length back to munmap(). Evaluate intersection between given
area and mapped area and return it, if any.
(mmap64): On regular files, don't allow mappings beginning beyond
EOF. Return with errno set to ENXIO instead.
(munmap): Rewrite SUSv3 conformant. Check if given memory area is
valid. Unmap all maps inside given memory area. Don't return error
if no mapping has been unmapped.
return socket connection state.
* fhandler_socket.cc (dup): Copy socket connect state to new file
handle.
* net.cc (cygwin_rcmd): Mark file handles of sockets returned by
rcmd() as CONNECTED state.
(cygwin_rexec): Similarly for rexec().
(socketpair): Mark both ends of a new socket pair as CONNECTED.
(fhandler_base::get_encoded): New function.
(fhandler_base::set_encoded): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Set encoded flag in
fhandler, as appropriate.
(fhandler_disk_file::readdir): Unmunge filename as appropriate based on new
encoding flag.
* path.cc (normalize_posix_path): Don't punt on files with colons.
(special_char): New function.
(mount_item::fnmunge): Ditto.
(fnunmunge): Ditto.
(special_name): Ditto.
(mount_item::build_win32): Avoid drive considerations when file is encoded.
(mount_info::conv_to_win32_path): Handle encoded filenames.
(mount_info::conv_to_posix_path): Ditto.
(fillout_mntent): Add posix string when directory is encoded.
* path.h (fnunmunge): Declare.
(path_conv::is_encoded): Declare.
If a non-zero addr is given, align it to the next lower 64K boundary.
(fhandler_disk_file::mmap): If a non-zero address is given, try
mapping using the given address first. If it fails and flags is not
MAP_FIXED, try again with NULL address.
(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.
(pthread::threads): Instantiate.
(pthread::pthread): Initialize running and suspendend.
Initialize next with NULL.
Add thread to thread list if it is not the null_pthread.
(pthread::~pthread): Remove thread from thread list if it is not the null_pthread.
(pthread::postcreate): Set running flag.
(pthread::exit): Reset running flag.
(pthread::cancel): Try to cancel thread only if still running.
(pthread::_fixup_after_fork): Implement.
(pthread::detach): Check if thread is still running before detach.
* thread.h (pthread::running): New member.
(pthread::next): Ditto.
(pthread::fixup_after_fork): New static method.
(pthread::threads): New static method.
(pthread::_fixup_after_fork): New method.
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h. Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent. Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL. Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
to return 0 if attribute is already initialized back to EBUSY.
(pthread_condattr_init): Ditto.
(pthread_rwlockattr_init): Ditto.
(pthread_mutexattr_init): Ditto.
Fix return code if out of memory.
(pthread_condattr_init): Ditto.
(pthread_rwlockattr_init): Ditto.
(pthread_mutexattr_init): Return 0 if attribute is already initialized.
when the real {u,g}ids and the groups are original.
Move RevertToSelf and ImpersonateLoggedOnUser to the main line.
* uinfo.cc (uinfo_init): Reorganize. If CreateProcess was called
while impersonated, preserve the uids and gids and call
ImpersonateLoggedOnUser. Preserve the uids and gids on Win9X.
* exceptions.cc (error_start_init): Quote the pgm in the command.
* fhandler.cc (fhandler_base::write): Only make file sparse if the
seeked area is >= 128K.
* syslog.cc (vsyslog): New function, overtaking functionality from
syslog.
(syslog): Just call vsyslog.
* include/cygwin/version.h: Bump API minor.
* include/sys/syslog.h: Add vsyslog declaration.
* fhandler_disk_file.cc (fhandler_disk_file::fstat): Mark the pc
as non-executable if the file cannot be opened for read. Retry query
open only if errno is EACCES. Never change the mode, even if it is 000
when query open() fails.
(accept_thread): Remove.
(fhandler_socket::connect): Remove all special blocking handling.
(fhandler_socket::accept): Ditto.
* net.cc (cygwin_connect): Make blocking sockets temporarily
non-blocking and call cygwin_select on them to be interruptible.
(cygwin_accept): Ditto.
* path.cc (path_conv::check): Set exec state based on known situations.
