build_fhandler): Use build_fhandler_from_name.
(cygwin_attach_handle_to_fd): Ditto.
* syscalls.cc (_open): Ditto.
(stat_worker): Ditto.
* dtable.h (dtable::build_fhandler_from_name): Rename declaration from
dtable::build_fhandler.
(dtable::init_std_file_from_handle): Eliminate name parameter.
* dtable.cc (stdio_init): Don't pass bogus name to init_std_file_from_handle.
The function will figure out the name itself.
(dtable::init_std_file_from_handle): Eliminate name parameter. Assume that
we're always called with an appropriate fd. Pass name as NULL if we can't
simply figure it out from context.
(cygwin_attach_handle_to_fd): Pass path_conv argument to build_fhandler.
(dtable::build_fhandler): Make path_conv argument mandatory. Eliminate
specific call to get_device_number. With unknown device names, set name from
handle context for parsing by path_conv.
(dtable::build_fhandler): Pass path_conv argument to build_fhandler.
* path.h (path_conv::set_isdisk): Set disk device type.
(path_conv::is_device): Don't consider FH_DISK a "device".
* syscalls.cc (_open): Pass path_conv argument by reference.
(stat_worker): Ditto.
(_rename): Use path_conv operators. Add bounds to DeleteFile/MoveFile for
loop.
operators to simplify testing for directory and attributes, throughout.
* path.h (path_conv::exists): New method.
(path_conv::has_attribute): Ditto.
(path_conv::isdir): Ditto.
(path_conv::DWORD &): New operator.
(path_conv::int &): Ditto.
* dir.cc (rmdir): Eliminate a goto.
* dtable.cc (dtable::build_fhandler): Accept opt and suffix info for
path_conv.check. Return fh == NULL on path_conv error. Pass unit to set_name
as appropriate.
(dtable::reset_unix_path_name): New method.
* dtable.h (dtable): Declare new method. Reflect arg changes to
build_fhandler.
* fhandler.cc (fhandler_disk_dummy_name): Eliminate.
(fhandler_base::set_name): Expect paths to be NULL. Build unix_path_name from
win32_path_name when it is a device.
(fhandler_base::reset_unix_path_name): New method.
(fhandler_base::raw_read): Report EISDIR when ERROR_INVALID_FUNCTION or
ERROR_INVALID_PARAMETER and reading a directory.
(fhandler_disk_file::fstat): Don't call stat_dev since we should now never be
calling fhandler_disk_file methods with devices.
(fhandler_base::fhandler_base): Clear {unix,win32}_path_name.
(fhandler_base::~fhandler_base): Always free {unix,win32}_path_name.
(fhandler_disk_file::fhandler_disk_file): Remove set_no_free_names kludge.
(fhandler_disk_file::open): Ditto.
* fhandler.h (fhandler_base::no_free_names): Eliminate.
(fhandler_base::set_no_free_names): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Don't set
unix_path_name here.
* path.cc (fchdir): Lock fd table throughout. Use new
dtable::reset_unix_path_name method to reset path.
* syscalls.cc (stat_worker): Reorganize to always call fstat method. Pass
path_conv method to fhandler_*::open.
(chroot): Elminate a goto.
Remove useless comment. Explain copy-on-write problem of 9x
more detailed. Don't set access to FILE_MAP_COPY on 9x only
when anonymous mapping is requested.
(fhandler_disk_file::mmap): Remove useless device check.
Add debug output.
(writepipe_exists): New class element.
(orig_pid): Ditto.
(id): Ditto.
(is_slow): Eliminate.
* pipe.cc (fhandler_pipe::set_close_on_exec): Set inheritance on
writepipe_exists, if it exists.
(fhandler_pipe::hit_eof): New method, modelled after tty.
(fhandler_pipe::dup): Duplicate writepipe_exists, if it exists.
(make_pipe): Set up a dummy event for pipes on windows 9x. The nonexistence
of this event means that the write side of the pipe has closed.
(_dup): Move to syscalls.cc
(_dup2): Ditto.
* dtable.cc (dtable::build_fhandler): Fill out set_names here, if appropriate.
* syscalls.cc (_open): Call set_names in build_fhandler.
If available, use this to calculate path name and device number.
* dtable.h (dtable): Reflect above change.
* fhandler.h (fhandler_base): Declare virtual method which accepts path_conv
rather than path string as first argument.
* fhandler.cc (fhandler_base::open): Define above new method.
* syscalls.cc (_open): Set aside a path_conv variable for use in build_fhandler
and subsequent call to open.
interrupted.
* fhandler.cc: Move pipe methods to pipe.cc.
* fhandler.h (fhandler_pipe): Add new methods.
* fork.cc (sync_with_parent): Make error messages more informative.
* pipe.cc (fhandler_pipe::fhandler_pipe): Move here from fhandler.cc.
(fhandler_pipe::lseek): Ditto.
(fhandler_pipe::set_close_on_exec): New method.
(fhandler_pipe::read): Ditto.
(fhandler_pipe::close): Ditto.
(fhandler_pipe::dup): Ditto.
(make_pipe): Create the guard mutex on the read side of the pipe.
* select.cc (peek_pipe): Use guard_mutex to discover if we have the right to
read on this pipe.
(fhandler_pipe::readh_for_read): Pass the read pipe guard mutex to peek_pipe.
* syscalls.cc (_read): Always detect signal catchers, for now.
* debug.cc (makethread): Eliminate hack to make thread inheritable.
* sigproc.cc (subproc_init): Don't use hack to make thread inheritable.
implementation.
(fhandler_dev_raw::fixup_after_exec): Ditto.
* fhandler_raw.cc (fhandler_dev_raw::fixup_after_fork): Don't
duplicate buffer on fork to avoid memory leak.
(fhandler_dev_raw::fixup_after_exec): New implementation equal to
former fixup_after_fork() implementation.
* fhandler_socket.cc (fhandler_socket::fixup_after_fork): Do
nothing when not using Winsock2.
(fhandler_socket::fixup_after_exec): New implementation.
(fhandler_socket::set_close_on_exec): Never call set_inheritance().
use SetHandleInformation() to set inheritance.
* wincap.cc: Set flag has_set_handle_information_on_console_handles
appropriately.
* wincap.h: Add flag has_set_handle_information_on_console_handles.
queried in waitsig later.
* sigproc.cc (wait_sig): Don't deliver a signal if in a vfork.
* fork.cc (vfork): Deliver all signals on parent return from vfork.
(cygheap_setup_for_child): Accept new argument controlling whether to delay
copying of cygheap to shared memory region.
(cygheap_setup_for_child_cleanup): Accept new arguments controlling whether to
copy cygheap at this point.
* cygheap.h: Reflect above changes.
* fork.cc (fork_parent): Break copying of cygheap into two parts when
fork_fixup is required so that the child can see the parent's changes.
(vfork): Do stack cleanup prior to forcing a fork error.
* spawn.cc (spawn_guts): Ditto.
* autoload.cc (LoadDLLfuncEx): Auto load TryEnterCriticalSection - its a
n NT only call.
* thread.cc (pthread_cond::TimedWait): Use critical sections for NT.
(pthread_cond::fixup_after_fork): Don't detect bad apps.
(pthread_mutex::pthread_mutex): Use critical sections for NT.
(pthread_mutex::~pthread_mutex): Ditto.
(pthread_mutex::Lock): Ditto.
(pthread_mutex::TryLock): Ditto.
(pthread_mutex::UnLock): Ditto.
(pthread_mutex::fixup_after_fork): Ditto. Also do not detect bad apps.
(__pthread_mutex_trylock): Move WIN32 specific test into the class metho
d.
(__pthread_mutex_destroy): Prevent dereferencing passed pointer without
valid address.
* thread.h (pthread_mutex): Use critical sections for NT.
* dcrt0.cc (cygwin_finished_initializing): Copy _mtinterf on fork;
* fork.cc (fork_child): fixup thread-related structures after fork;
* thread.cc (MTinterface::Init): Initialise the new mutex, condition and semaphore lists.
(MTinterface::fixup_after_fork): Iterate through each list and fixup the objects.
(pthread_cond::pthread_cond): Add this to the condition list.
(pthread_cond::~pthread_cond): Remove this from the condition list.
(pthread_cond::fixup_after_fork): Recreate as best we can the pre-fork state.
(pthread_mutex::pthread_mutex): Add this to the mutex list.
(pthread_mutex::~pthread_mutex): Remove this from the mutex list.
(pthread_mutex::fixup_after_fork): Recreate as best we can the pre-fork state.
(semaphore::semaphore): Store the initial value, and add this to the semaphore list.
(semaphore::~semaphore): Remove this from the semaphore list.
(semaphore::Post): Increment the current semaphore value.
(semaphore::TryWait): Decrement the current semaphore value.
(semaphore::Wait): Ditto.
(semaphote::fixup_after_fork): Recreate the pre-fork state as best we can.
* thread.h (pthread_mutex): New members to allow fixup_after_fork.
(pthread_cond): Ditto.
(semaphore): Ditto.
(MTinterface): New list heads for tracking conds and semaphores.
forced to start at the same place in execed process.
* heap.cc: Remove brk* macros for clarity throughout.
* heap.h: Ditto.
* shared.cc (shared_info::initialize): Move heap_chunk test into
heap_chunk_size().
(heap_chunk_size): Check for chunk size here. Don't go to registry if
heap_chunk_in_mb is already set.
* smallprint.c (console_printf): Add Windows 95 concessions.
a change in /etc.
* cygheap.h (struct init_cygheap): Add member `etc_changed_h'
and method `etc_changed'.
* grp.cc (enum grp_state): Eliminate.
(class grp_check): Ditto.
(group_state): Define as `class pwdgrp_check'.
(parse_grp): Remeber path and modification time of /etc/group file.
* passwd.cc (enum_pwd_state): Eliminate.
(class pwd_check): Ditto.
(passwd_state): Define as `class pwdgrp_check'.
(read_etc_passwd): Remember path and modification time of /etc/passwd
file.
* pwdgrp.h: New file.
(enum pwdgrp_state): Substitutes `pwd_state' and `grp_state'.
(class pwdgrp_check): Substitutes `pwd_check' and `grp_check'.
candidate for deletion. It is actually the end of a linked list chain.
* exceptions.cc (open_stackdumpfile): Default to "unknown" program name if
myself->progname hasn't been filled out yet.
* fhandler_console.cc (fhandler_console::char_command): Save the cursor
position relative to the top of the window.
* fhandler_cc (fhandler_console::write): Ditto.
* dir.cc (dirfd): New function.
(opendir): Open a directory file descriptor and save it in
__d_dirent->d_fd.
(closedir): Close directory file descriptor.
* include/cygwin/version.h: Bump API minor version to 44.
* dcrt0.cc (_cygwin_testing): Define.
(_dll_crt0): Set _cygwin_testing if CYGWIN_TESTING environment variable exists.
Don't issue "conflicting versions" error if _cygwin_testing is true.
* shared.cc (shared_name): Use _cygwin_testing global rather than testing the
environment.
* syscalls.cc (_write): Remove debugging info.
(setclexec_pid): New function for marking saved handle as close-on-exec.
(delete_handle): New function.
(debug_fixup_after_fork): New function.
* debug.h: Declare new functions, remove obsolete ones.
* fork.cc (debug_fixup_after_fork): Call to cleanup close-on-exec handles.
* fhandler.cc (fhandler_disk_file::close): Minor reorg.
(fhandler_base::set_inheritance): Set flag appropriately for debugging when
close-on-exec so forked process can delete closed handles.
* tty.h (open_output_mutex): Eliminate unneeded argument.
(open_input_mutex): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): reflect open_*_mutex argument
changes.
* fhandler.h (fhandler_socket): Make saw_shutdown_* functions type bool.
* tty.cc (tty::get_event): Eliminate unneeded argument.
(tty::common_init): Reflect change to get_event. Events should always be
inherited.
* Makefile.in: Use linker script to control location of cygheap.
* cygheap.cc (buckets): Make static.
(init_cheap): Remove special iswinnt handling. Allocate cygheap at a fixed
location. Display more info when allocation fails.
(cygheap_fixup_in_child): Try harder to move cygheap to correct location.
Display more info when allocation fails.
* fhandler.h (fhandler_socket): Add macros for tracking socket shutdown state.
* net.cc (cygwin_shutdown): Set appropriate shutdown value for future use.
* select.cc (select_stuff::cleanup): New method.
(cygwin_select): Call cleanup explicitly to avoid a race.
(select_stuff:~select_stuff): Call cleanup chain via cleanup method.
(fhandler_socket::select_read): Set *_ready when shutdown has been called on
the socket.
(fhandler_socket::select_write): Ditto.
(fhandler_socket::select_except): Ditto.
* winsup.h: Move NO_COPY to "COMMON" section.
* autoload.cc (wsock_started): Avoid initializing NO_COPY value.
* sigproc.cc: Remove initialization from NO_COPY variables.
(sigproc_init): Initialize sig_loop_wait here, rather than via initialization.
(subproc_init): Initialize proc_loop_wait here, rather than via initialization.
(free_hostent_ptr): Use free_addr_list to free h_addr_list element.
(dup_addr_list): New static function.
(dup_hostent_ptr): Use dup_addr_list instead of dup_char_list in order
to handle embedded null characters.
* syscalls.cc: Minor code cleanup.
(fpathconf): Check for bad fd before doing anything else.
* termios.cc (tcsetattr): Don't convert to new termios if bad fd.
(tcgetattr): Minor debugging tweak.
security of secret_event so AF_UNIX socket clients can connect to
servers even if running under a different user account.
(fhandler_socket::check_peer_secret_event): Ditto.
on RLIMIT_NOFILE.
* syscalls.cc (getdtablesize): Return OPEN_MAX if current dtable size
is less than OPEN_MAX, the current dtable size otherwise.
* sysconf.cc (sysconf): Return getdtablesize () on _SC_OPEN_MAX.
a failure.
* times.cc (utimes): On NTFS with ntsec ON, change the file's
security descriptor temporarily to acquire write access if
opening the file failed.
* fhandler.h: Move definitions of O_NOSYMLINK, O_DIROPEN and
OLD_O_NDELAY from winsup.h to here. Add O_NONBLOCK_MASK define.
* fhandler_socket.cc (fhandler_socket::close): Add hack to allow
a graceful shutdown even if shutdown() hasn't been called by the
application. Add debug output.
(fhandler_socket::ioctl): Set fhandler's NONBLOCK flag according
to FIONBIO setting.
(fhandler_socket::fcntl): Use new O_NONBLOCK_MASK define. Actually
set `request' before using it.
* fhandler_tty.cc: Use new O_NONBLOCK_MASK define throughout.
(fhandler_tty_slave::ioctl): Set fhandler's NONBLOCK flag according
to FIONBIO setting.
(fhandler_pty_master::ioctl): Ditto.
* net.cc (wsock_event::prepare): Compare WSACreateEvent return code
with `WSA_INVALID_EVENT' according to MSDN.
* syscalls.cc (_read): Use new O_NONBLOCK_MASK define.
a member of class grp_check.
(read_etc_group): Free former allocated memory on reread.
* passwd.cc (class pwd_check): New class Make `passwd_state'
a member of class pwd_check.
(read_etc_passwd): Free former allocated memory on reread.
* fhandler.cc (fhandler_base::fcntl): Only set specific O_NDELAY style flag
passed in from application.
* fhandler_socket.cc (fhandler_socket::fcntl): Ditto.
* fhandler.h: Set constant for future use.
* winsup.h: Define OLD_O_NDELAY only for old programs.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_OLD_O_NONBLOCK.
* dcrt0.cc (set_os_type): Set 'iswinnt' appropriately.
* cygheap.cc (init_cheap): Revert to using VirtualAlloc for allocating cygheap.
(cygheap_setup_for_child_cleanup): New function. Standard function to call
after calling CreateProcess to cleanup cygheap info passed to child.
(cygheap_fixup_in_child): Copy cygheap from shared memory into allocated space
under Windows 9x or if can't relocate shared space under NT.
* cygheap.h: Declare new function.
* spawn.cc (spawn_guts): Use cygheap_fixup_in_child.
* fork.cc (fork_parent): Ditto.
* winsup.h: Declare iswinnt.
fhandler.h.
* fhandler.h (fhandler_base::get_inheritance): New method.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Use proper
close-on-exec inheritance when creating.
(fhandler_socket::check_peer_secret_event): Create handle as non-inheritable.
controlling tty is the console and already closed.
* dtable.h (class dtable): Add members to count descriptors referring to the
console.
* dtable.cc (dtable::dec_console_fds): New function to detach process from its
console.
(dtable::release): Decrement the counter of console descriptors.
(dtable::build_fhandler): Increment it.
* exception.cc (ctrl_c_handler): Send SIGTERM to myself when catch
CTRL_SHUTDOWN_EVENT.
* thread.cc (verifyable_object_isvalid): Don't validate
PTHREAD_MUTEX_INITIALIZER pointer as it will cause an exception
in IsBadWritePtr() when running GDB.
* dtable.cc (dtable::dup_worker): Add debugging output.
(dtable::vfork_child_dup): Correctly set close_on_exec.
* fhandler.cc (fhandler_base::fork_fixup): Don't mess with handle if there is
no need to get it from the parent.
* fhandler_tty.cc (fhandler_tty_common::close): Add debugging output.
* dcrt0.cc (dll_crt0_1): Move uid initialization earlier.
* fork.cc (fork_parent): Move cygheap_setup_in_child to just prior to
CreateProcess so that all contents of cygheap are copied.
* spawn.cc (spawn_guts): Ditto.
(class child_info): Add an element.
* cygheap.cc (init_cheap): Allocate cygwin heap in shared memory area.
(cygheap_fixup_in_child): Map cygwin heap, passed from parent via shared memory
into correct address.
(cygheap_setup_for_child): New function.
* cygheap.h: Declare new functions.
* dcrt0.cc (dll_crt0_1): Accomodate new cygheap_fixup_in_child arguments.
Avoid protecting subproc_ready unless it is spawn/nowait.
* fork.cc (fork_parent): Use new cygheap_setup_for_child function to setup
cygwin heap info. Close passed cygheap shared memory handle.
* spawn.cc (spawn_guts): Ditto. Also, reorganize to avoid synchronization
between parent and child in non-P_OVERLAY case.
* sigproc.cc (wait_sig): Only signal subproc_ready when execing.
* sec_acl.cc (setacl): Never set DELETE permission. Set
FILE_DELETE_CHILD only on readable and executable directories.
* sec_helper.cc: Add constructor for `well_known_null_sid'.
* security.cc (get_nt_attribute): Set S_ISVTX for directories if
FILE_WRITE_DATA and FILE_EXECUTE but not FILE_DELETE_CHILD is set.
Add evaluation of S_ISVTX, S_ISGID and S_ISUID from NULL ACE.
(alloc_sd): Never set DELETE permission. Set FILE_DELETE_CHILD
only on readable and executable directories.
Add creation of NULL ACE for S_ISVTX, S_ISGID and S_ISUID permissions.
* security.h: Add extern declaration for `well_known_null_sid'.
* path.cc (path_conv::check): Add signal protection here since retrieving info
about remote shares can take some time.
