newlib-cygwin/winsup/cygwin/ChangeLog

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2004-03-05 Christopher Faylor <cgf@redhat.com>
* gendef (sigdelayed): Handle return here rather than going through
sigbe to ensure that flags are properly restored.
2004-03-04 Thomas Pfaff <tpfaff@gmx.net>
* include/pthread.h (PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP): New
define.
(PTHREAD_NORMAL_MUTEX_INITIALIZER_NP): Ditto.
(PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP): Ditto.
* thread.cc (pthread_mutex::is_good_initializer): Check for all
posssible initializers
(pthread_mutex::is_good_initializer_or_object): Ditto.
(pthread_mutex::is_good_initializer_or_bad_object): Ditto.
(verifyable_object_isvalid): Support up to three static initializers.
(verifyable_object_isvalid (void const *,long)): Remove.
(pthread_cond::is_good_initializer_or_bad_object): Remove unneeded
objectState var.
(pthread_cond::init): Condition remains unchanged when creation has
failed.
(pthread_rwlock::is_good_initializer_or_bad_object): Remove unneeded
objectState var.
(pthread_rwlock::init): Rwlock remains unchanged when creation has
failed.
(pthread_mutex::init): Remove obsolete comment. Mutex remains
unchanged when creation has failed. Add support for new initializers.
(pthread_mutex_getprioceiling): Do not create mutex, just return
ENOSYS.
(pthread_mutex_lock): Simplify.
(pthread_mutex_trylock): Remove unneeded local themutex.
(pthread_mutex_unlock): Just return EPERM if mutex is not initialized.
(pthread_mutex_setprioceiling): Do not create mutex, just return
ENOSYS.
* thread.h (verifyable_object_isvalid): Support up to three static
initializers.
(verifyable_object_isvalid (void const *,long)): Remove prototype.
(pthread_mutex::init): Add optional initializer to parameter list.
2004-03-03 Christopher Faylor <cgf@redhat.com>
* gendef (sigreturn): Call stabilize_sig_stack to ensure that there are
no pending signals. Restore edx later.
(sigdelayed): Save edx earlier.
* malloc_wrapper.cc (malloc_init): Add some more debugging output.
2004-03-02 Corinna Vinschen <corinna@vinschen.de>
* fhandler_raw.cc (fhandler_dev_raw::raw_read): When reading with
variable block size, read only one block, read directly into user
supplied buffer, return ENOMEM if user supplied buffer is smaller
than size of next block to read. Use read2 instead of bytes_to_read
to count number of bytes read.
* fhandler_tape.cc (fhandler_dev_tape::open): Add debug output.
2004-02-26 Brian Ford <ford@vss.fsi.com>
* miscfuncs.cc (check_invalid_virtual_addr): Assure the last page
in the range is always tested. Add appropriate const.
* mmap.cc (mmap_record::alloc_fh): Remove unused static path_conf object.
2004-02-25 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (setup_handler): Signal event for any sigwaitinfo, if it
exists, to force signal to be handled. Zero event here to prevent
races.
* signal.cc (sigwaitinfo): Use local handle value for everything since
signal thread could zero event element at any time. Detect when
awaking due to thread not in mask and set return value and errno
accordingly. Don't set signal number to zero unless we've recognized
the signal.
* sigproc.cc (sigq): Rename from sigqueue throughout.
* thread.cc (pthread::join): Handle signals received while waiting for
thread to terminate.
2004-02-25 Christopher Faylor <cgf@redhat.com>
* cygwin.din: Export sighold, sigqueue.
* exceptions.cc (sighold): Define new function.
* signal.cc (handle_sigprocmask): Set correct errno for invalid signal.
Simplify debugging output.
(sigqueue): Define new function.
* include/cygwin/signal.h (sighold): Declare new function.
(sigqueue): Ditto.
* include/cygwin/version.h: Bump API minor version number.
* include/limits.h (TIMER_MAX): Define.
(_POSIX_TIMER_MAX): Ditto.
