and open_fhs_on_hold (back) here.
* dcrt0.cc (_dll_crt0): Just set impure_ptr_ptr here and let later
initialization deal with tls.
* dtable.cc (dtable::vfork_child_fixup): Move ctty considerations here.
(dtable:vfork_parent_restore): And here.
* fork.cc (vfork): Reflect change to ctty handling.
* perthread.h (vfork_save::fhctty): Eliminate.
* cygwin.din: Make more exports NOSIGFE that will never be interrupted by a
signal.
* init.cc (dll_entry): Set stackptr to NULL to catch problems earlier.
this change throughout.
* dtable.cc (dtable::add_archetype): Use correct count when iterating through
*active* archetypes.
* dtable.cc (dtable::fixup_after_exec): Close handle if close_on_exec and
archetype exists since archetype currently does not set windows close-on-exec
flag (FIXME).
* fhandler_tty.cc (fhandler_tty_slave::open): Change debugging output slightly.
(fhandler_tty_slave::close): Ditto.
(fhandler_tty_slave::fixup_after_fork): Just report on inherited use counts
since since archetype currently does not set windows close-on-exec flag
(FIXME).
* pinfo.cc (_pinfo::set_ctty): Change debugging output slightly.
* cygheap.cc (cygheap_init): Remove open_fhs accommodation and use count
reporting.
* perthread.h (vfork_save::fhctty): New element.
* perthread.h (vfork_save::open_fhs): New element.
* fork.cc (vfork): Muck around with ctty and open_fhs stuff, both of which are
now saved in the vfork_save structure.
(init_cheap::ctty): Change to pointer.
* dtable.h (dtable::find_archetype): Declare new function.
(dtable::add_archetype): Declare new function.
(dtable::delete_archetype): Declare new function.
(dtable::narchetypes): Declare.
(dtable::farchetypes): Declare.
(dtable::initial_archetype_size): Declare.
(dtable::dtable): Initialize new fields.
(dtable::initial_archetype_size): Declare.
* dtable.cc (dtable::find_archetype): Define new function.
(dtable::add_archetype): Define new function.
(dtable::delete_archetype): Define new function.
(dtable::initial_archetype_size): Define.
* fhandler.h (fhandler_base::archetype): Declare.
(fhandler_base::usecount): Declare.
* fhandler.cc (fhandler_base::fhandler_base): Initialize new fields.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Pass NULL to third
argument of set_ctty.
* fhandler_tty.cc (fhandler_tty_slave::open): Accommodate new archetype method
to create only one instance of a tty.
(fhandler_tty_slave::close): Don't close handles unless archetype usecount is
zero. When that happens, close archetype too.
(fhandler_tty_slave::dup): Just copy archetype. Set use count appropriately.
Set ctty, if appropriate.
(fhandler_tty_common::dup): Remove slave considerations.
(fhandler_tty_common::set_close_on_exec): Remove cygheap->ctty considerations.
* pinfo.cc (_pinfo::set_ctty): Accommodate new archetype methods.
* pinfo.h (_pinfo::set_ctty): Make third argument explicit.
* syscalls.cc (close_all_files): Decrement controlling tty use count before
closing all handles to allow controlling tty to be closed. Remove previous
controlling tty considerations.
throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use
saved cygheap value if it exists. Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
* uinfo.cc (cygheap_user::init): Make sure the current user appears
in the default DACL. Rearrange to decrease the indentation levels.
Initialize the effec_cygsid directly.
(internal_getlogin): Do not reinitialize myself->gid. Open the process
token with the required access.
* cygheap.h (class cygheap_user): Delete members pid and saved_psid.
Create members effec_cygsid and saved_cygsid.
(cygheap_user::set_sid): Define inline.
(cygheap_user::set_saved_sid): Ditto.
(cygheap_user::sid): Modify.
(cygheap_user::saved_sid): Modify.
* cygheap.cc (cygheap_user::set_sid): Delete.
(cygheap_user::set_saved_sid): Ditto.
* sec_helper.cc (sec_acl): Set the correct acl size.
* autoload.cc (FindFirstFreeAce): Add.
* security.h: Define ACL_DEFAULT_SIZE.
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file. Reorganize headers so that path.h precedes
fhandler.h throughout. Remove device argument and unit arguments from fhandler
constructors throughout. Remove pc arguments to fhandler functions and use
internal pc element instead, throughout. Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class. Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices. Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name. Move
out of dtable class. Don't accept a path_conv argument. Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler. Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler. Move out of dtable class.