* path.h (check_null_empty_str_errno): Convert to a function prototype.
* path.cc (check_null_empty_str): Move to miscfuncs.cc.
* miscfuncs.cc (check_null_empty_str_errno): New function.
(__check_null_invalid_struct): Ditto.
(__check_null_invalid_struct_errno): Ditto.
(check_null_empty_str): Change from VirtualQuery to IsBadWritePtr.
* thread.cc (check_valid_pointer): Ditto.
* resource.cc (getrlimit): Use check_null_invalid_struct macro for checking
validity of pointer.
(setrlimit): Ditto.
being read for executable test since we could be checking for less than that.
* syscalls.cc (stat_worker): Try opening the file the "correct" way first so
that #! processing can potentially happen. If that fails, then use "query
open" method.
* spawn.cc (spawn_guts): Delay processing of signal until after we've notified
parent about reparenting.
* thread.cc (pthread_cond::TimedWait): Check for WAIT_TIMEOUT as well as
WAIT_ABANDONED.
(__pthread_cond_timedwait): Calculate a relative wait from the abstime
parameter.
(setup_handler): Move actions after a successful interrupt to interrupt_setup.
* fork.cc (vfork): Augment debugging output.
* sigproc.cc (proc_subproc): Ditto.
* spawn.cc (spawn_guts): Ditto. Correctly fill out progname when spawn
NO_WAIT. Call signal handler when a signal arrives.
* sigproc.h: Declare a function.
* thread.cc (__pthread_cond_timedwait): Lock the waiting mutex before
the condition protect mutex to avoid deadlocking. (Found by Greg Smith).
(__pthread_cond_wait): Ditto.
function.
* fhandler.h: Declare it.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Don't
signal secret event immediately.
(fhandler_socket::check_peer_secret_event): Do it after peer event
was opened.
* net.cc (cygwin_connect): Or if socket is non-blocking.
(cygwin_accept): Ditto.
* fork.cc (fork_copy): Print more debugging info.
(fork_parent): Change order of arguments to accomdate buggy gcc.
(fork): Ditto.
* syscalls.cc (_unlink): Reorganize to try harder to delete file with
DeleteFile and to recover more gracefully if FILE_FLAG_DELETE_ON_CLOSE doesn't
work properly.
stopping.
* fhandler_console.cc (fhandler_console::fixup_after_fork): Don't set
controlling terminal if just inheriting a handle.
(fhandler_console::fixup_after_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::init): Ditto.
* signal.cc (kill_worker): Set appropriate errno if proc_exists determines that
process does not really exist.
to 0, when requested.
* fhandler.h: New status flag FH_QUERYOPEN.
(fhandler::get_query_open): New function.
(fhandler::set_query_open): Ditto.
* syscalls.cc (stat_worker): Request query-only open mode.
of file APIs mode (OEM/ANSI) here.
(codepage_init): From here.
* winsup.h (set_file_api_mode): Declare it.
* fork.cc (fork_child): Set file APIs mode in forkee.
* path.cc (chdir): Guard against invalid parameter.
(fchdir): New function.
* include/cygwin/version.h: Bump API minor version to 40.
* uinfo.cc (internal_getlogin): Remove unused variable.
USERDOMAIN before impersonation to workaround a LookupAccountSid()
misbehaviour.
* uinfo.cc (internal_getlogin): Revert most of the previous change.
Don't set environment variables USERNAME and USERDOMAIN. That's
the job of seteuid() now. Try to get logon server from Lsa
only if logon server isn't already known.
mutexs - user programs are allowed to call pthread_cond_broadcast like that.
(__pthread_cond_timedwait): Initialise themutex properly.
(__pthread_cond_wait): Initialise themutex properly.
* ntea.cc (NTReadEA): Don't check for global ntea setting, now
it's caller responsibility.
(NTWriteEA): Ditto.
* security.cc (get_file_attribute): Read attribute from EA only
if 'ntea' is enabled.
(set_file_attribute): Ditto.
* path.h: (class path_conv): Add members to store file system
information.
(path_conv::get_drive_type): New function.
* syscalls.cc (stat_worker): Use it.
* path.cc (path_conv::update_fs_info): New functions.
(path_conv::check): Get file system information from device where
file resides. On NTFS, try to read symlink contents from EA.
(get_symlink_ea): New function.
(set_symlink_ea): Ditto.
(symlink): Store symlink in extended attribute, if possible.
(cygheap_root::~cygheap_root): Remove destructor.
(cygheap_root::operator =): Remove.
(cygheap_root::set): New method.
* cygheap.h (cygheap_root): Reflect above changes. Store root info in
mount-like structure.
(cygheap_root:posix_ok): New method.
(cygheap_root::ischroot_native): Ditto.
(cygheap_root::unchroot): Ditto.
(cygheap_root::exists): Ditto.
(cygheap_root::posix_length): Ditto.
(cygheap_root::posix_path): Ditto.
(cygheap_root::native_length): Ditto.
(cygheap_root::native_path): Ditto.
* dir.cc (opendir): Remove special chroot test.
* path.cc (path_prefix_p): Remove front end.
(normalize_posix_path): Reorganize chroot tests to accomodate new convention of
allowing paths using posix chroot prefix.
(path_conv::check): Pass a "already ran normalize" option to
conv_to_win32_path. Return if there is an error from this function.
(mount_info::conv_to_win32_path): Add extra argument. Don't call
normalize_posix_path if caller has already done so. Substitute chroot setting,
if any, for root translation. Add chroot checking to final output step.
* shared_info (mount_info): Accomodate additional argument to
conv_to_win32_path.
* syscalls.cc (chroot): Store both normalized posix path and native path in
chroot.
doesn't deal well with "negative" chars.
* fhandler.cc (fhandler_disk_file::open): Propagate remote status of file
garnered from path_conv. Move #! checking to fstat.
(fhandler_disk_file::fstat): Reorganize st_mode setting to eliminate
duplication. Move check for #! here from fhandler::open.
* fhandler.h (fhandler_base::isremote): New method.
(fhandler_base::set_isremote): Ditto.
(fhandler_base::set_execable_p): Also record "don't care if executable state".
(fhandler_base::dont_care_if_execable): New method.
* path.cc (path_conv::check): Clear new flags. Appropriately set vol_flags,
drive_type, and is_remote_drive.
* path.h: Add new flags and methods for manipulating them.
* syscalls.cc (_unlink): Use isremote() to determine if a path is remote rather
than calling GetDriveType.
(stat_worker): Ditto.
* security.cc (get_file_attribute): Or attribute with result of NTReadEA to be
consistent with get_nt_attribute.
(cygsid::getfromgr): Ditto.
* security.cc: Use `sys_mbstowcs' and `sys_wcstombs' throughout.
(extract_nt_dom_user): Try to get user and domain from SID in
pw->pw_gecos first.
* security.h (class cygsid): Change parameter of getfrompw() and
getfromgr() to `const'.
* uinfo.cc (internal_getlogin): Change order for evaluating user
information in winNT case. Drop usage of NetWkstaUserGetInfo().
`LsaClose', `LsaEnumerateAccountRights', `LsaFreeMemory',
`LsaOpenPolicy', `LsaQueryInformationPolicy', `NetLocalGroupEnum',
`NetLocalGroupGetMembers', `NetServerEnum', `NetUserGetGroups' and
`NtCreateToken'.
* ntdll.h: Add declaration for `NtCreateToken'.
* sec_helper.cc: Add `well_known_local_sid', `well_known_dialup_sid',
`well_known_network_sid', `well_known_batch_sid',
`well_known_interactive_sid', `well_known_service_sid' and
`well_known_authenticated_users_sid'.
(cygsid::string): Define as const method.
(cygsid::get_sid): Set psid to NO_SID on error.
(cygsid::getfromstr): Ditto.
(cygsid::getfrompw): Simplify.
(cygsid::getfromgr): Check for gr == NULL.
(legal_sid_type): Move to security.h.
(set_process_privilege): Return -1 on error, otherwise 0 or 1 related
to previous privilege setting.
* security.cc (extract_nt_dom_user): Remove `static'.
(lsa2wchar): New function.
(open_local_policy): Ditto.
(close_local_policy): Ditto.
(get_lsa_srv_inf): Ditto.
(get_logon_server): Ditto.
(get_logon_server_and_user_domain): Ditto.
(get_user_groups): Ditto.
(is_group_member): Ditto.
(get_user_local_groups): Ditto.
(sid_in_token_groups): Ditto.
(get_user_primary_group): Ditto.
(get_group_sidlist): Ditto.
(get_system_priv_list): Ditto.
(get_priv_list): Ditto.
(get_dacl): Ditto.
(create_token): Ditto.
(subauth): Return immediately if SE_TCB_NAME can't be assigned.
Change all return statements in case of error to jumps to `out'
label. Add `out' label to support cleanup.
* security.h: Add extern declarations for `well_known_local_sid',
`well_known_dialup_sid', `well_known_network_sid',
`well_known_batch_sid', `well_known_interactive_sid',
`well_known_service_sid' and `well_known_authenticated_users_sid'.
Add extern declarations for functions `create_token',
`extract_nt_dom_user' and `get_logon_server_and_user_domain'.
(class cygsid): Add method `assign'. Change operator= to call new
`assign' method. Add `debug_print' method.
(class cygsidlist): New class.
(legal_sid_type): Moved from sec_helper.cc to here.
* spawn.cc (spawn_guts) Revert reversion of previous patch.
Call `RevertToSelf' and `ImpersonateLoggedOnUser' instead of `seteuid'
again.
* syscalls.cc (seteuid): Rearranged. Call `create_token' now when
needed. Call `subauth' if `create_token' fails. Try setting token
owner and primary group only if token was not explicitely created
by `create_token'.
* uinfo.cc (internal_getlogin): Try harder to generate correct user
information. Especially don't trust return value of `GetUserName'.
* autoload.cc: Pull in autoload.h. Eliminate many macros. Rewrite to avoid
necessity of initialization routines. Just use a standard one.
(wsock_init): New function. Moved from net.cc.
* net.cc (wsock_init): Move to autoload.cc.
(wsadata): Make global.
* dtable.cc (dtable::build_fhandler): Use more reliable method for checking if
net stuff has been loaded.
* security.h: New define `NO_SID'. Remove declarations of functions
moved to methods into class cygsid.
(class cygsid): Declare new methods `getfromstr', `get_sid',
`getfrompw', `getfromgr', `get_rid', `get_uid', `get_gid', `string'
and new constructors and operators =, == and !=.
Declare new global cygsids `well_known_XXX_sid' substituting the
corresponding `get_XXX_sid' functions. Remove declarations of
these functions.
* sec_helper.cc (well_known_admin_sid): New global variable.
(well_known_system_sid): Ditto
(well_known_creator_owner_sid): Ditto
(well_known_world_sid): Ditto
(cygsid::string): New method, substituting `convert_sid_to_string_sid'.
(cygsid::get_sid): New method, substituting `get_sid'.
(cygsid::getfromstr): New method, substituting
`convert_string_sid_to_sid'.
(cygsid::getfrompw): New method, substituting `get_pw_sid'.
(cygsid::getfromgr): New method, substituting `get_gr_sid'.
(cygsid::get_id): New method, substituting `get_id_from_sid'.
(get_admin_sid): Eliminated.
(get_system_sid): Ditto.
(get_creator_owner_sid): Ditto.
(get_world_sid): Ditto.
* grp.cc: Use new cygsid methods and well known sids throughout.
* registry.cc: Ditto.
* sec_acl.cc: Ditto.
* security.cc: Ditto.
* shared.cc: Ditto.
* syscalls.cc (seteuid): Ditto. Eliminate redundant conditional.
* uinfo.cc (internal_getlogin): Ditto.
* spawn.cc (spawn_guts) Revert previous patch.
`WSACloseEvent', `WSACreateEvent', `WSAGetOverlappedResult',
`WSARecv', `WSARecvFrom', `WSASend', `WSASendTo' and `WSASetEvent',
`WSAWaitForMultipleEvents'.
* net.cc: Define wsock_evt.
(wsock_event): New class.
(cygwin_sendto): Use overlapped socket io if available.
(cygwin_recvfrom): Ditto.
(cygwin_recv): Ditto.
(cygwin_send): Ditto.
* security.cc (subauth): Set Win32 error to 0 to safely ask for the
error code of dynamically loaded function `LsaRegisterLogonProcess'.
* fhandler_termios.cc (fhandler_termios::echo_erase): New method for echoing
erase characters.
(fhandler_termios::line_edit): Check the echo flag before echoing control
characters (from Kazuhiro Fujieda <fujieda@jaist.ac.jp>).
(_crealloc): Ditto.
* dcrt0.cc (dll_crt0_1): Default to always checking for executable for now.
* dtable.cc (dtable::not_open): Move method.
* dtable.h (dtable): Here.
* exceptions.cc (ctrl_c_handler): Don't expect process group leader to handle a
signal if it doesn't exist.
* fhandler.h (fhandler_base): Make openflags protected.
* localtime.c (tzsetwall): Check for __CYGWIN__ as well as __WIN32__.
* path.cc (path_conv::check): Add some comments. Change strcat to assignment.
* lib/_cygwin_S_IEXEC.cc (_cygwin_bob__): Eliminate.
* fhandler_tty.cc (fhandler_console::dup): Set controlling terminal if
necessary.
* fhandler_tty.cc (fhandler_tty_slave::dup): Ditto.
* thread.h (pthread_cond): New element cond_access to allow atomic broadcasts.
* thread.cc (pthread_cond::pthread_cond): Initialise cond_access.
(pthread_cond::~pthread_cond): Destroy cond_access.
(pthread_cond::Broadcast): Use cond_access.
(pthread_cond::Signal): Use cond_access.
(pthread_cond_wait): Use cond_access.
(pthread_cond_timedwait): Use cond_access.
(stack_info::init): Add extra arguments to control method of initialization..
If we have a known good frame, set things up so that this frame is not skipped
the first time through. Record whether caller cares about arguments or not.
(stack_info::walk): Don't store arguments if they're unwanted.
(stackdump): Add isexception parameter for use when called by exception
handler.
(cygwin_stackdump): Accomodate extra argument to stackdump.
(handle_exceptions): Ditto.
(sig_handle): Ditto.
(interrupt_on_return): Accomodate extra arguments to stack walk initialization.
* pinfo.h: Correctly set __SIGOFFSET.
* path.cc (hash_path_name): Avoid calling library functions for simple copying
of characters.
* shortcut.c: Use WIN32_LEAN_AND_MEAN.
* smallprint.c: Ditto.
* environ.cc (getwinenv): Minor clarity fix.
* localtime.c: No need to include windows.h
* string.h: New file.
Redefine wrapper for wsock32.dll and ws2_32.dll.
(std_dll_init): New function.
* autoload.h: Rename LoadDLLinitfunc to LoadDLLinitfuncdef.
Add new defines LoadDLLinitfunc and LoadDLLstdfunc.
* net.cc (wsock_init): Add guard variable handling. Take care
to call WSAStartup only once. Load WSAStartup without using
autoload wrapper to eliminate recursion. Eliminate FIONBIO
and srandom stuff.
(mount_info::conv_to_win32_path): Eliminate now-unneeded relative path name arg
and processing.
(path_conv::check): Accomodate relative path names again. Accomodate one extra
argument in mount_info::conv_to_win32_path. Tack trailing slash on end of
relative path as a side effect, like before.
* shared_info.h (mount_info::conv_to_win32_path): Reflect new argument
ordering.
Add LoadDLLfuncEx statements for AllocateLocallyUniqueId@4,
DuplicateTokenEx@24, LsaNtStatusToWinError@4,
LsaDeregisterLogonProcess@4, LsaFreeReturnBuffer@4,
LsaLogonUser@56, LsaLookupAuthenticationPackage@12,
LsaRegisterLogonProcess@12,
* environ.cc: Add extern declaration for `subauth_id'.
(subauth_id_init): New function for setting `subauth_id'.
(struct parse_thing): Add entry for `subauth_id'.
* fork.cc (fork_parent): Call `RevertToSelf' and
`ImpersonateLoggedOnUser' instead of `seteuid'.
* security.cc: Define global variable `subauth_id'.
(extract_nt_dom_user): New function.
(cygwin_logon_user): Call `extract_nt_dom_user' now.
(str2lsa): New static function.
(str2buf2lsa): Ditto.
(str2buf2uni): Ditto.
(subauth): Ditto.
* security.h: Add prototype for `subauth'.
* spawn.cc (spawn_guts): Use cygheap->user.token only if impersonated.
Use `cygsid' type. Remove impersonation before allowing access to
workstation/desktop to everyone. Call `RevertToSelf' and
`ImpersonateLoggedOnUser' instead of `seteuid'.
* syscalls.cc (seteuid): Rearranged to allow using subauthentication
to retrieve user tokens when needed.
(read_etc_group): Substitute MAX_DOMAIN_NAME by
INTERNET_MAX_HOST_NAME_LENGTH.
* passwd.cc (parse_pwd): Don't force pw_name to be lower case.
* sec_helper.cc: Substitute MAX_USER_NAME by UNLEN,
MAX_COMPUTERNAME_LENGTH by INTERNET_MAX_HOST_NAME_LENGTH throughout.
(lookup_name): Slight cleanup.
* security.cc (alloc_sd): Substitute MAX_USER_NAME by UNLEN.
* security.h: Define DEFAULT_UID as DOMAIN_USER_RID_ADMIN and
DEFAULT_GID as DOMAIN_ALIAS_RID_ADMINS.
* shared.cc (memory_init): Substitute MAX_USER_NAME by UNLEN.
* thread.h: Ditto.
* uinfo.cc (internal_getlogin): Substitute MAX_USER_NAME by UNLEN.
Substitute MAX_COMPUTERNAME_LENGTH and MAX_HOST_NAME by
INTERNET_MAX_HOST_NAME_LENGTH.
* winsup.h: Include lmcons.h. Eliminate MAX_USER_NAME and
MAX_HOST_NAME. Move DEFAULT_UID and DEFAULT_GID to security.h.
(init_exceptions): Just use init_exception_handler.
(open_stackdumpfile): New function.
(stack_info::first_time): Eliminate.
(stack_info::init): Set up fields to avoid "first_time" consideration.
(stack_info::walk): Remove "first_time" consideration.
(stackdump): Change arguments to accept initial frame pointer and open stack
file flag.
(stack): Eliminate.
(cygwin_stackdump): Use stackdump() rather than stack().
(try_to_debug): Remove all synchronization logic. Just keep looping in
exception handler until debugger notices us. Return 1 if successfully started
debugger.
(handle_exceptions): Just return if we know that we're debugging. Reorganize
to avoid creating a stackdump file if we are starting a debugger. Return from
exception handler if debugger started successfully.
(sig_handle): Create a stackdump only if debugger wasn't started.
* winsup.h (try_to_debug): Add an argument.
back to path_conv::check. Clear symlink bit from pflags argument before
detecting if this is a symlink.
(path_conv::check): Convert posix path here instead of symlink_info::check.
Only grab volflags when using ntsec.
(symlink_info::check_case): Just replace appropriate part of input path.