* path.cc (mount_item::fnmunge): New function.
(mount_item::build_win32): New function.
(mount_info::conv_to_win32_path): Use build_win32 to build windows path.
* path.h (mount_item::fnmunge): Declare new function.
(mount_item::build_win32): Ditto.
* sys/mount.h (MOUNT_ENC): Define.
revert to original account before calling fixup_before_fork_exec
and impersonate again afterwards. Change comment accordingly.
Clean up error handling and debug output.
(sock_event::load): Change to void. Check if winsock2 is available.
(socke_event::wait): Return 0 if interruptible mode is not available.
(fhandler_socket::connect): Remove checks for winsock2 availability.
(fhandler_socket::accept): Ditto.
(fhandler_base::set_did_lseek): Rename from set_check_win95_lseek_bug.
(fhandler_base::get_did_lseek): Rename from get_check_win95_lseek_bug.
(fhandler_base::set_fs_flags): New method.
(fhandler_base::get_fs_flags): Ditto.
* fhandler.cc (fhandler_base::write): Make 64 bit clean. Convert file
to a "sparse" file when writing after a long lseek (>64K) beyond EOF.
(fhandler_base::lseek): Call set_did_lseek() instead of
set_check_win95_lseek_bug().
(fhandler_base::fhandler_base): Initialize fs_flags to 0.
* fhandler_disk_file.cc (fhandler_disk_file::open): Don't create files
as "sparse" unconditionally. Set fs_flags member.
* syscalls.cc (statfs): Call full_path.root_dir() instead of
rootdir(full_path). Use GetDiskFreeSpaceEx when available and
report space available in addition to free space.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_by_name):
Do not call FindFirstFile for disk root directories.
char *parameter instead of local static buffer.
(fhandler_socket::create_secret_event): Accomodate new calling
convention for secret_event_name.
(fhandler_socket::close_secret_event): Ditto.
(ENTROPY_SOURCE_NAME): Ditto.
(secret_event_name): New static function. Create shared event name
with "Global\" prefix on systems supporting terminal services.
(fhandler_socket::set_connect_secret): Fix conditional.
(fhandler_socket::create_secret_event): Create secret event using
secret_event_name().
(fhandler_socket::close_secret_event): Ditto.
* shared.cc (shared_name): Create shared object name with "Global\"
prefix on systems supporting terminal services.
* wincap.cc: Set has_terminal_services capability throughout.
(wincap_2003): New global object representing Windows 2003 Server
capabilities.
(wincapc::init): Accomodate Windows 2003 Server.
* wincap.h (struct wincaps): Add has_terminal_services capability.
(MTinterface::Init): Ditto.
* thread.cc (MTinterface::Init): Remove function parameter.
Always initialize reent_key.
(pthread::init_mainthread): Remove function parameter.
(MTinterface::fixup_after_fork): Fix pthread::init_mainthread call.
* dcrt0.cc (dll_crt_0_1) Fix calls to MTinterface::Init and
pthread::init_mainthread.
Call pthread::init_mainthread only when not forked.
* include/stdint.h: New file.
* include/cygwin/in.h: Include stdint.h instead of sys/types.h.
* include/cygwin/types.h: Include stdint.h. Remove typedefs for
intN_t and uintN_t since these are defined in stdint.h now.
(wincapc:pty_needs_alloc_console): New function.
* wincap.cc: Add pty_needs_alloc_console throughout.
* fhandler_tty.cc (fhandler_tty_slave::open): Open an "invisible" console on
first pty allocation.
(cfsetospeed): Use setspeed to set speed.
(cfsetispeed): Use setspeed to set speed.
* autoload.cc: Add load statement for UuidCreate, and UuidCreateSequential.
* cpuid.h: New file.
* cygwin.din: Export gethostid.
* fhandler_proc.cc (cpuid): Move to cpuid.h.
(can_set_flag): Move to cpuid.h.
* syscalls.cc (gethostid): New function.
* version.h: Bump DLL minor version number to 83.
* thread.h (pthread_rwlock::release): New method.
* thread.cc (pthread_rwlock::unlock): Use release to signal
waiting threads.