2004-02-25 Brian Ford <ford@vss.fsi.com>,
Corinna Vinschen <corinna@vinschen.de>
* miscfuncs.cc (check_invalid_virtual_addr): New function.
* winsup.h (check_invalid_virtual_addr): Declare.
* mmap.cc (munmap): Call check_invalid_virtual_addr instead of
IsBadReadPtr.
2004-02-24 Christopher Faylor <cgf@redhat.com>
* gendef (stabilize_sig_stack): Correctly align this pointer for call
to _cygtls::call_signal_handler.
* gentls_offsets: Output sizeof field.
* tlsoffsets.h: Regenerate.
2004-02-24 Christopher Faylor <cgf@redhat.com>
* dcrt0.cc (_dll_crt0): Don't check sync_startup if threadfunc_ix is set.
* external.cc (cygwin_internal): Implement CW_GET_BINMODE.
* include/sys/cygwin.h: Declare CW_GET_BINMODE.
2004-02-24 Christopher Faylor <cgf@redhat.com>
* dcrt0.cc (_dll_crt0): Add some stern internal errors.
2004-02-24 Corinna Vinschen <corinna@vinschen.de>
* thread.cc (pthread::cancelable_wait): Rearrange slightly.
Add do_sig_wait parameter. Wait for signal_arrived if set to true.
Return WAIT_SIGNALED if signal arrived.
(pthread_cond::wait): Accomodate change to pthread::cancelable_wait.
(pthread::join): Ditto.
(semaphore::_timedwait): Ditto.
(semaphore::_wait): Ditto. Change to return int to allow status
feedback.
(semaphore::wait): Return return value from semaphore::_wait.
* thread.h (WAIT_SIGNALED): New definition.
(pthread::cancelable_wait): Change declaration. Define do_sig_wait
as false by default to not interfere with existing calls accidentally.
(semaphore::_wait): Declare int.
2004-02-21 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (sigpacket::process): Make sure that tls is filled in
for SIGSTOP condition.
(_cygtls::call_signal_handler): Restore signal mask using saved oldmask
rather than current oldmask.
2004-02-20 Christopher Faylor <cgf@redhat.com>
* path.cc (conv_path_list): Return error condition.
(copy1): New function.
(copyenc): New function.
(mount_item::fnmunge): Return error condition. Use new functions to
copy strings.
(mount_item::build_win32): Ditto.
(mount_info::conv_to_win32_path): Return error condition.
(cygwin_conv_to_posix_path): Return result of path conversion.
(cygwin_conv_to_full_posix_path): Ditto.
(return_with_errno): New macro.
(cygwin_win32_to_posix_path_list): Use new macro to potentially set
errno.
(cygwin_posix_to_win32_path_list): Ditto.
* path.h (mount_item::fnmunge): Add size argument.
(mount_item::build_win32): Ditto.
2004-02-20 Corinna Vinschen <corinna@vinschen.de>
* getopt.c: Avoid useless compiler warnings.
2004-02-20 Corinna Vinschen <corinna@vinschen.de>
* getopt.c: Replace with latest vanilla(!) OpenBSD version 1.16.
2004-02-18 Christopher Faylor <cgf@redhat.com>
* fork.cc (fork_child): Invert sense of test which defeated correct
handling in a fork from a non-main thread.
* dcrt0.cc (initial_env): Eliminate parameter and just send DebugBreak
when appropriate.
(dll_crt0_0): Reflect parameter change to initial_env.
(dll_crt0_1): Don't call initial_env.
2004-02-18 Christopher Faylor <cgf@redhat.com>
* gendef (stabilize_sig_stack): New function.
(setjmp): Import, add sig stack handling. Store sig stack info.
(longjmp): Call stabilize_sig_stack. Restore sig stack info.
* config/i386/setjmp.c: Remove.
2004-02-17 Corinna Vinschen <corinna@vinschen.de>
* fork.cc (fork_child): Move fixup_shms_after_fork so that
signal_arrived is initialized when calling it.