Throughout, change 'OutputStopped' to 'output_stopped', for consistency.
* dtable.cc (stdio_init): Set controlling tty if not set by stdio opens.
* exceptions.cc (ctrl_c_handler): Avoid special pgid checking if no tty is
associated with the process.
(Suggested by Tim Baker <dbaker@direct.ca>)
* external.cc (fillout_pinfo): Return actual tty number for ctty.
* fhandler_console.cc (get_tty_stuff): Set ctty when shared memory is
allocated. Accept flags input from open().
(set_console_ctty): New function.
(fhandler_console::open): Pass flags to get_tty_stuff and rely on this function
to set the ctty, if appropriate.
* fhandler_termios.cc (fhandler_termios::set_ctty): Move to tty_min class.
* fhandler_tty.cc (fhandler_tty_slave::open): Use tc field to access
set_ctty().
* tty.h (TTY_CONSOLE): Move to include/sys/cygwin.h.
(tty_min): Add set_ctty class here.
* include/sys/cygwin.h (TTY_CONSOLE): New home here.
* path.cc (symlink_info): Make contents an actual buffer. Pass more flags to
case_check.
(path_conv::check): Reorganize to do parsing based on posix path rather than
native path.
(symlink_info::check): Expect posix path as input. Translate to native path
here. Accept path_conv flags. Stop parsing if not a symlink regardless of
whether previous path was a symlink.
structure of newlib.
* sigproc.h (sig_send): Add exception parameter to sig_send.
* sigproc.cc (sig_send): Ditto. Use it when setting frame info.
* exceptions.cc (handle_exceptions): Use exception flag when calling sig_send.
[sigframe::~sigframe]: Clear exception field.
[sigframe::set]: Set exception field from caller.
* sigproc.cc (sig_send): Set exception field when frame pointer is passed in.
* exceptions.cc (interrupt_on_return): Always treat exception as interruptible.
* cygheap.cc: Include security.h.
* grp.cc (internal_getgrent): New function.
(getgroups): Rearranged using `internal_getgrent' and the new
`cygsid' class.
* passwd.cc (internal_getpwent): New function.
* sec_acl.cc: Use new `cygsid' class throughout.
(acl_access): Use `internal_getgrent' instead of `getgrent'.
* sec_helper.cc: Use new `cygsid' class throughout.
(get_id_from_sid): Use `internal_getgrent' instead of `getgrent'.
Use `internal_getpwent' instead of `getpwent'.
* security.cc: Use new `cygsid' class throughout.
* security.h: Move `MAX_SID_LEN' from winsup.h to here.
Add extern declarations for `internal_getgrent' and `internal_getpwent'.
(class cygsid): New class.
* shared.cc (sec_user): Use new `cygsid' class.
* syscalls.cc (seteuid): Try to set owner to user and primary group to
current group in impersonation token before performing impersonation.
(setegid): Try to set primary group in process token to the new group
if ntsec is on.
* uinfo.cc (internal_getlogin): Use new `cygsid' class.
Try to set owner to user and primary group to current group in process
token if the process has been started from a non cygwin process.
(uinfo_init): Set primary group only if the process has been started
from a non cygwin process.
* winsup.h: Move define for `MAX_SID_LEN' to security.h.
* fhandler.h (fhandler_base::set_open_status): New method. Stores original
open status.
(fhandler_base::get_open_status): New method. Retrieves original open status.
(fhandler_base::reset_to_open_binmode): New method.
* fhandler.cc (fhandler_base::open): Save open status.
(fhandler_base::init): Ditto.
* fhandler_clipboard.cc (fhandler_clipboard::open): Ditto.
* fhandler_console.cc (fhandler_console::open): Ditto.
* fhandler_dsp.cc (fhandler_dsp::open): Ditto.
* fhandler_dev_mem.cc (fhandler_dev_mem::open): Ditto.
* fhandler_dev_random.cc (fhandler_dev_random::open): Ditto.
* fhandler_serial.cc (fhandler_serial::open): Ditto.
* fhandler_tty_slave.cc (fhandler_tty_slave::open): Ditto.
* fhandler_tty_master.cc (fhandler_tty_master::open): Ditto.
* fhandler_dev_zero.cc (fhandler_dev_zero::open): Ditto.
* syscalls.cc (setmode): Rework so that 0 mode value causes reversion to open
state.
* fhandler_tty_slave.cc (fhandler_tty_slave::read): Use correct multiplier when
converting from deciseconds to milliseconds.
* path.cc (check_sysfile): Ditto.
(symlink_info::check): Rely on opened file handle being closed by symlink
checking routines. Set ext_tacked_on when .lnk is detected.
* sec_helper.cc (set_process_privilege): Rename from
`set_process_privileges'. Takes the privilege to enable or disable
as parameter now.
* security.h: Add prototype for `set_process_privileges'.
* security.cc: Swap out several functions.
* sec_acl.cc: New file. Move Sun compatibel ACL functions from
`security.cc' to here.
* sec_helper.cc: New file. Move security helper functions from
`security.cc' to here.
* security.h: Changed to accomodate the above changes.
* grp.cc: Replace `group_in_memory_p' by `group_state'.
Eliminate group_sem throughout.
(enum grp_state): New enumeration type.
(read_etc_group): Make race safe.
* security.cc: Eliminate group_sem throughout.
is set to PCHECK_ADJUST when a case clash is given for the last
component in path.
(symlink_info::case_check): Ditto.
* syscalls.cc (_rename): Avoid overwriting an already existing file
if a case clash is given even if pcheck_case is set to PCHECK_ADJUST.
a global static variable.
(class mmap_record): Add `devtype_' member to remember
the device type of the file. Add declaration for methods
`get_device', `alloc_fh' and `free_fh'.
(mmap_record::mmap_record): Initialize `devtype_' correctly.
(mmap_record::alloc_fh): New method.
(mmap_record::free_fh): Ditto.
(munmap): Use new mmap_record::alloc_fh and mmap_record::free_fh
methods to create a correct fhandler.
(msync): Ditto.
(fixup_mmaps_after_fork): Ditto.
* fhandler_dsp.cc: New file. Implements OSS like /dev/dsp.
* include/sys/soundcard.h: New file. User land includes for OSS /dev/dsp.
* fhandler.h: Add new class fhandler_dev_dsp and a FH_OSS_DSP definition.
* dtable.cc (dtable::build_fhandler): Allow creation of the /dev/dsp device.
* path.cc (windows_device_names): Add /dev/dsp into list of device names.
* Makefile.in (DLL_OFILES): Add fhandler_dsp.o.
sockets will not stay around.
* select.cc (socket_cleanup): Set SO_LINGER to small value so closed dummy
sockets do not stay around. Use correct value for second argument to shutdown.
* thread.h (MTinterface): Add threadcount.
* thread.cc (MTinterface::Init): Set threadcount to 1.
(__pthread_create): Increment threadcount.
(__pthread_exit): Decrement threadcount and call exit() from the last thread.
(fork_parent): Call the __pthread_atforkparent function.
* cygwin.din: Export pthread_atfork.
* thread.h (callback): New class.
(MTinterface): Use it.
* thread.cc (__pthread_atforkprepare): New function.
(__pthread_atforkparent): New function.
(__pthread_atforkchild): New function.
(__pthread_atfork): New function.
* pthread.cc (pthread_atfork): New function.
* environ.cc: Add extern declaration for `pcheck_case'.
(check_case_init): New function.
(struct parse_thing): Add "check_case" option.
* errno.cc (_sys_nerrlist): Add text for ECASECLASH.
(strerror): Add case branch for ECASECLASH.
* fhandler.cc (fhandler_disk_file::open): Check for case clash.
* path.cc: Add global variable `pcheck_case'.
(struct symlink_info): Add member `case_clash' and method `case_check'.
(path_prefix_p_): Call `pathnmatch' instead of `strncasematch'.
(pathnmatch): New funtion.
(pathmatch): Ditto.
(path_conv::check): Add handling for case checking.
(symlink): Check for case clash.
(symlink_info::check): Add parameter for case checking.
Handle case checking.
(symlink_info::case_check): New method.
(chdir): Don't use unconverted path if pcheck_case==PCHECK_STRICT.
* path.h: Add extern declarations for `pathmatch' and
`pathnmatch'.
(enum case_checking): New enumeration type describing
the case checking behaviour of path conversion routines.
(class path_conv): Add member `case_clash'.
* syscalls.cc (_link): Check for case clash.
* cygwin.din: Remove @PTH_ALLOW@ prefixes to pthread functions. Add new
pthread exports.
* pthread.cc: New wrapper functions for the above new exports.
* sched.cc (valid_sched_parameters): New function.
(sched_setparam): Use it.
(sched_set_thread_priority): New function. Used by pthread_sched*.
* thread.cc (pthread_key_destructor::InsertAfter): New function.
(pthread_key_destructor::UnlinkNext): New function.
(pthread_key_destructor::Next): New function.
(pthread_key_destructor_list::Insert): New function.
(pthread_key_destructor_list::Remove): New function.
(pthread_key_destructor_list::Pop): New function.
(pthread_key_destructor::pthread_key_destructor): New function.
(pthread_key_destructor_list::IterateNull): New function.
(MTinterface::Init): Initialise new member.
(pthread::pthread): Initialise new members.
(pthread::create): Copy new attributes. Set the new thread priority.
(pthread_attr::pthread_attr): Initialise new members.
(pthread_key::pthread_key): Setup destructor function.
(pthread_key::~pthread_key): Remove destructor function.
(pthread_mutexattr::pthread_mutexattr): New function.
(pthread_mutexattr::~pthread_mutexattr): New function.
(__pthread_once): New function.
(__pthread_cleanup): New function.
(__pthread_cancel): New function.
(__pthread_setcancelstate): New function.
(__pthread_setcanceltype): New function.
(__pthread_testcancel): New function.
(__pthread_attr_getinheritsched): New function.
(__pthread_attr_getschedparam): New function.
(__pthread_attr_getschedpolicy): New function.
(__pthread_attr_getscope): New function.
(__pthread_attr_setinheritsched): New function.
(__pthread_attr_setschedparam): New function.
(__pthread_attr_setschedpolicy): New function.
(__pthread_attr_setscope): New function.
(__pthread_exit): Call any key destructors on thread exit.
(__pthread_join): Use the embedded attr values.
(__pthread_detach): Use the embedded attr values.
(__pthread_getconcurrency): New function.
(__pthread_getschedparam): New function.
(__pthread_key_create): Pass the destructor on object creation.
(__pthread_key_delete): Correct incorrect prototype.
(__pthread_setconcurrency): New function.
(__pthread_setschedparam): New function.
(__pthread_cond_timedwait): Support static mutex initialisers.
(__pthread_cond_wait): Ditto.
(__pthread_mutex_getprioceiling): New function.
(__pthread_mutex_lock): Support static mutex initialisers.
(__pthread_mutex_trylock): Ditto.
(__pthread_mutex_unlock): Ditto.
(__pthread_mutex_destroy): Ditto.
(__pthread_mutex_setprioceiling): New function.
(__pthread_mutexattr_getprotocol): New function.
(__pthread_mutexattr_getpshared): New function.
(__pthread_mutexattr_gettype): New function.
(__pthread_mutexattr_init): New function.
(__pthread_mutexattr_destroy): New function.
(__pthread_mutexattr_setprotocol): New function.
(__pthread_mutexattr_setprioceiling): New function.
(__pthread_mutexattr_getprioceiling): New function.
(__pthread_mutexattr_setpshared): New function.
(__pthread_mutexattr_settype): New function. Remove stubs for non MT_SAFE
compilation.
* thread.h: Remove duplicate #defines. Add prototypes for new functions in
thread.cc.
(pthread_key_destructor): New class.
(pthread_key_destructor_list): New class.
(pthread_attr): Add new members.
(pthread): Remove members that are duplicated in the pthread_attr class.
(pthread_mutex_attr): Add new members.
(pthread_once): New class.
* include/pthread.h: Add prototypes for new functions exported from
cygwin1.dll. Remove typedefs.
* include/sched.h: Add prototypes for new functions in sched.cc.
* include/cygwin/types.h: Add typedefs from pthread.h
* cygwin.din: Remove @PTH_ALLOW@ prefixes to pthread functions.
Add new pthread exports.
* pthread.cc: New wrapper functions for the above new exports.
* sched.cc (valid_sched_parameters): New function.
(sched_setparam): Use it.
(sched_set_thread_priority): New function. Used by pthread_sched*.
* thread.cc (pthread_key_destructor::InsertAfter): New function.
(pthread_key_destructor::UnlinkNext): New function.
(pthread_key_destructor::Next): New function.
(pthread_key_destructor_list::Insert): New function.
(pthread_key_destructor_list::Remove): New function.
(pthread_key_destructor_list::Pop): New function.
(pthread_key_destructor::pthread_key_destructor): New function.
(pthread_key_destructor_list::IterateNull): New function.
(MTinterface::Init): Initialise new member.
(pthread::pthread): Initialise new members.
(pthread::create): Copy new attributes. Set the new thread priority.
(pthread_attr::pthread_attr): Initialise new members.
(pthread_key::pthread_key): Setup destructor function.
(pthread_key::~pthread_key): Remove destructor function.
(pthread_mutexattr::pthread_mutexattr): New function.
(pthread_mutexattr::~pthread_mutexattr): New function.
(__pthread_once): New function.
(__pthread_cleanup): New function.
(__pthread_cancel): New function.
(__pthread_setcancelstate): New function.
(__pthread_setcanceltype): New function.
(__pthread_testcancel): New function.
(__pthread_attr_getinheritsched): New function.
(__pthread_attr_getschedparam): New function.
(__pthread_attr_getschedpolicy): New function.
(__pthread_attr_getscope): New function.
(__pthread_attr_setinheritsched): New function.
(__pthread_attr_setschedparam): New function.
(__pthread_attr_setschedpolicy): New function.
(__pthread_attr_setscope): New function.
(__pthread_exit): Call any key destructors on thread exit.
(__pthread_join): Use the embedded attr values.
(__pthread_detach): Use the embedded attr values.
(__pthread_getconcurrency): New function.
(__pthread_getschedparam): New function.
(__pthread_key_create): Pass the destructor on object creation.
(__pthread_key_delete): Correct incorrect prototype.
(__pthread_setconcurrency): New function.
(__pthread_setschedparam): New function.
(__pthread_cond_timedwait): Support static mutex initialisers.
(__pthread_cond_wait): Ditto.
(__pthread_mutex_getprioceiling): New function.
(__pthread_mutex_lock): Support static mutex initialisers.
(__pthread_mutex_trylock): Ditto.
(__pthread_mutex_unlock): Ditto.
(__pthread_mutex_destroy): Ditto.
(__pthread_mutex_setprioceiling): New function.
(__pthread_mutexattr_getprotocol): New function.
(__pthread_mutexattr_getpshared): New function.
(__pthread_mutexattr_gettype): New function.
(__pthread_mutexattr_init): New function.
(__pthread_mutexattr_destroy): New function.
(__pthread_mutexattr_setprotocol): New function.
(__pthread_mutexattr_setprioceiling): New function.
(__pthread_mutexattr_getprioceiling): New function.
(__pthread_mutexattr_setpshared): New function.
(__pthread_mutexattr_settype): New function.
Remove stubs for non MT_SAFE compilation.
* thread.h: Remove duplicate #defines.
Add prototypes for new functions in thread.cc.
(pthread_key_destructor): New class.
(pthread_key_destructor_list): New class.
(pthread_attr): Add new members.
(pthread): Remove members that are duplicated in the pthread_attr class.
(pthread_mutex_attr): Add new members.
(pthread_once): New class.
* include/pthread.h: Add prototypes for new functions exported from cygwin1.dll.
Remove typedefs.
* include/sched.h: Add prototypes for new functions in sched.cc.
* include/cygwin/types.h: Add typedefs from pthread.h
(path_conv::check): Only tack on extension if a known one didn't already exist.
(suffix_scan::has): Return pointer to known extension.
(symlink_info::check): Record location of extension, if any.
it.
* cygwin.din: Remove obsolete "__empty" export.
* exceptions.cc (call_signal_handler_now): Force inclusion of function even
when -finline-functions is specified.
* sigproc.h: Remove obsolete call_signal_handler declaration.
* fhandler_console.cc (cp_get_internal): New function.
(cp_convert): New function.
(con_to_str): New function.
(str_to_con): New function.
(fhandler_console::read): Replace OemToCharBuff with con_to_str.
(fhandler_console::write_normal): Replace CharToOemBuff with str_to_con.
element.
* path.cc (mount_info::getmntent): Report "/cygdrive" drives when mounted
drives are exhausted.
(fillout_mntent): New function.
(mount_item::getmntent): Use fillout_mntent.
(cygdrives_mntent): New function. Returns next available "/cygdrive".
(setmntent): Initialize available "/cygdrives".
* syscalls.cc: Remove some if 0'ed code.
* times.cc (timezone): Use more descriptive variable name.
(sigframe::~sigframe): Use unregister method.
(sigframe::call_signal_handler): Declare new method.
* exceptions.cc (sigframe::call_signal_handler): New method. Unregisters
current sigframe before calling signal handler.
(setup_handler): Clear waiting threads prior to arming signal_arrived.
* syscalls.cc (_read): Change goto to loop. Recalculate sigframe inside of
loop so that constructor is called when appropriate.
* wait.cc (wait4): Ditto.
* signal.cc: Change "sig" to "signal" in debugging messages throughout.
* sigproc.cc: Ditto.
* fhandler_console.cc (fhandler_console::dup): Duplicate `insert_mode'.
(fhandler_console::fhandler_console): Initialize `insert_mode'.
fhandler_console::char_command): Add terminal capabilities
"enter insert mode" = \E[4h and "exit insert mode" = \E[4l.
Care for insert mode on terminal capability "repeat char" = \E[x;yb.
(fhandler_console::write_normal): Care for insert mode before writing
to the console.
(array keytable): Add keymapping for modified cursor and control
block keys (xterm like).
defined. Wrap definitions in extern "C". Include winsup.h to assure proper
definitions.
* dcrt0.cc (dll_crt0_1): Call stdio_init after premain run so that binmode.o,
etc., will control default stdio settings.
* dtable.cc (dtable::init_std_file_from_handle): Allow __fmode to force
binmode/textmode settings. Default pipes to binmode.
(check_path_access): Use passed in path_conv buf.
(get_full_path_of_dll): Use passed in name buf to avoid a static. Rip out most
of the path checking since LoadLibrary will do all of this automatically.
(dlopen): Set errno when appropriate (may not be compliant?).
* environ.cc (posify): Don't pass in "native" path if it seems to actually be
posix.
* fhandler_clipboard.cc (fhandler_dev_clipboard::fhandler_dev_clipboard):
Initialize new fields. Open clipboard here.
(fhandler_dev_clipboard::dup): New method.
(fhandler_dev_clipboard::open): Accomodate new fields. Register clipboard
here, if appropriate.
(set_clipboard): New function. Moves buffer to clipboard.
(fhandler_dev_clipboard::write): Truly implement clipboard writing.
(fhandler_dev_clipboard::read): Reimplement to allow successive reads.