Simplify arguments to just take new 'device' type and a name. Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element. Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access. Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe. Change arguments to accept
fhandler_pipe array. Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately. Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument. Call build_fh_name to construct
fhandler. Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access. Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff. Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff. Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here. Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
* cygheap.h (cygheap_user::init): New declaration.
* uinfo.cc (cygheap_user::init): New.
(internal_getlogin): Move functionality to cygheap_user::init. Open the
process token to update the group sid.
* shared.cc (user_shared_initialize): Get the user information from
cygheap->user.
(shared_info::initialize): Remove argument. Call cygheap->user.init instead of
cygheap->user.set_name.
(memory_init): Do not get the user name and do not pass it to
shared_info::initialize.
* registry.cc (get_registry_hive_path): Make csid a cygpsid.
(load_registry_hive): Ditto.
(dll_crt0_1): Store argc in __argc_safe, which will theoretically remain
untouched by the user.
* fhandler_console.cc (fhandler_console::read): Silence some compiler warnings.
* fhandler_raw.cc (fhandler_dev_raw::raw_read): Ditto.
* pinfo.cc (_pinfo::commune_recv): Carefully bound argv scan and check for
potentially bad pointers since user could have set argv cell to anythinw.
* cygheap.h (CYGHEAPSIZE): Bump up size.
* cygheap.h (cygheap_types): Add HEAP_SIGS.
* exceptions.cc (signal_fixup_after_exec): Remove from this file.
* pinfo.h (pinfo::getsig): Just return global_sigs array.
(pinfo::sigs): Delete.
* sigproc.cc (signal_fixup_after_exec): Move it here.
(global_sigs): New global array, moved from pinfo structure.
(sigalloc): New function. Allocate global sigaction array here.
(proc_subproc): Remove copysigs call. It's automatic now.
* include/sys/cygwin.h (PID_NOCLDSTOP): New value.
* signal.cc (sigaction): Set myself->PID_NODCLDSTOP when appropriate.
* sigproc.h (sigalloc): Declare.
* fnmatch.c (fnmatch): Use C90 parameters.
(rangematch): Ditto.
* fhandler.cc (fhandler_base::raw_read): Use right coercion to avoid a compiler
warning.
value for tokens.
* syscalls.cc (seteuid32): Ditto. Set new_token to process token if
process token is suitable.
* uinfo.cc (uinfo_init): Initialize tokens in cygheap user info
to INVALID_HANDLE_VALUE.
* cygheap.h (enum impersonation): Delete.
(cygheap_user::impersonation_state): Delete.
(cygheap_user::current_token): New.
(cygheap_user::issetuid): Modify to use current_token.
(cygheap_user::token): Ditto.
(cygheap_user::deimpersonate): Ditto.
(cygheap_user::reimpersonate): Ditto.
(cygheap_user::has_impersonation_tokens): Ditto.
(cygheap_user::close_impersonation_tokens): Ditto.
* security.cc (cygwin_set_impersonation_token): Always set the token.
(verify_token): Change type of gsid to cygpsid.
(get_file_attribute): Use the effective ids.
* syscalls.cc (seteuid32): Modify to use cygheap_user::current_token.
* uinfo.cc (uinfo_init) Do not set cygheap->user.impersonation_state.
(cygheap_user::token): Delete.
(cygheap_user::impersonated): Delete.
(cygheap_user::external_token): New member.
(cygheap_user::internal_token): New member.
(cygheap_user::impersonation_state): New member.
(cygheap_user::issetuid): Modify.
(cygheap_user::token): New method.
(cygheap_user::deimpersonate): New method.
(cygheap_user::reimpersonate): New method.
(cygheap_user::has_impersonation_tokens): New method.
(cygheap_user::close_impersonation_tokens): New method.
* dtable.cc (dtable::vfork_child_dup): Use new cygheap_user methods.
* fhandler_socket.cc (fhandler_socket::dup): Ditto.
* fork.cc (fork_child): Ditto.
(fork_parent): Ditto.
* grp.cc (internal_getgroups): Ditto.
* security.cc (verify_token): Ditto.
(check_file_access): Ditto.
(cygwin_set_impersonation_token): Detect conflicts. Set
user.external_token.
* spawn.cc (spawn_guts): Use new cygheap_user methods.
* syscalls.cc (seteuid32): Rearrange to use the two tokens
in cygheap_user.
(setegid32): Use new cygheap_user methods.
* uinfo.cc: (internal_getlogin): Ditto.
"unknown" to "mkgroup".
(internal_getgrgid): Do not return default in nontsec case.