2004-02-17 Christopher Faylor <cgf@redhat.com>
* Makefile.in (clean): Clean libserver, too.
* fhandler.cc (fhandler_base::~fhandler_base): Remove path_conv cleanup.
* syscalls.cc (chroot): Ditto.
* path.cc (path_conv::~path_conv): Define new destructor.
(conv_path_list_buf_size): Remove explicit path_conv cleanup.
* path.h (path_conv::~path_conv): Declare new destructor.
2004-02-16 Christopher Faylor <cgf@redhat.com>
* Makefile.in: Compile flock.o with -fomit-frame-pointer.
2004-02-16 Christopher Faylor <cgf@redhat.com>
* Makefile.in: Compile dlfcn.o with -fomit-frame-pointer.
2004-02-16 Christopher Faylor <cgf@redhat.com>
* Makefile.in: Compile delqueue.o with -fomit-frame-pointer.
2004-02-16 Pierre Humblet <pierre.humblet@ieee.org>
* syscalls.cc (rename): Do not test the MoveFile error code
where MoveFileEx exists.
2004-02-15 Christopher Faylor <cgf@redhat.com>
* cygheap.cc (_csbrk): Report more debugging details on failing
condition.
2004-02-14 Christopher Faylor <cgf@redhat.com>
* Makefile.in: Compile syscalls.o with -fomit-frame-pointer.
* sigproc.cc: Eliminate unused variable.
2004-02-14 Corinna Vinschen <corinna@vinschen.de>
* getopt.c: Replace with latest NetBSD version 1.16. Keep Cygwin
specific changes as minimal as possible.
2004-02-13 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (proc_subproc): Change warning back to silent debug
output.
2004-02-13 Christopher Faylor <cgf@redhat.com>
* dcrt0.cc (alloc_stack_hard_way): Revert to previous implementation.
(alloc_stack): Ditto.
* exceptions.cc (ctrl_c_handler): Add debugging output.
2004-02-13 Christopher Faylor <cgf@redhat.com>
* Makefile.in (clean): Remove sigfe.s.
(sigfe.s): Ensure that sigfe.s will be regenerated if it does not exist.
* dll_init.cc (dll_dllcrt0): Simplify initializing tests.
* exceptions.cc (setup_handler): Detect when stub caller is either
spinning or has acquired the lock after being suspended to avoid
windows problems with suspending a win32 API call.
* cygtls.h (_cygtls::spinning): Declare new element.
* gendef: Remove unused _siglist_index and _siglist declaration.
(_sigfe): Set spinning element when potentially looping, waiting for lock.
(_sigbe): Ditto.
(_cygtls::lock): Ditto.
(_longjmp): Ditto.
* tlsoffsets.h: Regenerate.
* pinfo.cc (_pinfo::exit): Set final exit state here. Call sigproc_terminate if
invoked with 'norecord'. Clear any residual _cygtls stuff.
* winsup.h (exit_states): Define ES_FINAL.
* spawn.cc (spawn_guts): Don't call proc_terminate specifically when
execing. Let _pinfo::exit handle that case.
* sigproc.cc (wait_subproc): Always exit loop early when proc_loop_wait.
* init.cc (munge_threadfunc): Eliminate unused argument.
(dll_entry): Reflect above change in call to munge_threadfunc.
2004-02-11 Christopher Faylor <cgf@redhat.com>
* gendef (_sigbe): Zero location on pop.
(_cygtls::pop): Ditto.
2004-02-11 Christopher Faylor <cgf@redhat.com>
* dcrt0.cc (alloc_stack_hard_way): Eliminate second argument.
(alloc_stack): Remove use of 'b' throughout.
2004-02-11 Christopher Faylor <cgf@redhat.com>
Rename _threadinfo to _cygtls, throughout.
* cygtls.h (_cygtls::call_signal_handler): Rename from
call_signal_handler_now.
(_cygtls::push): Make second argument mandatory.
(_cygtls::fixup_after_fork): Declare new function.
(_cygtls::lock): Ditto.