(fhandler_dev_clipboard::lseek): Truly implement seeks in clipboard.
(fhandler_dev_clipboard::close): Clear out new fields. Support sequential
reads and sequential writes. Support for binary data via a native clipboard
format.
* path.cc (symlink_info): Eliminate known_suffix.
(path_conv::check): Always copy ext_here to end of buffer, if found.
(suffix_scan): Eliminate ext_here, add suffixes_start.
(suffix_scan::has): Eliminate an argument. Reorganize. Always return pointer
to end of input path.
(suffix_scan::next): Take a second pass through the suffix list looking for
.lnk.
(symlink_info::check): Eliminate known_suffix usage.
(suffix_scan): Rename state to nextstate for clarity.
(lnk_match): Change to allow multiple states to indicate that a .lnk has been
matched.
(suffix_scan::has): Eliminate a goto. Handle .lnk as a special case, since a
.lnk may also need to be tacked on the end of a .lnk.
(suffix_scan::next): Don't increment next state. Set it specifically.
Recognize new .lnk states.
* pthread.cc (pthread_cond_*): Add wrapper functions that call __pthread_cond*
functions.
* thread.cc (__pthread_cond_*): Implement the pthread_cond* functions.
* thread.h: Add new class entries and prototypes for __pthread_cond* functions.
* include/pthread.h: user land header prototypes for pthread_cond* functions
and related defines.
(class suffix_scan): Add `lnk_state' flag.
(suffix_scan::lnk_match): Return state of `lnk_state' now.
(suffix_scan::has): Changed behaviour if file has `.lnk' suffix.
(suffix_scan::next): Set `lnk_state' where appropriate.
(symlink_info::check): Fix a wrong `break'.
* syscalls.cc (chown_worker): Change debug statement to reflect
lchown fix.
(lchown): Call chown_worker with `PC_SYM_NOFOLLOW' instead of
`PC_SYM_IGNORE'.
* fhandler.cc (fhandler_termios::fixup_after_fork): New function.
Fixup output handle.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Output
handle is now fixed up in fhandler_termios::fixup_after_fork().
complain.
* exceptions.cc (unused_sig_wrapper): Ditto.
* fhandler.h (fhandler_base): Make get_io_handle and friends return self.
* fhandler_tty.cc (fhandler_pty_common::close_on_exec): Accomodate DEBUGGING
flag to avoid spurious warnings when inheritance is set.
* exceptions.cc (setup_handler): Clarify debugging message.
* sigproc.cc (proc_subproc): Remove PROC_CHILDSTOPPED test. It is handled by
normal PROC_CLEARWAIT case.
(wait_sig): Eliminate "dispatched" tracking. Remove __SIGCHILDSTOPPED test.
Decrement counter again before jumping out of InterlockedDecrement loop so that
subsequent InterlockedIncrement will keep the counter at the correctly
decremented value and also detect when there are pending signals.
* sigproc.h: Remove __SIGCHILDSTOPPED element.
(procstuff): Remove PROC_CHILDSTOPPED element.
(sigframe:;set): Call get_winapi_lock after frame is set so that signal handler
thread knows not to call SuspendThread.
(sigframe::~sigframe): Release winapi_lock.
* exceptions.cc (sigthread::get_winapi_lock): New method.
(sigthread::release_winapi_lock): New method.
(setup_handler): Use get_winapi_lock to ensure that signalled thread is not
blocked in a Windows API.
* path.h (path_types): Avoid broken GCC warning.
* binmode.c (cygwin_premain0): Ditto.
* textmode.c (cygwin_premain0): Ditto.
Patch contributed by Jason Tiller <jtiller@sjm.com> :
* auto_load.cc: Add "GetKeyboardLayout" entry in the list of
Win32 User32.DLL exports to provide.
* fhandler.h (class fhandler_console): Add meta_mask private
member to remember which keystroke modifiers should generate
META.
* fhandler_console.cc (fhandler_console::read): Modify code that
tests a keystroke for a META-escaped key to use the 'meta_mask'
variable.
(fhandler_console::fhandler_console): Add definition for
variable "meta_mask" used to determine if a keystroke should be
preceded by META in the client console stream. Set meta_mask
based on whether or not user's keyboard language is English -
non-English keyboards pass AltGr (right <ALT>) unmolested,
whereas English keyboards now interpret left- and right-<ALT>
as META.
chrisiasci@aol.com).
* cygwin.din: Add a new, internally used export - _check_for_executable.
* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries. Pass
user_data to premain functions.
* fhandler.cc (fhandler_disk_file::open): Only check for executable if the
linked program is intereested in the executable bit.
(fhandler_disk_file::check_execable_p): Delete.
* fhandler.h (executable_states): New enumeration of various states of
executable bit caring.
(fhandler_base::set_execable_p): New method.
* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has
been sent to the tty. Return -1 when this is so.
* fhandler_console.cc (fhandler_console::read): Return -1 when signal sending
character encountered.
* path.cc (path_conv::check): Record when path refers to a disk device. Move
executable extension check here.
(check_sysfile): Accomodate new EXEC path states.
(has_suffix): Remove.
(next_suffix): Remove.
(class suffix_scan): New clas.
(suffix_scan::has): New method.
(suffix_scan:next): New method.
(symlink_info::check): Use suffix_scan method to control for scanning for
suffixes.
* path.h (path_conv::exec_state): New method.
* perprocess.h: Make "C" friendly.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC. Bump
CYGWIN_VERSION_API_MINOR.
* include/sys/cygwin.h: Change premain declarations.
* winsup.h: Move __cplusplus test to after builtin defines.
syncronize input on master tty with slave tty.
* fhandler_tty.cc (fhandler_pty_master::accept_input): Use them to
syncronize with slave.
* fhandler_tty.cc (fhandler_tty_slave::read): Use input mutex and
event to syncronize with master. Do not limit amount of data read
from master to vmin value. Interrupt on signal and return already
read data, if any.
* fhandler_tty.cc (fhandler_tty_slave::open): Handle input mutex and
event.
* fhandler_tty.cc (fhandler_tty_common::close): Ditto.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_common::fixup_after_fork): Ditto.
* fhandler_tty.cc (fhandler_tty_common::dup): Ditto.
* tty.h (tty::open_input_mutex): New function.
* tty.cc (tty::common_init): Create input mutex and event.
* environ.cc: Add extern decl for `allow_winsymlinks'.
(struct parse_thing): Add entry for `[no]winsymlinks'.
* path.cc (symlink): Change to be able to create both,
symlink==shortcut and symlink==systemfile, dependent of
the setting of `allow_winsymlinks'.
* security.cc (cygwin_logon_user): Add debug output.
* shortcut.c: Add defines from path.h.
(has_exec_chars): Copy from path.h.
(check_shortcut): Check for executable file condition if not a
shortcut.
drive geometry or partition size to allow seeking from the end of
raw floppy device. Don't allow positioning past the end of media or
to offsets bigger then max off_t.
describe "state" of console to be members of fhandler_console.
default_color is now the color which is set when console recieves
reset command.
* fhandler_console.cc (fhandler_console::fhandler_console): Turn
mouse handling and raw keyboard mode off by default. Initialize
state information.
* fhandler.cc (fhandler_console::set_raw_win32_keyboard_mode): New
function.
* fhandler_console.cc (fhandler_console::set_default_attr): New
function. Reset console attributes to default values.
* fhandler_console.cc (fhandler_console::open): Reset attributes.
* fhandler_console.cc (fhandler_console::get_win32_attr): New function.
Calculate win32-style console attribute based on terminal attributes.
* fhandler_console.cc (fhandler_console::set_cursor_maybe): Use
member variable.
* fhandler_console.cc (fhandler_console::read): If in raw-win32
keyboard mode, encode win32 keyboard events in \033{x;y;z;t;u;wK
sequences.
* fhandler_console.cc (fhandler_console::dup): Copy all state
information to the dup()ed handle.
* fhandler_console.cc (fhandler_console::scroll_screen): Use current
fill-in attribute.
* fhandler_console.cc (fhandler_console::clear_screen): Ditto.
* fhandler_console.cc (fhandler_console::char_command): Check if we
saw '?' symbol by member variable. Set terminal attributes on \033[Xm
commands. \033[24m - turn off underline mode, \033[27m - turn off
reverse mode, \033[39m - restore default foreground color.
\033[49m - restore default background color. \033[2000h - turn on raw
keyboard mode, \033[2000l - turn off raw keyboard mode.
* fhandler_console.cc (fhandler_console::write): Set attribues to
default values on reset command.
adding an va_list interface to strace.
(strace::printf): Calls strace::vprntf now.
(strace_printf): New function providing an extern "C" interface to
trace output.
* include/sys/strace.h: Make plain C clean.
(class strace): Add `vprntf' method.
Windows shortcuts to avoid compiler flag `-fvtable-thunks'.
* shortcut.h: Ditto.
* Makefile.in: Add shortcut.o to DLL_OFILES.
* cygerrno.h: Provide a C interface to `geterrno_from_win_error' for
using in shortcut.c.
* errno.cc (geterrno_from_win_error): Define as extern "C".
* path.cc (struct symlink_info): Remove methods `check_shortcut' and
`check_sysfile'.
(shortcut_header): Move to shortcut.c.
(shortcut_initalized): Ditto.
(create_shortcut_header): Ditto.
(cmp_shortcut_header): Ditto.
(symlink_info::check_shortcut): Ditto. Reorganize as a plain C function.
(symlink_info::check_sysfile): Redefine as a global function using the
same parameter list as `check_shortcut' for clearness.
(symlink_info::check): Change parameter list for calls to
`check_shortcut' and `check_sysfile'.
* autoload.cc: Add LoadDLLinitfunc for ole32.dll.
Add LoadDLLfuncEx statements for CoInitialize@4, CoUninitialize@0
and CoCreateInstance@20.
* dir.cc (dir_suffixes): New datastructure.
(readdir): Check for R/O *.lnk files to hide the suffix.
(opendir): Use `dir_suffixes' in path conversion.
(rmdir): Ditto.
* fhandler.cc (fhandler_disk_file::fstat): Add S_IFLNK flag
before calling `get_file_attribute'. Take FILE_ATTRIBUTE_READONLY
into account only if the file is no symlink.
* path.cc (inner_suffixes): New datastructure.
(SYMLINKATTR): Eliminated.
(path_conv::check): Use `inner_suffixes' on inner path components.
(shortcut_header): New global static variable.
(shortcut_initalized): Ditto.
(create_shortcut_header): New function.
(cmp_shortcut_header): Ditto.
(symlink): Create symlinks by creating windows shortcuts. Preserve
the old code.
(symlink_info::check_shortcut): New method.
(symlink_info::check_sysfile): Ditto.
(symlink_info::check): Check for shortcuts. Move code reading
old system attribute symlinks into symlink_info::check_sysfile().
(chdir): Use `dir_suffixes' in path conversion.
* security.cc (get_file_attribute): Check for S_IFLNK flag.
Force 0777 permissions then.
* spawn.cc (std_suffixes): Add ".lnk" suffix.
* syscalls.cc (_unlink): Use `inner_suffixes' in path conversion.
Check for shortcut symlinks to eliminate R/O attribute before
calling DeleteFile().
(stat_suffixes): Add ".lnk" suffix.
(stat_worker): Force 0777 permissions if file is a symlink.
* thread.cc (MTinterface::Init): Remove the initialization of `reent_data'.
* dcrt0.cc: Add the initalizer to the declaration of `reent_data'.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 35.
(list::list): Initialize `hash'.
(list::get_list_by_fd): Use filepath hash value to get the correct
mapping list if it's not an anonymous mapping.
(map::add_list): Initialize `hash' with filepath hash value.
(mmap): Check for reusing a mapping only on MAP_SHARED.
Add LoadDLLfuncEx statements for GetIfTable@12 and GetIpAddrTable@12.
* fhandler_socket.cc (fhandler_socket::ioctl): Move variable
definitions to the beginning of the function to allow better debugging.
Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
* net.cc: Include iphlpapi.h.
(get_2k_ifconf): Rewritten. Uses IP Helper API now.
(get_nt_ifconf): Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC
and SIOCGIFMTU.
(get_95_ifconf): Ditto. Renamed from `get_9x_ifconf'.
(get_ifconf): Name loopback `lo' instead of `lo0' as in Linux.
Add handling for SIOCGIFHWADDR, SIOCGIFMETRIC and SIOCGIFMTU.
Call `get_95_ifconf' only on Windows 95, `get_nt_ifconf' only
on Windows NT < Service Pack 3, `get_2k_ifconf otherwise.
* include/asm/socket.h: Add defines for SIOCGIFHWADDR, SIOCGIFMETRIC
and SIOCGIFMTU.
* include/cygwin/if.h: Add `ifr_hwaddr', `ifr_metric' and `ifr_mtu'.
(struct ifreq): Add `ifru_hwaddr'.
when opening raw disk devices.
* fhandler_floppy.cc (fhandler_dev_floppy::lseek): Implement bytewise
access.
* fhandler_raw.cc (fhandler_dev_raw::open): Always open raw disk device
binary.
(fhandler_dev_raw::raw_write): Don't drop read buffer content when
writing after read.
the memory protection in a just forked child.
(mmap): Realign gran_len to page boundary only on anonymous
mapping before saving in the mmap_record.
(munmap): Cleanup code.
(msync): Ditto.
(fixup_mmaps_after_fork): Ditto. Call mmap_record::fixup_map now.
does.
* cygheap.cc (init_cheap): Don't specify a load address for the heap. It
doesn't work on #!*& Windows 9x.
(cygheap_init): Move GetUserName to memory_init.
* dcrt0.cc (dll_crt0_1): Call new memory_init functin, eliminate call to
heap_init.
* heap.cc (heap_init): Improve error output.
* heap.h: Correct some declarations.
* shared.cc (mount_table_init): Remove.
(memory_init): Renamed from shared_init. Reorganize to accomodate strange
Windows 9x problems with cygheap/heap interaction.
* shared_info.h: Rename shared_init to memory_init.
(cygheap_init): Here.
* shared_info.h (mount_info): Add a sys_mount_table_counter field.
(shared_info): Ditto.
* path.cc (mount_info::conv_to_win32_path): Check that our mount table is in
sync with the system mount table and reinitialize it if not.
(mount_info::add_reg_mount): Bump sys_mount_table counters if the system mount
table changes.
(mount_info::del_reg_mount): Ditto.
(mount_info::write_cygdrive_info_to_registry): Ditto.
(mount_info::remove_cygdrive_info_from_registry): Ditto.
* child_info.h (child_info): Move shared_h, console_h to cygheap. Add mount_h.
* cygheap.h (init_cygheap): Add shared_h, console_h.
* cygheap.cc (init_cheap): Initialize heap at a fixed location after the shared
memory regions. Initialize cygheap->user name here.
* dcrt0.cc (dll_crt0_1): Call getpagesize () to initialize constants. Remove
cygheap_init since it is done in shared_init now.
(_dll_crt0): Initialize mount_h, remove shared_h and console_h initialization.
* fhandler_console.cc (console_shared_h): Eliminate.
(get_tty_stuff): Use cygheap->console_h rather than console_shared_h.
* heap.cc (heap_init): Use page size constant calculated earlier in
initialization.
* shared.cc: Eliminate cygwin_shared_h. Add cygwin_mount_h.
(mount_table_init): New function for initializing a user mount table.
(open_shared_file_map): Use constant for shared memory region. Initialize
cygheap and mount table here.
(open_shared): Improve debugging output.
(shared_info::initialize): Eliminate call to mount.init.
(shared_terminate): Use cygheap->shared_h. Close cygwin_mount_h.
(open_shared_file_map): Eliminate.
* shared_info.h (mount_info): Add a version field.
(shared_align_past): New macro for calculating location for shared memory
regions.
* sigproc.cc (init_child_info): Eliminate shared_h, console_h.
* spawn.cc (spawn_guts): Pass on cygwin_mount_h iff not a different user.
* syscalls.cc (system_info): New global holding system memory defaults.
(getpagesize): Use system_info.
* uinfo.cc (internal_getlogin): Only fill in user name if nonexistent.
* winsup.h: Declare system_info.
* passwd.cc (read_etc_passwd): Use cygheap->user.name () rather than retrieving
the name again.
signal mask so that stacked signals behave correctly.
(sigdelayed): Avoid a race where a signal could end up calling an incorrect
signal handler if two signals come in close together.
* exceptions.cc (sig_handle_tty_stop): Move setting of PID_STOPPED to earlier
in interrupt.
((interrupt_setup): i.e., here.
(sig_handle): Don't queue multiple SIGSTOPS.
* fhandler.h (bg_check_types): Enumerate return value of bg_check for clarity.
* signal.cc (kill_pgrp): Minor cleanup.
* fhandler_termios.cc (fhandler_termios::bg_check): Use enumerated type for
function return. Don't raise signal if a signal is already queued.
* fhandler_console.cc (fhandler_console::read): Use enumerated return type for
bg_check.
* select.cc: Ditto, throughout.
* read.cc: Ditto, throughout.
* termios.cc: Ditto, throughout.
(_read): YA interrupt detect simplification.
* wait.cc (wait4): Ditto.
the new page map.
(mmap_record): Change type of base_address_ to caddr_t.
Add map_map_ member. Add several methods to manipulate map_map_.
(mmap_record::alloc_map): New method.
(mmap_record::free_map): Ditto.
(mmap_record::find_empty): Ditto.
(mmap_record::map_map): Ditto.
(mmap_record::unmap_map): Ditto.
(list::add_record): Change return type to `mmap_record *'.
Allocate page map.
(list::match): New method.
(mmap): Partly rewritten to take care for the new page map. Add some
parameter checking.
(munmap): Ditto.
* signal.cc (sigaction): Don't treat SIGCONT specially.
* exceptions.cc (interrupt_setup): Save sa_flags of interrupted signal for
later use.
(sig_handler): Default any stopping signal to SIGSTOP.
(call_signal_handler): New function.
(sigdelayed0): New function.
* sigproc.cc (sigproc_init): Initialize SIGSTOP sigaction for special behavior.
* sigproc.h: Define call_signal_handler.
* syscalls.cc (_read): Allow restartable signal behavior.
* environ.cc (codepage_init): To here.
* exceptoins.cc (SIG_NONMASKABLE): Remove SIGCONT from consideration since it
is supposed to be maskable.
* signal.cc (sigaction): Ditto.
* sigproc.cc (wait_sig): Ditto.
* winsup.h: Eliminate global declaration of codepage_init.
(setrlimit): Ditto.
Patch by David Sainty <David.Sainty@optimation.co.nz>:
* resource.cc (setrlimit): Prevent failing with an error when the
operation would not have changed anything.
* exceptions.cc (stackdump): Avoid creating stackdump when
`rlim_core' is 0.
* resource.cc: New global variable `rlim_core'.
(getrlimit): New function.
(setrlimit): Ditto.
include/cygwin/version.h: Bump minor API version to 32 due to
adding `getrlimit' and `setrlimit'.
include/sys/resource.h: Add defines, types and prototypes for
`getrlimit' and `setrlimit'.
`smbntsec'.
* path.cc (path_conv::check): Check path for being a remote path.