(internal_getgroups): Add argument srchsid and look for it in groups if not
NULL.
* passwd.cc (read_etc_passwd): On NT, add a line for uid = -1. Use same
default uid for Win95 and NT. Call cygheap_user::ontherange to initialize
HOME.
* cygheap.cc (init_cygheap::etc_changed): Move to uinfo.cc.
* cygheap.h (init_cygheap::etc_changed_h): Remove.
(init_cygheap::etc_changed): Ditto.
* grp.cc (group_state): Remove. Use gr instead throughout.
(gr): Define as class pwdgrp.
(read_etc_group): Remove gr definition. Remove calls to set_last_modified and
close. Pass add_grp to gr.load to load file.
* passwd.cc (passwd_state): Remove. Use pr instead, throughout.
(pr): Define as class pwdgrp.
(read_etc_passwd): Remove pr definition. Remove calls to set_last_modified and
close. Pass add_pwd_line to pr.load to load file.
* pwdgrp.h (etc): New helper class for pwdgrp.
(pwdgrp): Combine pwdgrp_check and pwdgrp_read into one class. Remove file_w32
and last_modified fields.
(pwdgrp::set_last_modified): Remove.
(pwdgrp::isinitializing): Remove FindFirstFile stuff. Move to
etc::file_changed.
(pwdgrp::load): Rename from 'open'. Call etc::init to initialize etc scanning.
Close file handle after reading buffer into memory. Parse buffer by calling
second argument.
(pwdgrp::gets): Reorganize slightly to rely on eptr starting at beginning of
buffer. Free buffer when memory exhausted.
(pwdgrp::close): Remove.
* uinfo.cc (etc::dir_changed): New function.
(etc::init): Ditto.
(etc::file_changed): Ditto.
(etc::set_last_modified): Ditto.
(init_cheap): Ditto for declaration.
* fork.cc (fork_parent): Use user_heap element in cygheap.
* heap.h (inheap): Ditto.
* heap.cc (sbrk): Ditto.
(heap_init): Ditto. Reorganize to shrink heap chunk as required and record new
value in cygheap.
* dcrt0.cc (dll_crt0_1): More "move the cygthread init" games.
* shared.cc (open_shared): Rework memory protection to properly deal with
relocated shared segment.
(shared_info::heap_chunk_size): Rename element to 'heap_chunk'.
* shared_info.h (shared_info): Ditto for declaration.
* strace.cc (strace::hello): Report on heap chunk size from cygheap since it
may shrink.
(cygheap_setup_for_child): Detect when default size of shared region is less
than the current size and allocate that much.
(_cbrk): Just return NULL on inability to allocate.
(_cmalloc): Ditto.
* cygheap.h (CYGHEAPSIZE): Change size to reflect newer, tinier fhandler sizes.
* spawn.cc (av::error): New element, reflects potential errno from cmalloc.
(av::~av): Don't free NULL pointers.
(av::replace0_maybe): Detect out-of-memory conditions.
(av::dup_maybe): Ditto.
(av::dup_all): Ditto.
(av::unshift): Ditto.
(spawn_guts): Set errno and return if argv creation ran into problems.
* fhandler.h (fhandler_union): Change member names to something safer.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Always set
fhandler_console::dev_state regardless of whether shared region is initialized.
* cygthread.cc (cygthread::runner): Use ExitThread rather than return
(planning for future).
(CURR_CHILD_INFO_MAGIC): Update.
(child_info::magic): Make 'long'.
* cygheap.h: Export _cygheap_start.
* cygheap.cc: Don't declare _cygheap_start.
* cygmagic: Use cksum to produce checksums. Append 'U' to end of checksum.
* dcrt0.cc (initial_env): Calculate sleep ms before reusing buffer.
(_dll_crt0): Detect cygheap mismatch as indicative of different cygwin version.
Set child_proc_info to NULL when _PROC_WHOOPS.
(multiple_cygwin_problem): If child_info specific problem, then set
child_proc_info type to _PROC_WHOOPS.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(CURR_SHARED_MAGIC): Ditto.
* include/cygwin/version.h: Bump API minor version.
* cygheap.h (class cygheap_user): Add member groups.
* security.h (class cygsidlist): Add members type and maxcount,
methods position, addfromgr, alloc_sids and free_sids and
operator+= (const PSID psid). Modify contains () to call
position () and optimize add () to use maxcount.
(class user_groups): Create.
Update declarations of verify_token and create_token.
* security.cc (cygsidlist::alloc_sids): New.
(cygsidlist::free_sids): New.