* cygtls.cc (_cygtls::fixup_after_fork): Define new function.
* dcrt0.cc (cygwin_finished_initializing): Define as bool.
(alloc_stack): Use _tlstop rather than arbitrary variable in probably
vain attempt to avoid strange fork problem on CTRL-C.
(dll_crt0_0): Remove obsolete winpids::init call.
* dll_init.cc (dll_dllcrt0): Detect forkee condition as equivalent to
initializing.
* winsup.h (cygwin_finished_initializing): Declare as bool.
* exceptions.cc (handle_exceptions): Rely on
cygwin_finished_initializing to determine how to handle exception
during process startup.
(_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::interrupt_now): Fill in second argument to push.
(signal_fixup_after_fork): Eliminate.
(setup_handler): Initialize locked to avoid potential inappropriate
unlock. Resume thread if it has acquired the stack lock.
(ctrl_c_handler): Just exit if ctrl-c is hit before cygiwn has finished
initializing.
* fork.cc (sync_with_child): Don't call abort since it can cause exit
deadlocks.
(sync_with_child): Change debugging output slightly.
(fork_child): Set cygwin_finished_initializing here. Call _cygtls fork
fixup and explicitly call sigproc_init.
(fork_parent): Release malloc lock on fork failure.
(vfork): Call signal handler via _my_tls.
* sigproc.cc (sig_send): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* signal.cc (nanosleep): Ditto.
(abort): Ditto.
(kill_pgrp): Avoid killing self if exiting.
* sync.cc (muto::acquire): Remove (temporarily?) ill-advised
exiting_thread check.
* gendef (_sigfe): Be more agressive in protecting stack pointer from
other access by signal thread.
(_cygtls::locked): Define new function.
(_sigbe): Ditto.
(_cygtls::pop): Protect edx.
(_cygtls::lock): Use guaranteed method to set eax to 1.
(longjmp): Aggressively protect signal stack.
* miscfuncs.cc (low_priority_sleep): Reduce "sleep time" for secs == 0.
* pinfo.cc (winpids::set): Counterintuitively use malloc's lock to
protect simultaneous access to the pids list since there are
pathological conditions which can cause malloc to call winpid.
(winpids::init): Eliminate.
* pinfo.h (winpids::cs): Eliminate declaration.
* pinfo.h (winpids::init): Eliminate definition.
2004-02-11 Corinna Vinschen <corinna@vinschen.de>
* security.cc (get_nt_object_attribute): Fix error handling.
2004-02-09 Ralf Habacker <ralf.habacker@freenet.de>
* fhandler_socket.cc (fhandler_socket::ioctl): Add FIONREAD handling.
2004-02-08 Christopher Faylor <cgf@redhat.com>
* debug.h (console_printf): Define for non-debugging condition.
* cygtls.h (_threadinfo::lock): Remove wait argument.
(_threadinfo::interrupt_setup): Remove retaddr argument.
* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
(_threadinfo::interrupt_now): Accommodate change to interrupt_setup
argument.
(setup_handler): Ditto. Always lock sig stack prior to determining
interrupt method.
* gendef (_sigfe): Correct thinko regarding cmpxchg.
(_sigbe): Ditto.
(_threadinfo::lock): Ditto.
(_threadinfo::pop): Eliminate left-over stack unlock.
* sigproc.cc (proc_subproc): Change debugging output to printed
warning.
2004-02-08 Christopher Faylor <cgf@redhat.com>
* localtime.cc (localtime_r): Call tzset.
* Makefile.in: Make version.h/cygwin.din version check a warning since
it is not foolproof.
* cygheap.h (CYGHEAPSIZE): Bump size down.
* cygtls.h (_threadinfo::stacklock): New element.
(_threadinfo::pop): Make regparm.
(_threadinfo::lock): New function.
(_threadinfo::unlock): New function.
* cygtls.cc (_threadinfo::push): Wait for a lock on the stack before
performing the operation.
(_threadinfo::pop): Move to another file.
* cygwin.din: More SIGFE changes.