If so and `allow_smbntsec' is set to FALSE, set has_acls to FALSE.
* security.cc: Add global definition for `allow_smbntsec'.
* security.h: Add extern declaration for `allow_smbntsec'.
* fhandler.cc (fhandler_disk_file::open): Eliminate extern declaration
of `allow_ntsec'.
* syscalls.cc: Ditto.
method.
* fhandler_console.cc (fhandler_console::read): Revert previously misapplied
patch.
(fhandler_console::char_command): Add a second argument.
(fhandler_console::write): Recognize when a '?' is found after a <esc>[.
* dcrt0.cc (dll_crt0_1): Translate command line to OEM if current codepage is
OEM.
* environ.cc: Add new option 'codepage' to CYGWIN environment variable.
* fhandler_clipboard.cc (fhandler_clipboard::read): Read clipboard in OEM mode
if current codepage is OEM.
* fhandler_console.cc (fhandler_console::read): Only translate console input if
current codepage is ANSI.
* fhandler_console.cc (fhandler_console::write_normal): Translate output data
if current codepage is ANSI.
* pinfo.cc (codepage_init): New function. Setup current codepage from CYGWIN
environment variable and set codepage for file APIs.
* security.cc (read_sd): Translate file name to it if current codepage is OEM.
* winsup.h: (sys_wcstombs,sys_mbstowcs): Use current codepage for translations
between multibyte and widechar string and vice versa.
beginning of a path. These should be treated specially regardless of whether
they are UNC paths or old-style //a paths. Avoid adding cwd to a path if the
path already begins with '/'.
Always check for MAX_PATH overrun. Avoid adding one too many backslashes when
src path begins with a slash. From Corinna Vinschen.
* winsup.h: Force demangling for dll_crt0 for newer compilers.
condition.
* path.cc (path_conv::check): Get file system type in call to
GetVolumeInformation to check for file systems with buggy CreateFile.
* path.h (enum path_types): Add PATH_HASBUGGYOPEN.
(class path_conv): Add methods `has_buggy_open' and
`set_has_buggy_open'.
(fhandler_base::raw_read): Detect special case where last error ==
ERROR_NOACCESS but the file is at EOF. Most UNIXes do not consider this to be
an error.
(fillin_info): Set `dwBufferSize' to the size of the console buffer.
(clear_screen): Use width of console buffer to calculate how many spaces to
clear.
* exceptions.cc (interrupt_setup): Don't set signal mask here or races occur
with main thread. Set it in sigdelayed instead.
(sigreturn): Reflect change in stack order of ebp and flags.
(sigdelayed): Set stack frame correctly. Call set_process_mask here with flags
for last trapped signal.
(signal_dispatch): Add newmask.
* sigproc.cc (wait_sig): Eliminate ill-considered attempt to halt looping
signal processors.
* child_info.h (child_info): Eliminate parent_alive.
* dcrt0.cc (dll_crt0_1): Call fork_init for debugging pid creation.
* fork.cc (fork_child): Reflect change to fixup_mmaps_after_fork arguments.
(slow_pid_reuse): New function to grab last 'n' pids to prevent pid reuse.
(fork_parent): Move last_fork_proc into slow_pid_reuse. Handle fork_pids
debugging. Eliminate unnecessary call to set_child_mmap_ptr.
(fork_init): New debugging function.
* mmap.cc (fixup_mmaps_after_fork): Renamed from recreate_mmaps_after_fork.
Rely on copied data after a fork.
(set_child_mmap_ptr): Eliminate.
* pinfo.h (_pinfo): Eliminate parent_alive, mmap_ptr and reflect above changes.
* spawn.cc (spawn_guts): Eliminate vestiges of "old way" of sending new hProc
to parent process.
(cygheap_root::~cygheap_root): Ditto.
(cygheap_root::operator=): Ditto.
(cygheap_user::~cygheap_user): Ditto.
(cygheap_user::set_name): Ditto.
(cygheap_user::set_logsrv): Ditto.
(cygheap_user::set_domain): Ditto.
(cygheap_user::set_sid): Ditto.
* cygheap.h (cygheap_root): New class.
(cygheap_user): Ditto.
(init_cygheap): Change type of `root' member to cygheap_root.
Add `user' member.
* dir.cc (opendir): Use new `cygheap_root' class.
* dcrt0.cc (dll_crt0_1): Use new `cygheap_user' class.
* fork.cc (fork_parent): Ditto.
* grp.cc (getgroups): Ditto.
* passwd.cc (search_for): Ditto.
* path.cc: Use new `cygheap_root' class throughout.
* pinfo.h (_pinfo): Remove `use_psid'. Move `username', `psid',
`logsrv', `domain', `orig_{uid,gid}' and `real_{uid,gid}' to
cygheap_user class.
* security.cc: Use new `cygheap_user' class throughout.
* shared.cc (sec_user): Ditto.
* sigproc.cc (proc_subproc): Remove copy statements for user
related information moved to `cygheap_user' class.
* spawn.cc (spawn_guts): Invalidate current chroot settings
when creating Windows environment. Use new `cygheap_user' class.
* syscalls.cc: Use new `cygheap_user' class throughout.
* uinfo.cc: Ditto.
* uinfo.cc (internal_getlogin): Change parameters to reflect the
move of user information to cygheap.
heap.
* child_info.h (child_info): Change pointer type of cygheap to init_cygheap.
* cygheap.cc (init_cheap): Point cygheap_max after contents of cygheap. Move
some stuff into cygheap.h.
* dir.cc (opendir): Change to use root and rootlen in cygheap rather than in
myself.
(mkdir): Change to use umask in cygheap rather than in myself.
* path.cc: Ditto, throughout.
* syscalls.cc (_open): Ditto. Change to use umask in cygheap rather than in
myself.
(chroot): Change to allocate root dir on the cygwin heap.
(umask): Change to use umask in cygheap rather than in myself.
(cygwin_bind): Ditto.
* sigproc.cc (proc_subproc): Don't copy umask or root stuff as this happens
automatically now.
* pinfo.h (_pinfo): Migrate stuff out of here and into init_cheap.
* dcrt0.cc (dll_crt0_1): Call cygheap_init later in startup for first cygwin
process.
(dll_crt0_1): Disable case-insensitive globbing before calling `main'.
* environ.cc (glob_init): New static function to set or clear
`ignore_case_with_glob'.
(known): Changed "glob" entry to call `glob_init'.
* glob.c (match): Use case-insensitive globbing if needed.
conjunction with older binaries.
(environ_init): Ditto.
* external.cc (get_cygdrive_info): New function.
* external.cc (get_cygdrive_prefixes): Change to use get_cygdrive_info but toss
the user and system flags.
* external.cc (cygwin_internal): Add new CW_GET_CYGDRIVE_INFO case.
* path.cc (mount_info::get_cygdrive_prefixes): Remove method.
* path.cc (mount_info::get_cygdrive_info): New method. Actually,
get_cygdrive_info is really an enhanced version of get_cygdrive_prefixes
renamed to get_cygdrive_info that also gets the user and system flags.
* shared_info.h (get_cygdrive_prefixes): Remove method.
* shared_info.h (get_cygdrive_info): New method.
* include/cygwin/version.h: Bump minor API version due to adding
CW_GET_CYGDRIVE_INFO to cygwin_internal.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_CYGDRIVE_INFO.
(dll_crt0_1): Move sigthread lock initialization to earlier in startup.
* exceptions.cc (interrupt_on_return): Remove previous kludgy attempt to detect
an invalid frame.
(call_handler): Eliminate inner for loop. Grab signal critical section lock
where appropriate.
* sigproc.cc (proc_subproc): Restore uid setting.
* sigproc.h (sigthread): Reinstitute sigthread lock as a critical section.
(sigframe): Grab the sigthread lock before clearing frame to avoid having the
signal thread use an invalid frame.
parent handle.
* dcrt0.cc (_dll_crt0): Close parent's parent handle when spawned or forked.
* debug.cc (add_handle): Correct erroneous reference to handle structure when
printing warning.
* exceptions.cc (interrupt_now): Always return 1.
(interrupt_on_return): Accept a sigthread argument. Check to see if this
argument has been trashed prior to setting up the stack return.
(call_handler): Add a loop around attempts to dispatch signals to detect case
where interrupt_on_return fails.
(_sigdelayed): Set up a temporary frame pointer prior to calling stuff that
could trigger an interrupt or the stack walking code will be very confused.
* fork.cc (fork_parent): Move a lot of the setup of the child process into
proc_subproc.
* spawn.cc (spawn_guts): Ditto. Use ppid_handle to contact logical parent when
reparenting.
* pinfo.h (_pinfo): Remember the logical handle of the parent process.
* sigproc.cc (proc_subproc): Record most stuff necessary for the _pinfo
structure that is inferrable from myself when adding children.
(wait_sig): Always set 'pending_signals' flag when about to kick off the signal
scanning loop. Reset it only if there are no pending signals.
(winpids::enumNT): New method renamed from EnumProcessesNT. Use add method to
add elements to the lists.
(winpids::enum9x): New method renamed from EnumProcesses9x. Use add method to
add elements to the lists.
(winpids::enum_init): Accept 'winpid' parameter to control whether to add all
windows pids to the list.
(winpids::release): New method.
* pinfo.h (winpids): Reflect above changes.
* signal.cc (kill_pgrp): Ditto.
* external.cc (fillout_pinfo): Ditto.
execed process to avoid a race.
* sigproc.cc (wait_subproc): Print more info when a WFSO error occurs.
* automode.c: New file.
* syscalls.cc (close_all_files): Streamline slightly.
* cygheap.cc (ccalloc): Clear *entire* allocated array.
(EnumProcesses9x): Rename from EnumProcessesW95. Change arguments to be more
useful for cygwin.
(winpids::init): Accomodate argument changes.
(enum_init): Ditto.
* pinfo.h (winpids): Make pidlist dynamically extendable by storing it as a
pointer and remembering the size.
* ntdll.h: Add extra definitions needed for EnumProcessesNT. Reformat via
'indent'.
(sigreturn): Construct pseudo-frame-pointer so that signal handler can figure
out where to put return address when signals are coming in quickly.
* path.cc (cwdstuff::get): Allow length 0 buffer length when buffer when NULL.
`fixup_after_fork'.
* fhandler_raw.cc (fhandler_dev_raw::fhandler_dev_raw): Add
`set_need_fixup_after_fork' call.
(fhandler_dev_raw::~fhandler_dev_raw): Revert to user space
allocation.
(fhandler_dev_raw::open): Ditto.
(fhandler_dev_raw::dup): Ditto. Reset buffer pointer.
(fhandler_dev_raw::fixup_after_fork): New function.
* fhandler_tape.cc (fhandler_dev_tape::open): Revert to user space
memory allocation.
(fhandler_dev_tape::ioctl): Ditto. Change behaviour on MTSETBLK when
new size is 1.
cnt_need_fixup_before accordingly.
(dtable::dup2): Ditto.
(dtable::fixup_before_fork): New method.
(dtable::fixup_before_exec): Ditto.
* dtable.h (class dtable): Add member `cnt_need_fixup_before'. Add
definition for methods `dec_need_fixup_before', `inc_need_fixup_before',
`need_fixup_before', `fixup_before_exec' and `fixup_before_fork'.
* fhandler.h (class fhandler_base): Slight rearrangements. Add
definitions for methods `fixup_before_fork_exec'.
(class fhandler_socket): Eliminate superfluous constructor.
Add member `prot_info_ptr'. Add destructor. Add definitions for
methods `dup', `fixup_before_fork_exec', `fixup_after_fork' and
`fixup_after_exec'.
* fork.cc (fork_parent): Care for file types which need a fixup
before fork. Start child in suspended state then.
* net.cc: New global variable `ws2_32_handle' and `wsadata'.
(fdsock): Check for Winsock version. Call `set_socket_inheritance'
only if Winsock version < 2.0. Care for `need_fixup' count in fdtab.
(cygwin_socket): Eliminate call to `set_socket_inheritance'.
(cygwin_accept): Ditto.
(cygwin_rcmd): Ditto.
(cygwin_rresvport): Ditto.
(cygwin_rexec): Ditto.
(socketpair): Ditto.
(fhandler_socket::fhandler_socket): Set `need_fork_fixup'. Allocate
space for the WSAPROTOCOL_INFOA struct used in fixup.
(fhandler_socket::~fhandler_socket): New destructor.
(fhandler_socket::fixup_before_fork_exec): New method.
(fhandler_socket::fixup_after_fork): Ditto.
(fhandler_socket::dup): Ditto.
(wsock_init): New static function.
(LoadDLLinitfunc (wsock32)): Rearranged.
(LoadDLLinitfunc (ws2_32)): New function.
(dummy_autoload): Add autoload statemants for `WSADuplicateSocketA'
and `WSASocketA'.
* spawn.cc (spawn_guts): Care for file types which need a fixup
before exec. Start child in suspended state then.
process has never created any children.
* fork.cc (fork): Set flag indicating that there is another process with our
process group.
* spawn.cc (spawn_guts): Ditto.
* pinfo.h (set_has_pgid_children): New methods for setting when process has
children in its process group.
* syscalls.cc (setpgid): Clear has_gid_children if pgid changes.
* fhandler_mem.cc: Move ntdll.dll specific definitions and
declarations to ntdll.h.
* sysconf.cc (sysconf): Add support for _SC_NPROCESSORS_CONF,
_SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES and _SC_AVPHYS_PAGES.
* path.h: Remove unneeded extern.
* spawn.cc (std_suffixes): Make static. Don't set dwProcessId here since it
makes the process unsignalable. Set strace flag that this is an execed process
stub.
* strace.cc (strace::vsprntf): Use strace flag to indicate when to visually
flag that this is an exec stub.
* include/sys/strace.h (strace): Add 'execing' flag.
* security.cc (write_sd): Call `set_process_privileges' on the first
call to `write_sd'.
(set_process_privileges): Eliminate adjusting SE_BACKUP_NAME privilege.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Eliminate.
* fork.cc (fork_parent): Avoid returning same pid twice in a row regardless of
OS.
* pinfo.cc (pinfo::init): Rename create argument to flags and treat it as such.
* signal.cc (set_sigcatchers): New function.
(signal): Use set_sigcatchers to increment or decrement sigcatcher tracker.
(sigaction): Ditto. Add debugging output.
* spawn.cc (spawn_guts): Always quote first argv[0] argument when it's a
COMSPEC shell.
finding execed processes twice.
* signal.cc (kill_pgrp): Ditto.
* spawn.cc (spawn_guts): Avoid passing first argument to CreateProcess when
running a windows shell so that CreateProcess will locate the shell.
Reorganize so that correct error is returned when CreateProcess fails.
is not available.
* dcrt0.cc (sigthread::init): Ditto.
(dll_crt0_1): Move set_process_privileges call (temporarily?) to pinfo_init.
(pinfo_init): Only call set_process_privileges when allow_ntsec.
* environ.cc (conv_start_chars): Cache a table of "first
characters" for environment variables needing conversion.
(getwinenv): Use it.
(environ_init): Create it, also check first chars for TERM and
CYGWIN.
* path.cc: Use lookup table for case insensitive comparisons.
active.
* syscalls.cc (_read): Don't clear errno.
* sigproc.cc (wait_sig): Don't scan the waiting process list after a SIGCHLD if
there are no zombies to reap.
* winsup.h: Use __builtin_strcmp.
* environ.cc (posify): Don't initialize len unless it is required
(from DJ Delorie <dj@redhat.com>).
PROC_ADDCHILD. Return 0 when terminated child has just been reparented.
(wait_subproc): Only send SIGCHLD when proc_subproc returns != 0.
* strace.cc (strace::vsprntf): Only strip .exe extension from program name.
* Makefile.in: include fhandler_clipboard.o in DLL_OFILES list.
* fhandler.h: add FH_CLIPBOARD to the devices enum.
(fhandler_dev_clipboard): new
* path.cc (windows_device_names): add "\\dev\\clipboard"
(get_device_number): check for "clipboard"
* dcrt0.cc: declare a few more functions from winuser.h
* dtable.cc (dtable::build_fhandler): check for FH_CLIPBOARD in
switch().
than once.
* fhandler_tty.cc (fhandler_tty_slave::open): Protect some handles.
(fhandler_tty_common::close): Use proper name when closing handles.
(fhandler_pty_master::close): Don't close to_slave or from_slave since they've
already been closed earlier in the function.
* sigproc.cc (proc_subproc): Don't protect vchild->hProcess. Expect that the
caller will do this, instead.
* tty.cc (tty_list::terminate): Use proper name when closing handles.
(tty::make_pipes): Protect some handles.
* dcrt0.cc (dll_crt0_1): Call signal_fixup_after_exec where appropriate. Set
myself->uid from parent version. Just use ThreadItem Init method. Close or
store hexec_proc as appropriate.
(_dll_crt0): Store user_data->forkee here so that proper tests can be made
subsequently.
(do_exit): Remove hExeced stuff.
* environ.cc (environ_init): Accept environ count as well as environ pointer.
* environ.h: Reflect above change.
* pinfo.cc (pinfo_init): Ditto. Accept environ count.
(fixup_in_spawned_child): Remove.
* spawn.cc (spawn_guts): Move signal code to dll_crt0_1. Don't suspend execing
process since it is no longer necessary. Store envc.
* exceptions.cc (signal_fixup_after_exec): New function.
(call_handler): Remove hExeced test.
* child_info.h (cygheap_exec_info): Store envc as well as envp.
(child_info_spawn): Store hexec_proc so that it can be closed in child.
* path.cc (normalize_posix_path): Avoid intermediate use of temporary cwd buf.
(normalize_win32_path): Ditto.
(cwdstuff::get_initial): Always set lock.
* sigproc.h: Remove hExeced.
* strace.cc (strace::vsprntf): Modify to accomodate for lack of hExeced.
* thread.cc (MTinterface::Init): Merge Init1 and ClearReent into this method.
(MTinterface::Init1): Eliminate.
(MTinterface::ClearReent): Eliminate.
* thread.h: Reflect above changes.
* include/sys/strace.h (strace): Make microseconds() public. Make various
functions 'regparm', throughout.
* pinfo.h (_pinfo): Inline simple signal manipulation functions. Requires
inclusion of thread.h which was removed from .cc files, where appropriate.
throughout.
* pinfo.cc: Eliminate signal manipulation functions.
(_pinfo::exit): Calculate total rusage for exiting process here.
* cygheap.cc (size2bucket): Eliminate.
(init_buckets): Ditto.
(_cmalloc): Calculate size and bits in a loop rather than going through a
function call.
(_crealloc): Use stored array index to calculate allocated size.
* spawn.cc (spawn_guts): Use _pinfo exit method to exit, calculating cpu usage.
console_handler_thread_waiter. It is obsolete.
(ctrl_c_handler): Don't use console_handler_thread_waiter.
* path.cc (hash_path_name): Fix handling of relative names. Make case
insensitive.
* path.h (suffix_info): Use initializers.
* pinfo.h (_pinfo): Avoid initializers for null case.
* resource.cc (fill_rusage): Zero rest of rusage structure.
* security.cc (set_process_privileges): Don't reopen parent process. Just use
hMainProc.