(pthread_rwlock::rdlock_cleanup): Signal waiting threads after a
cancelation.
(pthread_rwlock::wrlock_cleanup): Ditto.
(get_nt_attribute): Only call read_sd and get_info_from_sd.
Return void.
(get_file_attribute): Move sd error handling to get_info_from_sd.
and symlink handling to fhandler_disk_file::fstat_helper.
(get_nt_object_attribute): Only call read_sd and get_info_from_sd.
Return void.
(get_object_attribute): Remove symlink handling and simply return -1
when ntsec is off.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): For
symlinks set the attribute, call get_file_attribute to get the ids
and return. In the normal case call get_file_attribute with the
addresses of the buffer ids and do not recheck if the file is a socket.
(cygthread::simplestub): Initialize stack pointer.
(cygthread::terminate_thread): Account for possibility that stack pointer has
not been set. Issue warnings for unusual conditions.
* cygthread.cc: Ditto.
(cygthread::stub): Don't initialize already initialized events.
(cygthread::freerange): Don't create thread here.
(cygthread::cygthread): Create thread here. Die if thread not created.
(cygthread::operator new): Simplify. Just grab a thread structure from the
pool. Don't try to start the thread.
(cygthread::terminate_thread): Don't close event handles. Just reuse them.
Call MEM_RELEASE rather than MEM_DECOMMIT (from Joe Buehler).
allow pasting accented characters and typing them using the "alt + numerics"
sequences.
* include/limits.h (IOV_MAX): Set to a number which is small enough to use in
an array.
functions.
* cygthread.cc (cygthread::init): Eliminate unneeded muto.
(cygthread::operator new): Don't lock. Instead change use of avail variable
into tri-state: available (1), not available (-1), uninitialized (0).
(cygthread::terminate_thread): Set avail to uninitialized.
(cygthread::detach): Eliminate local 'avail'. Always set avail to 1 unless
signalled.
* cygthread.cc (cygthread::operator new): Be more defensive when messing with
from the current effective ids.
* fhandler_socket.cc (fhandler_socket::fstat): Keep the uid and gid set
by fhandler_base::fstat.
* security.cc (get_nt_attribute): Do not test wincap.has_security ().
(get_nt_object_attribute): Ditto.
(get_file_attribute): Add test for wincap.has_security ().
(get_object_attribute): Ditto.
(login): Use mutex to secure against concurrent access to wtmp file.
(logout): Rewrite using POSIX calls.
(utmp_fd): Initialized to -1 now. Any value < 0 is treated as closed
in subsequent functions.
(utmp_readonly): New variable, indicating utmp file open for reading
only.
(internal_setutent): New function implementing setutent().
(setutent): Call internal_setutent now.
(endutent): Reset utmp_readonly.
(getutent): Return immediately if utmp file can't be opened.
(getutid): Ditto.
(getutline): Ditto.
(pututline): Ditto. Use mutex to secure against concurrent access to
utmp file.
according to the GNU coding style.
* thread.cc: Ditto.
* dcrt0.cc (dll_crt0_1): Rename pthread::initMainThread call to
pthread::init_mainthread.
* pthread.cc (pthead_getsequence_np): Rename pthread::isGoodObject
call to pthread::is_good_object.
declaration.
(List::forEach): Change callback parameter to template class
member functionpointer.
(pthread_keys::fixup_before_fork): Change to inline. Use
List::forEach to fixup keys.
(pthread_keys::fixup_after_fork): Ditto.
(pthread_keys::runAllDestructors): Ditto.
(pthread_key::saveAKey): Remove.
(pthread_key::restoreAKey): Ditto.
(pthread_key::destroyAKey): Ditto.
(pthread_key::run_destructor): Rename to runDestructor.
(pthread_mutex::fixup_after_fork): Change to inline. Use
List::forEach to fixup mutexes after a fork.
(pthread_mutex::FixupAfterFork): New method.
(pthread_mutex::mutexes): New member.
(pthread_cond::fixup_after_fork): Change to inline. Use
List::forEach to fixup conds after a fork.
(pthread_cond::FixupAfterFork): New method.
(pthread_cond::conds): New member.