* exceptions.cc (try_to_debug): Always display messages on console.
(handle_exceptions): Unwind stack only when actually about to call
sig_send.
(setup_handler): Lock stack prior to performing any operations.
* gendef (_sigfe): Ditto.
(_sigbe): Ditto.
(_threadinfo::pop): Ditto. Move here.
* gen_tlsoffsets: Generate positive offsets.
* tlsoffsets.h: Regenerate.
2004-02-06 Corinna Vinschen <corinna@vinschen.de>
* cygserver.h (CYGWIN_SERVER_VERSION_API): Bump.
* cygserver_ipc.h (struct proc): Add signal_arrived member.
(ipc_set_proc_info): Inititalize blk.signal_arrived.
2004-02-06 Pierre Humblet <pierre.humblet@ieee.org>
* uinfo.cc (cygheap_user::init): Use sec_user_nih to build a
security descriptor. Set both the process and the default DACLs.
* fork.cc (fork_parent): Use sec_none_nih security attributes.
* spawn.cc (spawn_guts): Ditto.
2004-02-05 Christopher Faylor <cgf@redhat.com>
* cygwin.din: Make many more functions SIGFE.
* include/cygwin/version.h (CYGWIN_VERSION_SHARED_DATA): Bump.
2004-02-05 Pierre Humblet <pierre.humblet@ieee.org>
* security.h (SID): New macro.
(well_known_*_sid): Change type to cygpsid.
(cygsid::init): Delete declaration.
* sec_helper.cc (well_known_*_sid): Define using above SID macro.
(cygsid::init): Delete.
* dcrt0.cc (dll_crt0_0): Do not call cygsid::init.
* security.cc (get_user_local_groups): Change the second argument type
to cygpsid.
2004-02-03 Christopher Faylor <cgf@redhat.com>
* cygtls.h (_local_storage::signamebuf): Increase size to prevent
overflow on really odd values.
* tlsoffsets.h: Regenerate.
2004-02-03 Christopher Faylor <cgf@redhat.com>
* Makefile.in (DLL_OFILES): Add strsig.o.
* cygtls.h (_local_storage::signamebuf): New element.
* sysconf.cc (sysconf): Implement _SC_RTSIG_MAX.
* tlsoffsets.h: Regenerate.
* include/limits.h (_POSIX_RTSIG_MAX): New define.
(RTSIG_MAX): Ditto.
* include/cygwin/signal.h (SIGRTMIN): New define.
(SIGRTMAX): Ditto.
(NSIG): Bump.
* strsig.cc: New file.
2004-02-03 Jason Tishler <jason@tishler.net>
* window.cc (Winmain): Show windows error code in error output when
RegisterClass fails.
2004-02-02 Christopher Faylor <cgf@redhat.com>
* fhandler.h (*::fixup_after_exec): Eliminate unused handle argument.
* fhandler.h (dtable::fixup_after_exec): Eliminate unused handle
argument.
* dcrt0.cc (dll_crt0_1): Reflect elimination of unused handle argument
to fixup_after_exec.
* dtable.cc (dtable::fixup_after_exec): Ditto.
* fhandler_console.cc (fhandler_console::fixup_after_exec): Ditto.
* fhandler_dsp.cc (fhandler_dsp::fixup_after_exec): Ditto.
* fhandler_raw.cc (fhandler_raw::fixup_after_exec): Ditto.
* fhandler_socket.cc (fhandler_socket::fixup_after_exec): Ditto.
* fhandler_virtual.cc (fhandler_virtual::fixup_after_exec): Ditto.
* pipe.cc (fhandler_pipe::fixup_after_exec): Ditto.
2004-02-02 Pierre Humblet <pierre.humblet@ieee.org>
* spawn.cc (spawn_guts): Do not set ciresrv.parent.
* child_info.h (child_info_spawn::~child_info_spawn): Do not close
parent. Update CURR_CHILD_INFO_MAGIC.