* signal.cc (signal): Track when a signal handler has been used.
(sigaction): Ditto.
* sigproc.cc (pchildren): Use default initializer.
(zombies): Ditto.
(sigproc_terminate): Avoid closing handles that will be closed on exit anyway.
(wait_sig): Send signal to "parent" on EXECing, not FORKing.
(wait_subproc): Send SIGCHLD here rather than in proc_wait to avoid potential
muto conflicts.
* sigproc.h (sigthread): Don't initialize to zero. It's the default.
* spawn.cc (spawn_guts): Fill in resources from exec parent prior to
termination.
* sync.h (muto): Don't initialize to zero.
* syscalls.cc (close_all_files): Use one lock around entire loop and call
fhandler close/release stuff directly.
(_read): Don't use ready_for_read if there are not signal handlers active.
* dcrt0.cc (dll_crt0_1): Fix display of "title".
(do_exit): Use pinfo exit method to exit.
(__api_fatal): Ditto.
* exceptions.cc (signal_exit): Ditto.
* fork.cc (fork_child): Remove debugging stuff. Use pinfo_fixup_after fork in
place of exec_fixup_after_fork.
* pinfo.cc (pinfo_fixup_after_fork): New method.
(pinfo_fixup_in_spawned_child): Ditto.
(_pinfo::exit): New method.
(_pinfo::init): Remove recursion. Detect pathological case where pinfo
structure already exists for new pid.
* pinfo.h (_pinfo): Reorganize slightly. Add new method and new function
declarations.
* sigproc.cc (proc_exists): Previous simplification was a little to simple.
Try harder to detect if a process exists.
(proc_terminate): Use PID_EXITED setting to determine if process is still
around.
(WFSO): Remove debugging statement.
(WFMO): Ditto.
* spawn.cc (exec_fixup_after_fork): Eliminate.
(spawn_guts): Always set old_title to NULL. Is it really needed? Move
hexec_proc to pinfo.cc. Call pinfo_fixup_in_spawned_child to eliminate handle
link after a spawn.
* include/sys/cygwin.h: Remove PID_NOT_IN_USE. Add PID_EXITED.
* net.cc: Change meaning of member `s' of struct host_errmap.
(set_host_errno): Fix error in loop condition.
(hstrerror): Ditto.
(herror): Add appropriate functionality.
* include/netdb.h: Add declaration of hstrerror.
* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 29.
parent.
* dcrt0.cc (do_exit): Don't cleanup pinfo on exit. That happens automatically
now.
* exceptions.cc (signal_exit): Ditto.
* fork.cc (fork_parent): Use stack_here value passed in from fork().
(fork): Figure out top of stack here and pass it to fork_parent.
* pinfo.cc (_pinfo::record_death): Eliminate.
* pinfo.h (_pinfo): Ditto.
* sigproc.cc (proc_exists): Simplify.
(proc_terminate): Ditto.
(remove_zombie): Don't cleanup pinfo stuff.
(wait_sig): Send subproc_ready signal whether execed or spawned.
* spawn.cc (spawn_guts): Always create subproc_ready event. Use it for both
exec and spawn.
(_spawnve): Send proper mode to spawn_guts when mode != _P_OVERLAY.
(child_info): Move some fields from child_info_spawn to here.
* cygheap.cc: Make cygheap pointers NOCOPY.
* dcrt0.cc (dll_crt0_1): Copy cygwin heap here regardless of whether we've been
forked or execed.
* dtable.cc (dtable::fixup_after_fork): Just release close-on-exec fds.
* exceptions.cc (stackdump): Respond to C warning.
* fork.cc: Reorganize to minimize stack copying.
(fork_child): New function.
(fork_parent): Ditto.
(sync_with_child): Don't suspend the forkee.
(sync_with_parent): Ditto. Make into a function.
* heap.cc (heap_init): Add some debugging output.
* path.cc (path_conv::check): Add an assertion.
(has_suffix): Ditto.
* security.cc (get_pw_sid): Defend against NULL.
* sigproc.cc (proc_subproc): Fix debugging output.
(wait_sig): Ditto.
* strace.cc: Make statics NO_COPY throughout.
(strace::vsprntf): Defend against NULL.
* fhandler.cc (fhandler_base::fstat): Move to inline method in fhandler.h.
(fhandler_base::set_io_handle): Ditto.
* fhandler.h (fhandler_base): Make some methods inline.
* fhandler_console.cc (fhandler_console::write_normal): Make buffer larger.
* sigproc.h (sigframe::sigframe): Actually use set ebp parameter correctly.
* spawn.cc (spawn_guts): Set dwProcessId when exec'ing. Just exit immediately
after reparenting.
* syscalls.cc: Sprinkle sigframe stuff throughout.
* wait.cc (wait4): Set signal frame here.
* dcrt0.cc (__api_fatal): Don't rely on small_printf to display errors. Always
display problems to the console, if possible.
member function `init'.
* fhandler_mem.cc: Add typedefs for NT internal data types
`SYSTEM_INFORMATION_CLASS' and `SYSTEM_BASIC_INFORMATION'.
Add prototype for `NtQuerySystemInformation' function.
(fhandler_dev_mem::fhandler_dev_mem): Takes over initialization task
from `init'. Use `NtQuerySystemInformation' function to evaluate the
size of physical memory instead of interval search.
(fhandler_dev_mem::init): Eliminated.
(fhandler_dev_mem::open): Don't call `init'.
(fhandler_dev_mem::read): Eliminate check for `init_phase'.
(dummy_autoload): Add load statement for `NtQuerySystemInformation'.
settings.
(dtable::fixup_after_fork): Ditto.
* exceptions.cc (set_sig_errno): Remove some debugging output.
* path.cc (path_conv::check): Don't OR need_directory with flags sent to
symlink_info::check.
(symlink_info::check): Use PATH_ALL_EXEC to determine when a file is
executable.
* path.h (path_types): Add PATH_ALL_EXEC.
(isexec): Use PATH_ALL_EXEC so that cygexec types will be considered
executable.
* pinfo.h (_pinfo): Add a process handle that is kept open throughout the life
of a cygwin pid.
* sigproc.cc (proc_exists): Remove hopefully obsolete stuff.
(proc_subproc): Set up process handle that is kept open throughout the life of
a cygwin pid. Reorganize PROC_WAIT stuff to use common code.
(proc_terminate): Close pid lifetime process handle.
(checkstate): Cleanup.
(stopped_or_terminated): Move zombie cleanup.
(remove_zombie): To here.
* spawn.cc (spawn_guts): Reorganize reparenting code for 1247th time.
* fhandler.cc (fhandler_base::open): Ditto.
* fhandler.cc (fhandler_base::fhandler_base): Ditto.
(fhandler_base::read): Ditto. Add more debugging output. Don't issue a \r
when \r\n detected.
* pipe.cc (make_pipe): Streamline slightly. Make debug output more
interesting.
* strace.cc (strace::vsprintf): Use __progname where appropriate to distinguish
strace output when exec'ing.
Add `unit' member.
* fhandler_mem.cc (fhandler_dev_mem): Initialize `unit' as well.
(init): Care for differences between /dev/mem, /dev/kmem (not
implemented yet) and /dev/port.
(open): Change debug message to reflect the device.
(mmap): New function.
(munmap): Ditto.
(msync): Ditto.
(fstat): Use unit when setting st_dev in stat structure.
* mmap.cc (mmap): Handle MAP_ANONYMOUS flag.
Change error handling slightly.
* path.cc (get_device_number): Handle /dev/port.
specific call when appropriate.
(__set_winsock_errno): Rename from set_winsock_errno. Accept function and line
as arguments.
* path.cc (path_conv::check): Continue the neverending battle to make cygwin
properly understand that path specs ending in a slash require that the path
refer to a directory. Windows does not do this by default.
(symlink_info::check): Remove ENOTDIR test. Move it to path_conv::check.
* path.h: Remove obsolete constant.
* winsup.h (set_winsock_errno): New macro.
These changes require rebuilding all.
=====================================
* fhandler.h: Add mmap(), munmap() and msync() to fhandler_base
and fhandler_disk_file.
* mmem.cc (mmap): Eliminated device dependent implementation details.
These are moved to the appropriate fhandler class.
(munmap): Ditto.
(msync): Ditto.
(fhandler_base::mmap): New method.
(fhandler_base::munmap): Ditto.
(fhandler_base::msync): Ditto.
(fhandler_disk_file::mmap): Ditto.
(fhandler_disk_file::munmap): Ditto.
(fhandler_disk_file::msync): Ditto.
`mem_size' and `init_phase'.
* fhandler_mem.cc (init): New function to figure out the size of
the physical memory.
(open): Add checking for illegal flags. Change usage of access mode.
(write): Add intended functionality.
(read): Add parameter checking. Eliminate page size constant. Use
getpagesize() instead. Don't touch errno and don't create debug output
while init() is running.
(lseek): Add bounds checking. Fix SEEK_END.
(fstat): Eliminate page size constant. Use getpagesize() instead.
(dup): Add intended functionality.
(_cmalloc): Reorganize to accomodate muto locking.
(_cfree): Use muto lock to avoid multi-thread problems.
* cygheap.h (incygheap): Just use cygheap_max to find upper cygwin heap bounds.
* dcrt0.cc (dll_crt0_1): Reinstitute cygheap_init call.
* path.cc (getcwd): Just return cwdstuff::get result, allowing correct handling
of negative length.
(cwdstuff::get): Malloc a buffer if one is not available.
* dtable.cc (dtable::build_fhandler): Add case for FH_MEM.
* fhandler.h: Add FH_MEM device type. Add class fhandler_dev_mem.
* fhandler_mem.cc: New file. Implementation of class fhandler_dev_mem.
* path.cc: Add /dev/mem to windows_device_names.
(get_device_number): Add FH_MEM type.
(_csbrk): Make logic for detecting when to alloc cognizant of initialization
condition.
(_cmalloc): Use a structure to hold bucket size and heap chain pointer. Store
pointer to next freed block in bucket size location so that it will be easy to
see if a block is allocated.
(_cfree): Store pointer to next freed block in bucket size location.
(_crealloc): Use macro to retrieve bucket size.
(cygheap_init): Eliminate.
(cygheap_fixup_in_child): Add second argument to determine if we were execed or
not. In execed case, walk the heap, cleaning up any orphaned blocks.
* cygheap.h: Add a "MAX" value to cygheap_types. Remove cygheap_init
declaration. Accomodate new argument to cygheap_fixup_in child.
* fork.cc (fork): Accomodate extra argument to cygheap_fixup_in_child.
* dcrt0.cc (dll_crt0_1): Ditto. Remove call to cygheap_init.
subfunctions instead.
(get_9x_ifconf): New function for 9X systems, called by get_ifconf.
(get_nt_ifconf): New function for NT systems, called by get_ifconf.
(get_2k_ifconf): New function for W2K systems, called by get_ifconf.
* fhandler.h (fhandler_socket::~fhandler_socket): Delete declaration.
* net.cc: Remove unnecessary "number_of_sockets" usage.
(fhandler_socket::fhandler_socket): Ditto.
(fhandler_socket::~fhandler_socket): Delete definition.
* spawn.cc (spawn_guts): Force first argument passed to CreateProcess as a
command line to be windows style.
* environ.cc (environ_init): Remember to reparse CYGWIN if envp is
supplied.
* heap.cc (_sbrk): Remember frame for signal handling.
* syscalls.cc (read_handler): Eliminate.
(_read): Move read_handler code here. Reorganize for one path through
'ready_for_read'.
* path.cc (path::check): Detect trailing slash before converting to windows
path. Tell symlink_info::check to check for directory if one is found.
(symlink_info::check): Set errno when path is not a directory if pflags &
PATH_NEEDDIR.
points have the cygdrive prefix.
* (mount_info::add_reg_mount): Properly catch errors on registry operations.
* (mount_info::write_cygdrive_info_to_registry): Ditto.
* (mount_info::del_reg_mount): Cosmetic changes to be consistent with other
methods.
* (mount_info::add_item): Check arguments more precisely. Increment nmounts
only when registry operations succeed.
only.
(spawn_guts): Use methods for manipulating most newargv stuff.
* child_info.h (child_info_spawn::~child_info_spawn): Avoid memory leaks in
cygheap.
* spawn.cc (spawn_guts): Ditto.
* dcrt0.cc (quoted): Return next character after a quoted string when not doing
special quote processing. Also ensure that non-NULL is returned in all circumstances.
* spawn.cc (spawn_guts): Ensure that argv[0] is correctly set to the full path
when a script is detected. Suggested by Kazuhiro Fujieda
<fujieda@jaist.ac.jp>.
* exceptions.cc (signal_exit): Don't terminate the main thread. Just try to
exit in this thread really quickly.
* signal.cc (kill_pgrp): Fix typo which caused pinfo structure to be assigned
incorrectly.
to strings of dots > 2 to be an error. Pass 'dir' argument to cygcwd.set.
(cwdstuff::set): Need to treat arguments from chdir differently.
* path.h (cwdstuff): Add an argument to set.
frame pointer rather than using this within the function, which is unstable
when this method is not inlined.
* net.cc: Eliminate use of second argument to sigframe.set throughout.
* select.cc (cygwin_select): Ditto.
* sigproc.cc (sig_send): Ditto.
throughout.
* shared.h: Remove.
* cygwin_version.h: New file.
* delqueue.h: New file.
* environ.h: New file.
* host_dependent.h: New file.
* perprocess.h: New file.
* registry.h: New file.
* security.h: New file.
Include sys/termios.h for files which need it.
* tty.h: New file.
* shared_info.h: New file.
* fhandler.h: Move inline methods that rely on tty stuff to
fhandler_console.cc.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Set
output_done_event immediately after reading data to speed up tty output
processing.
(process_output): Set write_error to errno or zero.
(fhandler_tty_slave::write): Check previous write error prior to writing to
slave end of pipe. This allows tty output to be slightly less synchronous.
* fhandler_console.cc (fhandler_console::tcsetpgrp): Moved here from
fhandler.h.
(fhandler_console::set_input_state): Ditto.
(cwd_posix): Eliminate.
(cwd_hash): Eliminate.
(cwdstuff::init): Rename from cwd_init.
(cwdstuff::fixup_after_exec): Rename from cwd_fixup_after_exec.
(cwdstuff::get): Rename from get_cwd_inner.
(normalize_posix_path): Eliminate cwd argument. Just calculate when necessary.
(normalize_win32_path): Ditto.
(mount_info::conv_to_win32_path): Eliminate cwd retrieval here.
(mount_info::conv_to_posix_path): Ditto.
(hash_path_name): Accomodate additional methods in cwdstuff.
(get_cwd_win32): Eliminate.
(getcwd): Use cwdstuff methods. Properly handle case where buf == NULL and len
< 0.
(cwdstuff::get_hash): New method.
(cwdstuff::get_initial): New method.
(cwdstuff::set): New method.
(cwdstuff::get): New method.
(cwdstuff::copy): New method.
* path.h: Move cwdstuff struct here. Add a bunch of stuff to cwdstuff. Make
cygcwd an extern.
* spawn.cc (spawn_guts): Use copy method to get copies of cwd info to pass to
execed process.
* dcrt0.cc (dll_crt0_1): Use cygcwd methods for cwd initialization.
* child_info.h: Add specific exec class.
* cygheap.h: New file. Contains declarations for cygwin heap.
* cygheap.cc: New file. Implements cygwin heap functions.
* dcrt0.cc (quoted): Simplify due to new method for passing arguments between
cygwin programs.
(alloc_stack_hard_way): Attempt to handle overlapped stack.
(dll_crt0_1): Move child_info processing here. Accomodate new method for
passing arguments between cygwin programs. Initialize cygwin heap. Establish
__argc and __argv variables.
(_dll_crt0): Move most of child_info processing to dll_crt0_1.
(cygwin_dll_init): Remove duplication.
* dtable.cc (dtable::extend): Allocate dtable using cygwin heap.
(dtable::build_fhandler): Ditto for fhandler type being constructed.
(dtable::dup_worker): Free new fhandler from cygwin heap on error.
(dtable::select_*): Don't assume that this == fdtab.
(dtable::linearize_fd_array): Delete.
(dtable::delinearize_fd_array): Delete.
(dtable::fixup_after_exec): New file.
(dtable::vfork_child_dup): Use cygwin heap.
(dtable::vfork_parent_restore): Ditto.
* dtable.h: Remove obsolete methods. Add new method.
* environ.cc (posify): Eliminate already_posix parameter and logic.
(envsize): New function.
(_addenv): Use envsize.
(environ_init): Accept an argument pointing to an existing environment list.
If supplied, allocate space for this in the the program's heap.
* fhandler.cc (fhandler_base::operator =): Move here from fhandler.h. Use
cygwin heap to allocate filenames.
(fhandler_base::set_name): Allocate/free names from cygwin heap.
(fhandler_base::linearize): Delete.
(fhandler_base::de_linearize): Delete.
(fhandler_base::operator delete): Free from cygwin heap.
(fhandler_base::~fhandler_base): Ditto.
* fhandler.h: Accomodate elimination of *linearize and other changes above.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Rename from
de_linearize.
* heap.h: New file.
* fhandler_tty.cc (fhandler_tty_slave::fhandler_tty_slave): Use cygwin heap for
name. fhandler_tty::fixup_after_exec): Rename from de_linearize.
* fork.cc (fork): Call cygheap_fixup_in_child.
* heap.cc: Use declarations in heap.h.
* malloc.cc: Sprinkle assertions throughout to catch attempts to free/realloc
something from the cygwin heap.
* path.cc: Throughout, eliminate use of per-thread cache for cwd. Use cwd_*
functions rather than cwd_* variables to access cwd_win32 and cwd_posix.
(cwd_win32): New function.
(cwd_posix): New function.
(cwd_hash): New function.
(cwd_fixup_after_exec): New function.
* path.h: Accomodate path.cc changes.
* pinfo.cc (pinfo_init): Accept a pointer to an environment table. Pass this
to environ_init. Eliminate old 'title' tests.
* pinfo.h: Accomodate above change in argument.
* spawn.cc (struct av): New method for building argv list.
(av::unshift): New method.
(spawn_guts): Allocate everything that the child process needs in the cygwin
heap and pass a pointer to this to the child. Build argv list using new
method. Eliminate delinearize stuff.
* thread.h: Eliminate _cwd_win32 and _cwd_posix buffers.
* winsup.h: Eliminate obsolete functions. Add envsize() declaration.
* exceptions.cc (unused_sig_wrapper): Remove _raise.
* sigproc.h (class sigframe): Default frames to skip to zero or suffer from
exuberant optimization.
* fhandler_tty.cc (fhandler_tty::write): Set appropriate errno when WriteFile
to pipe fails.
* pinfo.cc (pinfo::release): Move here from pinfo.h.
* sigproc.cc (proc_terminate): Remove bogus 'pinfo child' which caused strange
destruction of random regions of memory when destructor was invoked.
(_dll_crt0): To here.
(cygwin_dll_init): And here.
* external.cc (fillout_pinfo): Use more foolproof method for scanning for pids.
* pinfo.cc (set_myself): Eliminate myself_identity.init.