(get_token_group_sidlist): Create from get_group_sidlist.
(get_initgroups_sidlist): Create from get_group_sidlist.
(get_group_sidlist): Suppress.
(get_setgroups_sidlist): Create.
(verify_token): Modify arguments. Add setgroups case.
(create_token): Modify arguments. Call get_initgroups_sidlist and
get_setgroups_sidlist as needed. Set SE_GROUP_LOGON_ID from auth_pos
outside of the loop. Rename the various group sid lists consistently.
* syscalls.cc (seteuid32): Modify to use cygheap->user.groups.
(setegid32): Call cygheap->user.groups.update_pgrp.
* grp.cc (setgroups): Create.
(setgroups32): Create.
* uinfo.cc (internal_getlogin): Initialize and update user.groups.pgsid.
* cygwin.din: Add setgroups and setgroups32.
functionality.
* cygheap.cc (init_cheap): Move cygheap_max calculation to _csbrk.
(_csbrk): Reorganize to not assume first allocation is <= 1 page.
(cygheap_setup_for_child): Mark protected handle as inheritable.
* cygheap.h (cygheap_debug): New struct.
(init_cygheap): Add new structure when debugging.
* dcrt0.cc (dll_crt0_1): Remove call to debug_init. Close ppid_handle here, if
appropriate. Don't protect subproc_ready, since it is already protected in the
parent. Call memory_init prior to ProtectHandle to ensure that cygheap is set
up. Call debug_fixup_after_fork_exec when appropriate.
(_dll_crt0): Don't close ppid_handle here.
* debug.cc: Use cygheap debug structure rather than static elements throughout.
(add_handle): Don't issue a warning if attempt to protect handle in exactly the
same way from exactly the same place. Add pid info to warning output. Accept
additional argument controlling whether handle is to be inherited. Add pid to
stored information.
(debug_fixup_after_fork_exec): Renamed from debug_fixup_after_fork. Reorganize
to avoid erroneously skipping handles.
(mark_closed): Add pid info to warning output.
(setclexec): Rename from setclexec_pid.
* fhandler.cc (fhandler_base::get_default_fmode): Minor reorg.
(fhandler_base::fstat): Add debugging output.
(fhandler_base::set_inheritance): Call setclexec rather than setclexec_pid.
(fhandler_base::fork_fixup): Ditto.
* fhandler_console.cc (get_tty_stuff): Mark protected handle as inheritable.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* tty.cc (tty::make_pipes): Ditto.
(tty::common_init): Ditto.
* fork.cc (fork_parent): Ditto.
(fork_child): Close protected handles with correct name. Remove
debug_fixup_after_fork call.
* fhandler_socket.cc (fhandler_socket::create_secret_event): Mark protected
handle as inheritable/non-inheritable, as appropriate.
* shared.cc (memory_init): Mark protected handle as inheritable. Call
debug_init here.
* sigproc.cc (wait_sig): Close protected handle with correct name.
* spawn.cc (spawn_guts): Rename spr to subproc_ready and mark it as
inheritable.
* exceptions.cc (debugger_command): Try to run dumper.exe, if found.
* syscalls.cc (fstat64): Don't follow symlinks for path_conv lookup since path
is already resolved.
(cygheap_user::logsrv): New method.
(cygheap_user::winname): Ditto.
(cygheap_user::domain): Ditto.
(cygheap_user::test_uid): Ditto.
* cygheap.cc (cygheap_user::set_name): Reflect name "pwinname" name change.
* environ.cc (getwinenveq): New function.
(spenv::from_cygheap): Change arguments.
(spenv::retrieve): Ditto for call. Use getwinenveq to retrieve info from
environment. Always return value from cygwin environment, if it exists.
* environ.h (getwinenveq): Declare.
* uinfo.cc (cygheap_user::ontherange): Use logsrv() rather than env_logsrv().
(cygheap_user::test_uid): Define new method.
(cygheap_user::env_logsrv): Accept environment arguments. Use test_uid to find
info.
(cygheap_user::env_domain): Ditto.
(cygheap_user::env_userprofile): Ditto.
(cygheap_user::env_homepath): Ditto.
(cygheap_user::env_homedrive): Ditto.
(cygheap_user::env_name): Ditto.
* 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'.
* 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.
(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.
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.
* 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.
* 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.
(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.
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.
(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.
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'.
* 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.
(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.
* 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.
(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.
* 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.
* 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.
(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.
* 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.
(_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.
(_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.
* 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.
Christopher Faylor
Corinna Vinschen
Robert Collins
Pierre Humblet