(pthread_rwlock::fixup_after_fork): Change to inline. Use
List::forEach to fixup rwlocks after a fork.
(pthread_rwlock::FixupAfterFork): New method.
(pthread_rwlock::rwlocks): New member.
(semaphore::fixup_after_fork): Change to inline. Use
List::forEach to fixup mutexes after a fork.
(semaphore::FixupAfterFork): New method.
(semaphore::semaphores): New member.
(MTinterface::mutexs): Remove.
(MTinterface::conds): Ditto.
(MTinterface::rwlocks): Ditto.
(MTinterface::semaphores): Ditto.
(pthread_equal): Add extern "C".
(pthread_mutex_lock): Ditto.
* thread.cc (MTinterface::fixup_after_fork): Change
fixup_after_fork calls for pthread objects.
(semaphore::conds): Instantiate.
(pthread_cond::pthread_cond): Use List::Insert rather than
custom list code.
(pthread_cond::~pthread_cond): Use List::Remove rather than
custom list code.
(pthread_cond::fixup_after_fork): Rename to FixupAfterFork.
(pthread_rwlock::rwlocks): Instantiate.
(pthread_rwlock::pthread_crwlock): Use List::Insert rather than
custom list code.
(pthread_rwlock::~pthread_rwlock): Use List::Remove rather than
custom list code.
(pthread_rwlock::fixup_after_fork): Rename to FixupAfterFork.
(pthread_key::saveAKey): Remove.
(pthread_key::fixup_before_fork): Ditto.
(pthread_key::restoreAKey): Ditto.
(pthread_key::fixup_after_fork): Ditto.
(pthread_key::destroyAKey): Ditto.
(pthread_key::runAllDestructors): Ditto.
(pthread_key::run_destructor): Rename to runDestructor.
(pthread_mutex::mutexes): Instantiate.
(pthread_mutex::pthread_mutex): Use List::Insert rather than
custom list code.
(pthread_mutex::~pthread_mutex): Use List::Remove rather than
custom list code.
(pthread_mutex::fixup_after_fork): Rename to FixupAfterFork.
(semaphore::conds): Instantiate.
(semaphore::semaphore): Use List::Insert rather than custom list
code.
(semaphores::~semaphore): Use List::Remove rather than custom
list code.
(semaphore::fixup_after_fork): Rename to FixupAfterFork.
* exceptions.cc (signal_fixup_after_exec): Eliminate argument in definition.
Don't reset signal handlers after spawm. Just treat like fork/exec.
* dcrt0.cc (dll_crt0_1): Don't pass PROC_SPAWN argument to
signal_fixup_after_exec.
* syscalls.cc (unlink): Don't change attributes of file if not readonly/system.
Ditto for resetting of arguments.
trunc exports show up before previous bump since there has been no exported
version of the DLL with the 64 bit changes yet but 1.3.22 will have the btowc
and trunc.
* include/cygwin/version.h: Reflect new exports.
* syscalls.cc (_stat): Rename to stat to avoid newlib wrapper.
* syscalls.cc (_fstat): Ditto.
* fhandler_console.cc (fhandler_console::close): Correct check for current tty.
Add debugging output when console is freed.
(set_console_state_for_spawn): Add debugging output.
* fhandler_tty.cc (fhandler_tty_slave::open): Don't decrement console open flag
when vforking.
* sigproc.cc (sigproc_terminate): Fix debugging output.
* spawn.cc (handle): Eliminate second argument.
(spawn_guts): Reflect elimination of argument change to handle.
* syscalls.cc (setsid): Add debugging output when console is freed.
* syscalls.cc (rename): Revert assumption that DELETE_ON_CLOSE works on Win9x.
* fhandler_socket.cc (fhandler_socket::dup): On NT systems avoid
using WinSock2 socket duplication methods. Add comment.
2003-03-11 Pierre Humblet <pierre.humblet@ieee.org>
* fhandler_socket.cc (fhandler_socket::fixup_after_fork):
Set io_handle to INVALID_SOCKET in case of failure.
(fhandler_socket::dup): Return 0 if the io_handle is valid.
Christopher Faylor
Corinna Vinschen
Thomas Pfaff
Pierre Humblet