* sigproc.cc (wait_sig): Do it here instead to reduce the amount of time where
there could potentially be two processes with the same pid.
* spawn.cc (spawn_guts): Eliminate duplicate initialization.
* include/sys/cygwin.h: Mark unused PID_* elements.
exception handling on threads not created by cygwin.
* sigproc.cc (proc_terminate): Don't release pinfo structs since we are
exiting.
* include/sys/cygwin.h: Add CW_INIT_EXCEPTIONS.
(regopt): Use correct path to find LOCAL_MACHINE registry options.
* fhandler.cc (fhandler_base::open): Set binary mode only when binmode ==
O_BINARY.
* pipe.cc (pipe): Pipe handling should rely on binmode not _fmode now that the
two are different.
the process. Use new second argument to set_myself.
(cygwin_dll_init): Initialize exception list and constructor stuff here.
(_dll_crt0): And here. Also, deal with inherited pinfo shared memory region
from parent.
* pinfo.cc (set_myself): Accept a second argument signifying the a shared
memory region, passed from an execing parent.
(pinfo_init): Ditto.
* pinfo.h: Ditto.
* shared.h (child_info): Add a handle field to pass to child.
* spawn.cc (spawn_guts): Create a shared handle to pass to an execed child.
* winsup.h: Remove extraneous declaration.
required.
* errno.cc: Use DWORD to hold Windows errors.
(geterrno_from_win_error): New function.
(seterrno_from_win_error): Use geterrno_from_win_error to convert supplied
windows error (suggested by Corinna Vinschen).
* path.cc (symlink_info): Add error element.
* path.cc (path_conv::check): Remove errno setting. Use new symlink_info errno
element to set path_conv error, where appropriate.
(symlink_info::check): Set error element rather than attempting to manipulate
errno. Add more checks for trailing / and /.. even though they are currently
useless. Avoid setting EINVAL.
* path.cc (normalize_posix_path): Correct check for trailing /.
if fd is invalid. Return POLLERR for each valid fd if cygwin_select
returned with error.
include/sys/poll.h: Change POLLERR comment according to above change.
(cygwin_select): Move fd_set copying logic from ::wait to here. Use common
return through sell.poll.
(select_stuff::wait): Just return success or failure and let caller fill in
fd_set.
* pinfo.h (pinfo): Eliminate self-referential pointer to sidbuf since pinfo
structure exists at random locations now.
* fork.cc (fork): Use 'use_psid' element to control when the psid is relevant.
* shared.cc (sec_user): Ditto.
* spawn.cc (spawn_guts): Ditto.
* uinfo.cc (internal_getlogin): Ditto.
* syscall.cc (seteuid): Ditto. Set use_psid element.
since we are already bounds checked by default.
* thread.cc (ResourceLocks::Lock): Streamline this function since it is called
a lot.
(ReleaseResourceLock): Ditto.
recovery.
* spawn.cc (spawn_guts): Reorganize slightly to consolidate handling when there
is a CreateProcess error.
(_spawnve): Only longjmp back to vfork handling when a process has been
successfuly started.
* winsup.h (vfork_save): Extend to include frame info. Remove obsolete cpplus
conditionals.
* *.cc: put winsup.h before other headers (for __INSIDE_CYGWIN__);
use cur_environ() instead of just environ
* times.cc: remove import protections
* glob.c: add winsup.h
* localtime.c: ditto
* smallprint.c: ditto
* Makefile.in: don't __INSIDE_CYGWIN__ as it messes up profiling.
variable argument macros when possible.
* sigproc.cc: Throughout, use sigproc_printf rather than sip_printf.
* strace.cc (strace::prntf): Remove 'active' check, since callers are supposed
to ensure this.
(__system_printf): Remove. Subsumed by strace::prntf.
* winsup.h: Define "NEW_MACRO_VARARGS" to indicate when to use new macro
varargs capability.
(get_nonascii_key): Simplify previous patch to return ascii char if it is
non-zero. Add a second "temporary buffer" argument to help with thread safety.
* select.cc (peek_console): Pass a temporary buffer argument to
get_nonascii_key.
the changes below. Redefine process structure to avoid a fixed size table.
Redefine pinfo/_pinfo classes. Use these throughout.
* dcrt0.cc (dll_crt0_1): Accomodate set_myself argument change.
(__api_fatal): Accomodate _pinfo::record_death argument change.
* exceptions.cc (really_exit): Ditto.
(sig_handle_tty_stop): Use pinfo constructor to access process info.
(events_init): Don't create pinfo_mutex since it is no longer required.
* external.cc (fillout_pinfo): Use winpids class to iterate over all system
pids.
(cygwin_internal): lock_pinfo_for_update and unlock_pinfo are now noops.
* fhandler_termios.cc (fhandler_termios::set_ctty): Use pinfo constructor to
access process info.
* fork.cc (fork): Reorganize to initialize child info after the child has
started since that is when we know the child's winpid, which is necessary to
allocate the pinfo shared memory.
* mmap.cc (recreate_mmaps_after_fork): Change arg type to _pinfo.
* pinfo.cc: Rename pinfo methods to _pinfo throughout. Eliminate pinfo_list
stuff.
(set_myself): Accept a pid argument now. Call pinfo initializer to initialize
myself. Detect when this is an "execed" process and create an "indirect" pid
block.
(pinfo_init): Accomodate set_myself arg change.
(procinfo): Remove.
(pinfo::lock_pinfo): Remove.
(pinfo::unlock_pinfo): Remove.
(pinfo::init): New method. Allocates shared memory space for process pinfo
structure.
(pinfo::record_death): Don't call locking functions.
(cygwin_winpid_to_pid): Simplify by using new pinfo constructor.
(EnumProcessesW95): New function for iterating over processes on Windows 95.
(winpids::winpids): New constructor for winpids class. Sets up a list of
process ids.
(enum_init): Initialize w95/wnt pid enumerators.
* shared.cc (shared-info::initialize): Remove pid initialization.
* shared.h: Move pinfo stuff into pinfo.h.
(class shared_info): Remove pinfo_list element.
* signal.cc (kill_worker): Use pinfo constructor to access process info.
(kill_pgrp): Ditto. Use winpids methods to access list of processes.
* sigproc.cc: Throughout, modify to use _pinfo where appropriate.
(proc_exists (pid_t)): New function. Determines if a process exists based on
the pid.
(proc_exists (_pinfo *p): Use new proc_exists function above.
(proc_subproc): Copy pinfo stuff around rather than _pinfo pointers. Try to be
careful about releasing shared memory when we don't need it anymore. Remove
pinfo locks.
(remove_zombies): Remove pinfo memory when zombie is going away.
* sigproc.h: Reflect _pinfo/pinfo changes in sigproc.cc.
* spawn.cc (spawn_guts): Eliminate pinfo *child argument. Reorganize to only
initialize child pinfo after process has been started and we know the windows
pid.
(_spawnve): Reflect spawn_guts changes.
* syscalls.cc (setpgid): Use pinfo constructor to access process info.
(getpgid): Ditto.
(internal_getlogin): Use _pinfo.
* winsup.h: Eliminate pinfo_mutex. Eliminate spawn_guts declaration since it
is static now. Reflect set_myself argument change.
* include/sys/cygwin.h: Add some PID_* enums to accomodate new pinfo stuff.
* include/cygwin/version.h: Update minor version for cygdrive changes below.
* lib/cygwin_crt0.c: Inexplicably need to define alloca for newer compilers.
* fhandler.h (fhandler_console): Add new method.
* fhandler.cc (fhandler_console::set_cursor_maybe): New method.
(fhandler_console::read): Set cursor if it has moved to make it visible.
* external.cc (get_cygdrive_prefixes): New function.
(cygwin_internal): Add CW_GET_CYGDRIVE_PREFIXES case.
* path.cc (mount_info::read_cygdrive_info_from_registry): Read system cygdrive
prefix if user one is undefined.
(mount_info::write_cygdrive_info_to_registry): Write cygdrive prefix to the
appropriate registry hive. Overwrite in-memory copy of cygdrive, if
appropriate.
(mount_info::remove_cygdrive_info_from_registry): New method.
(mount_info::get_cygdrive_prefixes): New method.
(cygwin_umount): Remove cygdrive prefix, if appropriate.
* registry.cc (reg_key::killvalue): New method.
* shared.h (class reg_key): Add killvalue, remove_cygdrive_info_to_registry,
and get_cygdrive_prefixes declarations.
* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_CYGDRIVE_PREFIXES.
EXIT_SIGNAL bit and reorganizes exit value for backwards cygwin handling.
(handle_exceptions): Call signal_exit. Set "core dumped" bit.
(sig_handle): Call signal_exit. Set "core dumped" bit appropriately.
(_addenv): Remove check_null_empty_path from here.
(putenv): Call check_nullempty_path.
(setenv): Call check_nullempty_path for name as well here.
Don't report an error if value is empty string.
(environ_init): Revert usage of newp.
Change type to enum. Change storage class to static. Adjust comments.
(read_etc_passwd): Set passwd_state to different values when loaded
from file in contrast to being emulated.
(search_for): Return default passwd entry if passwd is emulated or
it's a request for the current user. Otherwise return NULL.
pseudo randomness.
* fhandler_random.cc: Rearrange. Use pseudo random number generator
as entropy source if system entropy isn't available and if device is
used as /dev/urandom. Allow initializing device by calling write().
to be set when variable blocksize mode is on.
* fhandler_raw.cc: Eliminate `\n' from trace output.
(clear): Set `varblkop' to 0.
(dup): Copy varblkop as well.
(writebuf): Care for variable blocksize.
(open): Ditto.
(raw_read): Ditto.
(raw_write): Ditto.
* fhandler_tape.cc (open): Ditto.
(ioctl): Ditto. Some cleanups.
* winsup.h: Add new macros sys_wcstombs and sys_mbstowcs.
* syscalls.cc (_link): Replace calls to mbstowcs by call to
sys_mbstowcs.
* uinfo.cc (internal_getlogin): Replace calls to wcstombs and
mbstowcs by calls to sys_wcstombs and sys_mbstowcs. Replace
usage of constants by meaningful defines. Use result of
GetSystemDirectory for HOMEPATH and HOMEDRIVE as a last resort.
* syscalls.cc (chroot): Set new root for process.
* path.cc (getcwd_inner): Add parameter to force use of
new root from chroot() call.
(ischrootpath): New macro.
(normalize_posix_path): Care for changed root dir.
(normalize_win32_path): Ditto.
(getcwd_inner): Ditto.
(chdir): Eliminate trailing path component consisting
entirely of dots.
* fork.cc (fork): Copy pinfo members regarding chroot().
* spawn.cc (_spawnve): Ditto.
* dir.cc (opendir): Don't use computed win32 path if
chroot() took place.
for second argument.
* path.h: Generalize SYMLINK_* constants to PC_*.
(path_conv): Create a new method. Fold third argument into second.
* dll_init.cc (dll_list::alloc): Try harder to find space to allocate dll
struct.
(dll_dllcrt0): Don't check sanity if we've already called dll_crt0.
* path.cc (path_conv::check): Don't check for a null or empty path unless
specifically told with a flag setting.
(check_null_empty_path): New function, adapted from macro.
* syscalls.cc (_rename): Use already-determined file attributes rather than
checking again.
* lib/cygwin/cygwin_attach.dll.c (cygwin_attach_dll): Use a static per_process
structure since this is apparently supposed to be zeroed.
* lib/cygwin_crt0.c (cygwin_crt0): Zero per_process structure sent to older
DLLs.
(environ_init): Explicitly initialize __cygwin_environ.
(cur_environ): New function. Detects when user has updated their environment.
* exec.cc: Use 'environ' define throughout rather than __cygwin_environ.
* spawn.cc: Ditto.
* winsup.h: Declare cur_environ, main_environ, environ.
detect when there are no fds to pass.
* dcrt0.cc (host_dependent_constants::init): Revert Sat Mar 18 01:32:04 2000
change.
(dll_crt0_1): Set "cygwin_finished_initializing" flag.
(dll_crt0): Don't perform memcpy if uptr is already set to internal structure.
(_dll_crt0): Remember location of programs envptr.
* dll_init.h (per_module, dll, dll_list): Revamp.
* dll_init.cc: Revamp. Use new classes.
* fork.cc (fork): Use new revamped dll, dll_list, and per_module stuff.
* environ.cc: Use __cygwin_environ throughout rather than the
user_data->envptr.
* exec.cc: Ditto.
* spawn.cc: Ditto.
* winsup.h: Declare update_envptrs, cygwin_finished_initializing.
* lib/_cygwin_crt0_common.cc (_cygwin_crt0_common): Revert previous change.
* lib/cygwin_attach_dll.cc (cygwin_attach_dll): Always pass in own per_process
structure or we end up overwriting information from the main program.
an fd.
* external.cc (cygwin_internal): Add handling of perfile_table setting.
* fhandler.cc (perfile_table): New global.
(fhandler_base::get_default_fmode): New method to return a file's default mode
based on its name.
(fhandler_base::open): Use get_default_mode method to determine a file's mode.
Record file mode in file flags.
* fhandler.h (fhandler_base): Declare get_default_fmode
* syscalls.cc (getmode): New function.
* sys/cygwin.h (__cygwin_perfile): New structure.
(cygwin_getinfo_types): Move outside of WINVER conditional.
(per_process): Move inside of WINVER conditional.
* include/sys/cygwin.h: Allow definition of per_process even when not compiling
with C++.
(cygwin_getinfo_types): Add CW_USER_DATA.
* lib/_cygwin_crt0_common.cc (_cygwin_crt0_common): Get __cygwin_user_data
pointer from cygwin_internal. If it doesn't exist, return failure. Use either
this pointer or passed in pointer throughout. Clear forkee.
* lib/crt0.h: Accomodate argument changes to _cygwin_crt0_common.
* lib/cygwin_attach_dll.c (cygwin_attach_dll): Reorganize to allow use of newer
binaries with older DLLs. Detect older DLLs when _cygwin_crt0_common returns 0
and allocate space for a per_process structure on the stack.
* lib/cygwin_crt0.c (cygwin_crt0): Ditto.
(dll_crt0_1): Eliminate user_data initialization.
(dll_crt0): Set up impure_ptr_ptr for older executables.
(cygwin_dll_init): Eliminate user_data initializations.
(__api_fatal): Don't check for user_data initialization.
* dll_init.cc (struct dll): Store entire contents of per_process rather than
just a pointer.
(add): Ditto.
(initOneDll): Don't check for user_data initialization.
(DllList::recordDll): Store contents of per_process argument.
(DllList::detachDll): Pass address of per_process field.
(DllList::initAll): Ditto.
(DllList::doGlobalDestructorsOfDlls): Ditto.
(DllListIterator::operator *): Ditto.
(dll_dllcrt0): Default to __cygwin_user_data if arg is NULL.
* include/sys/cygwin.h: Reorganize per_process to eliminate obsolete fields and
accomodate new way of initializing.
* lib/_cygwin_crt0_common: Initialize _impure_ptr from
__cygwin_user_data.impure_ptr.
* (dummy_autoload): Add functions used in fhandler_console.
* fhandler_console.cc (fhandler_console::read): Use ENCHANCED_KEY flag to
distinguish extended keys. Translate an input character from the OEM code page
to the ANSI code page.
* (fhandler_console::write_normal): Translate output characters from the ANSI
code page to the OEM code page.
* syscalls.cc (_link): Use MultiByteToWideChar instead of OemToCharW.
(handle_exceptions): Be more assertive in finding ebp for use under W2K.
Create a dummy stack frame for cases where program is dying and a stack dump is
being output.
(sig_handle): Fill out a GetThreadContext for use with a user-generated "core
dump".
* fork.cc (fork): Use above defines instead of numerical constants.
* shared.cc (sec_user): Ditto.
* shared.h (class pinfo): Ditto.
* syscall.cc (seteuid): Ditto.
* spawn.cc (_spawnve): Ditto. Eliminate conditional.
(spawn_guts): Set child->uid = USHRT_MAX when user context will be
changed in child process.
* uinfo.cc (uinfo_init): Check for myself->uid instead of myself->psid
to avoid reloading of /etc/passwd on process startup if ntsec is off.
Use above defines instead of numerical constants.
* security.cc: Move define for MAX_SID_LEN to winsup.h.
appropriate.
(LIBCOS): Find additional stub library stuff in their own subdirectory.
* dcrt0.cc: Convert user_data pointer to static __cygwin_user_data area.
(do_global_ctors): Check magic_bisquit for initialization.
(dll_crt0_1): First group of premain functions prior to fd initialization. Run
second group before calling main.
(dll_crt0 ()): New function, called from new initialization code.
(dll_crt0 (per_process *uptr)): Call new dll_crt0 () function on
initialization.
* debug.cc (thread_stub): Initialize bottom of stack with per-thread info.
* environ.cc (parse_thing): Use binmode global to control CYGWIN=binmode
behavior.
* fhandler.cc (fhandler_base::open): Allow explicit setting of __fmode to
O_BINARY or O_TEXT to override disk mount settings.
* libcmain.cc: Move to lib subdirectory.
* libccrt0.cc: Ditto.
* dll_main.cc: Ditto.
* dll_entry.cc: Ditto.
* getopt.c: Ditto.
* thread.cc (thread_init_wrapper): Call ExitThread explicitly rather than
returning, as a preliminary step towards placing per thread info at the bottom
of the stack.
* winsup.h: Move per_process class to include/sys/cygwin.h. Declare new
dll_crt0().
* include/cygwin/version.h: Bump API minor version.
* binmode.c: New file.
* textmode.c: Ditto.
* lib/_cygwin_crt0_common.cc: Ditto.
* lib/crt0.h: Ditto.
* lib/cygwin_attach_dll.c: Ditto.
* lib/cygwin_crt0.c: Ditto.
* lib/dll_entry.cc: Ditto.
* lib/dll_main.cc: Ditto.
* lib/getopt.c: Ditto.
* lib/libcmain.c: Ditto.
* lib/premain0.c: Ditto.
* lib/premain1.c: Ditto.
* lib/premain2.c: Ditto.
* lib/premain3.c: Ditto.
internal_getlogin().
* uinfo.cc (internal_getlogin): Use impersonation token instead
of process token in case of active impersonation. Add some comments.
(uinfo_init): Initializing myself->token and myself->impersonated
before calling internal_getlogin(). Add some comments.
* spawn.cc (_spawnve): Ditto.
* passwd.cc: Remove static from `passwd_in_memory_p'.
(read_etc_passwd): Remove static.
* uinfo.cc: Move global declaration of `read_etc_group' and
`group_in_memory_p' into `uinfo_init'.
(internal_getlogin): Try to get SID from current process first.
(uinfo_init): Don't set uid and gid if `myself' has a valid SID.
Only load /etc/passwd and /etc/group in that case.
for existing user hive.
Use MAX_PATH instead of numerical constant for array size.
Use return code of RegLoadKeyA instead of GetLastError for error output.
and `RegLoadKeyA'.
* registry.cc (get_registry_hive_path): New function.
(load_registry_hive): Ditto.
* security.cc (convert_sid_to_string_sid): New function.
(get_ssid): Renamed to `convert_string_sid_to_sid'.
(get_pw_sid): Call `convert_string_sid_to_sid' instead of `get_ssid'.
(get_gr_sid): Ditto.
(get_admin_sid): Ditto.
(get_system_sid): Ditto.
(get_creator_owner_sid): Ditto.
(get_world_sid): Ditto.
* shared.h: New prototypes for `get_registry_hive_path' and
`load_registry_hive'.
* spawn.cc (spawn_guts): Set child->psid to NULL to force calling
`internal_getlogin' from child process in case of changing user context.
Call `load_registry_hive' in case of changing user context.
(_spawnve): Copy user infos only if user context remains the same.
* uinfo.cc: Add load statement for `NetUserGetInfo'.
Remove load statement for `NetGetDCName'.
(internal_getlogin): Rewrite to speed up process startup
and to correct user environment in case user context changes.
(uinfo_init): Call internal_getlogin only if myself->psid is NULL,
that is user context changes.
* winsup.h: Add prototypes for `convert_sid_to_string_sid',
`convert_string_sid_to_sid' and `get_pw_sid'.
`cygwin_set_impersonation_token'.
* dcrt0.cc (dll_crt0_1): Eliminate superfluous conditional
statements.
Add load statements for `ImpersonateLoggedOnUser', `LogonUserA'
and `RevertToSelf'.
* fork.cc (fork): Care for correct impersonation of parent
and child process.
* security.cc (cygwin_set_impersonation_token): New function.
(cygwin_logon_user): Ditto.
shared.h (class pinfo): New members `orig_uid', `orig_gid',
`real_uid' nad `real_gid'.
spawn.cc (spawn_guts): Care for impersonation when starting
child process in a different user context.
* syscalls.cc (setgid): Call `setegid' now. Set real_gid.
(setuid): Call `seteuid' now. Set real_uid.
(seteuid): Functionality moved from setuid to here. Care for
correct impersonation.
(setegid): Functionality moved from setgid to here.
* uinfo.cc (uinfo_init): Initialization of additional pinfo
members.
(getuid): Return real uid.
(getgid): Return real gid.
(geteuid): Return effective uid.
(getegid): Return effective gid.
include/sys/cygwin.h: Add prototypes for `cygwin_logon_user' and
`cygwin_set_impersonation_token'.
include/cygwin/version.h: Bumb API minor version to 22.
* path.cc: Ditto.
(normalize_posix_path): Add some extra debugging info.
(chdir): Ditto. Store chdir'ed posix and MS-DOS directory names in "cache"
here rather than trying to derive them later.
(mount_slash): Eliminated.
(mount_info::read_mounts): Eliminate looking up existing entries. The
loop for deleting cygpath entries is done only when such entries exist.
(mount_info::from_registry): Eliminate sorting.
(mount_info::add_item): Call add_reg_mount if necessary. Check nmounts
more precisely. Use strcasematch in looking up existing entries.
(mount_info::del_item): Call del_reg_mount if necessary. Use
strcasematch. Use memmove instead of memcpy.
(mount_info::import_v1_registry): Everything is done in this method.
(mount_info::to_registry): Eliminated.
(mount_info::from_v1_registry): Eliminated.
(cygwin_umount): Simply call del_item.
shared.h: Modify the declaration of add_item and del_item. Remove the
declaration of from_v1_registry.
* autoload.h: Add additional field to autoload block for handling unimplemented
functions.
(LoadDLLfuncEx): New function which accepts additional parameter for
controlling unimplemented function behavior.
(LoadDLLfunc): Use LoadDLLfuncEx.
* dcrt0.cc: Use new arguments for LoadDLLfunc. Add advapi32 routines.
(noload): Rewrite in assembler. Handle new unimplemented function type.
* exceptions.cc: Eliminate another vestige of StackWalk stuff.
* net.cc: Use new arguments for LoadDLLfunc.
* uinfo.cc: Ditto.
* config.h.in: Remove obsolete define.
* path.h (isdrive): New macro.
* dcrt0.cc (globify): Use new macro to determine if a string refers to an
MS-DOS drive.
* environ.cc (winenv): Ditto.
* spawn.cc (find_exec): Ditto.
* path.cc (get_raw_device_number): Ditto.
(mount_info::conv_to_posix_path): Ditto.
(chdir): Ditto.
(cygwin_posix_path_list_p): Ditto.
(cygwin_split_path): Ditto.
(path_conv::check): Move tmp_buf to beginning of function since it can be used
earlier in the loop. Use tmp_buf rather than 'root' to hold root information.
(mount_info::conv_to_win32_path): Add trailing slash to end of mount path when
it translates to a drive. Add defensive code to avoid writing beyond the end
of 'dst'.
return always 1 for now.
(mkdir): Call set_file_attribute explicitely with S_IFDIR mode bit.
* syscalls.cc (chown_worker): Ditto.
(chmod): Ditto.
* security.cc (get_nt_attribute): Fix error in debug output.
Never set FILE_DELETE_CHILD for files.
Construct appropriate inherit attribute according to file type.
directory name when the ms-dos path spec is a root directory of a device.
* registry.cc (reg_key::build_reg): Set 'key_is_invalid' flag rather than using
an INVALID_HANDLE_KEY.
(reg_key::get_int): Test for key validity before performing registry
operations.
(reg_key::set_int): Ditto.
(reg_key::get_string): Ditto.
(reg_key::set_string): Ditto.
(reg_key::kill): Ditto.
(reg_key::~reg_key): Ditto.
when trying to remove a directory on a samba share.
Eliminate superfluous else branch.
* syscalls.cc (_rename): Additional check for ERROR_FILE_EXISTS
if MoveFile fails.
race.
(noload): Add an extra argument for debugging.
* uinfo.cc (uinfo_init): Eliminate test for multiple calls.
(getlogin): Assume that uinfo_init has already been called.
just checks for validity. Flag module handle == 0 as noninterrupible.
(call_handler): Always acquire and release ebp lock. Loop for only a fixed
amount of time attempting to grab mutos and find an interruptible PC.
* external.cc: Eliminate obsolete include.
* getopt.c (getopt_long): Fix compiler warning.
* shared.h: Moved PID_ definitions to include/sys/cygwin so that they can be
used by external programs.
* include/sys/cygwin.h: Move external definitions here. Include sys/resource.h
to avoid having to do this everywhere.
referring to something like c:\.
* dcrt0.cc (dll_crt0_1): Move uinfo initialization prior to sig_send
initialization to give signal thread a chance to finish.
* debug.cc (WFSO): Move to sigproc.cc
(WFMO): Ditto.
* exceptions.cc (interruptible): Allocate slightly more space for directory
just for paranoia's sake.
(call_handler): Eliminate nonmain argument. Determine if main thread has set a
frame pointer and use it if so.
(sig_handle): Eliminate nonmain argument.
* net.cc: Record frame information in appropriate routines throughout.
* select.cc (select): Ditto.
* sigproc.cc: Use sigthread structure to record mainthread id throughout.
(sig_send): Record frame information for signal handler.
(wait_sig): Reflect argument change in sig_handle.
(WFSO): Move here and record frame information for signal handler.
(WFMO): Ditto.
* sigproc.h: Implement new "sigthread" class. Implement "sigframe" class for
manipulating signal frame info.
* thread.cc (__pthread_kill): Use standard _kill() function rather than calling
sig_send directly.
* winsup.h: Eliminate ebp element from signal_dispatch class.
for WriteFile and ReadFile to get rid of ERROR_MEDIA_CHANGED
and ERROR_BUS_RESET in case of first access to tape.
(fhandler_dev_raw::raw_write): Use write_file instead of WriteFile.
(fhandler_dev_raw::raw_read): Use read_file instead of ReadFile.
better handling of symbols.
* configure: Regenerate.
* delqueue.cc (delqueue_list::process_queue): Allow ERROR_ACCESS_DENIED to
indicate that a file is being shared under Windows 95.
* syscalls.cc (_unlink): Use full path name. Take special action for Windows
95. Assume that an ERROR_ACCESS_DENIED indicates a sharing violation unless
it's on a remote drive. Punt if there is an ERROR_ACCESS_DENIED on a remote
drive.
* fhandler.h: Add device type FH_RANDOM. Add class
fhandler_dev_random.
* fhandler_random.cc: New file. Implementation of
fhandler_dev_random.
* hinfo.cc (build_fhandler): Add case for FH_RANDOM.
* path.cc: Add device names for random devices to
windows_device_names.
(get_device_number): Add if branch for random devices.
(win32_device_name): Add device name generation for
random devices.
winsup.h: Include <wincrypt.h>.
name check. Windows 95 seems to null-terminate the directory otherwise.
(interrupt_on_return): Issue a fatal error if we can't find the caller's stack.
* spawn.cc (find_exec): Accept a path_conv argument rather than a buffer so
that the caller can find things out about a translated path.
(perhaps_suffix): Ditto.
(spawn_guts): Allocate path_conv stuff here so that we can find out stuff about
the translated path (this is work in progress).
* environ.cc (environ_init): Accept an as-yet unused argument indicating
whether we were invoked from a cygwin parent or not.
(winenv): Ditto.
(posify): Accept an argument indicating whether the path has already been
translated.
* dlfcn.cc (check_access): Provide a path_conv buffer to find_exec.
* exec.cc (sexecvpe): Ditto.
* path.cc (path_conv::check): Rename from path_conv::path_conv.
(mount_item::getmntent): Recognize "Cygwin executable" bit.
(symlink_info::check): Remove debugging statements.
* path.h (class path_conv): Add iscygexec method. Rewrite constructor to call
"check" method to allow multiple operations on a path_conv variable.
* pinfo.cc (pinfo_init): Pass argument to environ_init.
* shared.h: Bump PROC_MAGIC.
* winsup.h: Reflect above changes to function arguments.
* include/sys/mount.h: Add MOUNT_CYGWIN_EXEC type.
when determining exec flag.
* path.cc (symlink_info::check): Remove call to get_file_attribute().
* security.cc (read_sd): Rename, ditto for variables to conform
to common naming convention. Use GetFileSecurity() instead of
BackupRead() to avoid permission problems when reading ACLs.
(write_sd): Same renaming as for read_sd().
(alloc_sd): Change default permissions according to Linux permissions
for group and world when write permission is set.
* syscalls.cc (stat_worker): Avoid different permission problems
when requesting file informations.
rewrite this function to deal with trailing dots.
(mount_info::conv_to_win32_path): Just check for '/' where appropriate.
Eliminate nofinalslash call since it is handled in normalize_posix_path now.
(fhandler_base::set_inheritance): Make this a method so that we can use the
appropriate close methods.
* fhandler.cc (fhandler_base::set_inheritance): Ditto.
* path.cc (normalize_posix_path): Eliminate /. trailing path component.
* path.cc (symlink_info::check): Rename from symlink_check_one. Use new
symlink_info struct for communication.
(path_conv::path_conv): Use symlink_info structure for communication with
symlink_info::check. Fix typo which resulted in symbolic links always being
resolved.
(readlink): Use stat_suffixes array when resolving a link.
* syscalls.cc (stat_suffixes): Make global.
in forked process.
(interruptible): Flag as interruptible when running in main process module.
(interrupt_setup): Save return address and address of return address.
(signal_fixup_after_fork): New function. Uses above two values to restore
proper behavior to forked process.
(interrupt_on_return): Pass return address address to interupt_setup.
(interrupt_now): Pass NULL for return address address to interrupt_setup.
* fork.cc (fork): Call signal_fixup_after_fork.
* shared.h: Lint cleanups.
* winsup.h: Ditto.
fchmod, fchown, lchown.
* winsup/cygwin/syscalls.cc (chown_worker): Use previous
uid/gid if new uid/gid is -1.
New static function with chown functionality.
(chown): Call chown_worker with SYMLINK_FOLLOW.
(fchown): New function. Call chown_worker with SYMLINK_FOLLOW.
(lchown): New function. Call chown_worker with SYMLINK_IGNORE.
* cygwin.din: Add symbols for fchown, lchown.
* path.cc (symlink): Call `set_file_attribute()' and
`SetFileAttributeA()' instead of `chmod()' to set
uid/gid correct.
* path.h: Make PATH_SYMLINK an alias for MOUNT_SYMLINK.
* syscalls.cc (stat_worker): Use extension search mechanism in path_conv to
look for .exe rather than trying to special case it here.
* mount.h: Make MOUNT_SYMLINK a real option.
* path.h (class path_conv): Add a char * operator for the most common case.
* syscalls.cc (_unlink): Rewrite to use FILE_FLAG_DELETE_ON_CLOSE when possible
(i.e., on NT).
(get_nt_attribute): Returns uid and gid additionally. Removed call
to set_process_privileges().
(get_file_attribute): Returns uid and gid additionally. Don't
call ntea if ntsec is ON.
(set_nt_attribute): Removed call to set_process_privileges().
Don't call ntea if ntsec is ON.
(acl): Removed call to set_process_privileges().
* dcrt0.cc (dll_crt0_1): Calls set_process_privileges() now.
* winsup.h: New prototype for set_process_privileges(),
changed prototype for get_file_attribute().
* fhandler.cc (get_file_owner): Discarded.
(get_file_group): Ditto.
(fhandler_disk_file::fstat): Discard calls to get_file_owner() and
get_file_group().
* path.cc (path_conv::path_conv): Added debugging output for result
of GetVolumeInformation().
(mount_info::conv_to_win32_path): Call backslashify() with pathbuf
instead of src_path.
* syscalls.cc (chown): Reformatted.
(chmod): Replace get_file_owner() and get_file_group() calls
by a call to get_file_attribute(). Discard local variable has_acls.
Slightly reformatted.
(stat_worker): Replaced idiot's (it's me) root dir check by call
to rootdir(). Don't call num_entries() on remote drives.
Discard local variable has_acls.
* debug.cc (threadname_init): Pass name of lock as arg 2 of new_muto.
* malloc.cc (malloc_init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* exceptions.cc (events_init): Ditto.
(call_handler): Eliminate special case for hExeced. Report locked thread in
debugging output.
* fhandler.cc (fhandker_pipe::fhandler_pipe): Propagate device type to base
class.
* fhandler.h (fhandler_pipe): Ditto.
* hinfo.cc (hinfo::build_fhandler): Pass specific type of pipe to constructor.
* spawn.cc (spawn_guts): Eliminate dependency on signal when waiting for
subprocess.
* strace.cc: Remove obsolete #ifdef.
* sync.cc (muto::muto): Save the name of the muto.
(muto:~muto): Also release the muto.
* sync.h: Add a muto name field.
* select.cc (peek_pipe): Avoid doing a PeekNamedPipe on the write end of a
pipe.
* fhandler.h: Declare new function. Add extra argument to
process_slave_output.
* fhandler_console.cc (fhandler_console::read): Move read ahead code to new
function.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Move common code
here.
(fhandler_tty_slave::read): Understand readahead.
(fhandler_pty_master::read): Move code to process_slave_output.
* select.cc (peek_pipe): Avoid performing certain checks when non-read and on
inappropriate fh types.
on interrupt if executing in a "cygwin" thread.
* fhandler_tty.cc (fhandler_pty_master::process_slave_output): Streamline,
simplify code.
* sigproc.cc (sig_send): Remove debugging statement.
* exceptions.cc (sfta): Eliminate obsolete function.
(sgmb): Eliminate obsolete function.
(class stack_info): Remove MS method for walking the stack.
(stack_info::init): Just initialize required fields.
(stack_info::brute_force): Rename to stack_info::walk.
(handle_exceptions): Pass derived frame pointer to sig_send.
(interrupt_setup): Clear saved frame pointer here.
(interrupt_on_return): thestack is no longer a pointer.
(call_handler): Accept a flag to indicate when a signal was sent from other
than the main thread. Use saved frame pointer for determining where to place
signal handler call.
(sig_handle): Accept "nonmain" argument. Pass it to call_handler.
* fhandler_tty.cc (fhandler_tty_common::__acquire_output_mutex): Change
debugging output slightly.
* (fhandler_tty_common::__release_output_mutex): Ditto.
(fhandler_tty_slave::read): Fix a comment, remove a goto.
* sigproc.cc (sig_send): Accept an optional frame pointer argument for use when
suspending the main process. sigcomplete_main is an autoreset event now. Save
frame pointer for non-main operation.
(wait_sig): Make sigcomplete_main an autoreset event. Eliminate NOSIGQUEUE.
Pass rc to sig_handle to signify if this was a nonmain process.
* sigproc.h: Reflect change to sig_send argument.
* syscalls.cc (swab): Eliminate swab function since it is now available in
newlib.
* winsup.h (signal_dispatch): Change CONTEXT cx to DWORD ebp.
(getprogname): Eliminate obsolete function.
(dll_crt0_1): Move initial strace initialization output to set_myself.
* exceptions.cc (interruptible): Add debugging output.
(interrupt_setup): New function.
(interrupt_now): Use interrupt_setup to set up common interrupt handler stuff.
(interrupt_on_return): Ditto.
(call_handler): Move signal_arrived arm and clear threads to region where
signalled thread is suspended or suffer races.
* pinfo.cc (set_myself): Output interesting information when strace is first
initialized. Initialize progname here.
* sigproc.cc (sig_dispatch_pending): Modify to ensure that flush signal are
sent synchronously.
* strace.cc (strace_vsprintf): Move code into strace program.
* uname.cc (uname): Use 'osname' global to construct cygwin name + Windows type
+ version.
(call_handler): Allow signals to be sent even if signalled thread is stopped.
Change order of signal_arrived arming/waiting threads clearing to eliminate a
race.
(reset_signal_arrived): New helper function.
* malloc.cc (malloc_init): Use mutos so that signal handler can keep track of
who owns the lock.
(__malloc_lock): Ditto.
(__malloc_unlock): Ditto.
* sync.h (new_muto): Actually use a muto for the "buffer".
* Makefile.in: Fix a dependency.
* debug.cc (iscygthread): New function.
* debug.h: Declare it.
* exceptions.cc (set_process_mask): Flush pending signals.
(handle_sigsuspend): No need to flush pending signals.
(call_handler): Refine previous tests of muto ownership. Only clear wait()'s
when we have definitely responded to a signal.
* fhandler_console.cc (fhandler_console::read): Don't set EINTR if executing in
a "cygwin" thread.
* sigproc.cc (proc_subproc): Use second argument to control whether CLEARWAIT
actually sets "signalled" flag.
* sync.h (muto): Add 'unstable' method.
interruptible.
(call_handler): Avoid suspending a thread if it owns a mutex. Only set
signal_arrived if the thread was actually interrupted.
(events_init): Initialize module information needed by interruptible().
(sigdelayed): Don't call sig_dispatch_pending since it could screw up
* init.cc (dll_entry): Record module handle of main for use by interruptible().
(proc_subproc): Reorganize handling of terminated child so that the bulk of the
processing comes from the signal thread.
(wait_sig): Force processing of waiting threads if SIGCHLD is not processed.
* sync.cc (muto::release): Set tid == 0 after lock is released or signal
processor will be confused.
Christopher Faylor
Corinna Vinschen
Robert Collins
Egor Duda
DJ Delorie
Mumit Khan