* dcrt0.cc (dll_crt0_0): Do not close spawn_info->parent. Pass NULL to
cygheap->fdtab.fixup_after_exec().
2004-02-02 Christopher Faylor <cgf@redhat.com>
Throughout, change name from set_inheritance to set_no_inheritance to
better reflect input arguments of this function.
* cygheap.h (CYGHEAPSIZE): Increase size of cygheap to something closer
to the 21st century.
2004-02-02 Corinna Vinschen <corinna@vinschen.de>
* cygerrno.h (set_errno): Replace semicolon with comma in non-DEBUGGING
version to avoid compile time error.
2004-02-01 Christopher Faylor <cgf@redhat.com>
* cygerrno.h (set_errno): Set global errno whenever setting thread
specific version.
* debug.cc (__set_errno): Ditto.
* exceptions.cc (handle_sigsuspend): Remove spurious
sig_dispatch_pending call.
(set_signal_mask): When there seem to be pending signals to dispatch,
tell signal_dispatch_pending/sig_send not to specifically call any
handlers.
* sigproc.h (sig_dispatch_pending): Change declaration to void.
* sigproc.cc (sig_dispatch_pending): Change definition to void. Take
an argument to determine whether to tell sig_send to wait for handler
to be called.
* sigproc.cc (sig_send): Don't call signal handler when sig ==
__SIGFLUSHFAST.
(wait_sig): Honor __SIGFLUSHFAST. Guard against sigpacket::process
nuking si_signo.
* sigproc.h (__SIGFLUSHFAST): Define new special signal.
(sig_dispatch_pending): Change declaration to void. Take optional
boolean argument.
* fork.cc (vfork): Add debugging output.
2004-01-26 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (sig_handle_tty_stop): Avoid races by waiting for both
signal_arrived and for sigCONT.
(sigpacket::process): Enforce sending of both signal_arrived and
sigCONT, where appropriate.
* gendef (sigreturn): Save tls pointer in ebx so that it can jump into
sigdelayed and use the same register.
2004-01-26 Christopher Faylor <cgf@redhat.com>
* cygtls.cc (_threadinfo::init_thread): Add more local reent stdio
initialization.
* dcrt0.cc (initial_env): Can it really be true that XP doesn't allow
attaching a debugger during DLL attach? Add temporary workaround.
(dll_crt0_0): Ensure that _impure_ptr stdio is initialized before any
threads.
(dll_crt0_1): Move _impure_ptr initialization to dll_crt0_0.
* exceptions.cc (try_to_debug): Reinstate old method for looping while
debugging.
* syscalls.cc (_cygwin_istext_for_stdio): Regularize debugging output.
Remove hopefully extraneous check.
(setmode_helper): Add debugging output for improbable case. Use
"binary" rather "raw" for consistency.
2004-01-25 Christopher Faylor <cgf@redhat.com>
* fhandler.cc (fhandler_base::fhaccess): Avoid always setting errno to
EACCESS when return value is < 0. Rely on errno being set properly.
2004-01-25 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (proc_subproc): Don't protect *child's* handle.
2004-01-24 Christopher Faylor <cgf@redhat.com>
* fhandler.h (fhandler_base::fhaccess): Return int for compatibility
with access.
* fhandler.cc (fhandler_base::fhaccess): Return int. Use consistent
variable name for exit value. Exit at bottom, printing debugging
information, like other cygwin functions.
2004-01-23 Christopher Faylor <cgf@redhat.com>
* cygheap.cc (init_cygheap::close_ctty): Protect YA vforkism.
* fhandler.h (fhandler_base::has_acls): Make pass through for path_conv
method.
(fhandler_base::isremote): Ditto.
(fhandler_base::is_fs_special): Ditto.
(fhandler_base::has_attribute): Ditto. Define new function.
(fhandler_base::fhaccess): Declare new function based on access_worker.
(fhandler_base::set_has_acls): Eliminate obsolete function.
(fhandler_base::set_isremote): Ditto.
* fhandler.cc (fhandler_base::fhaccess): Move from syscalls.cc and into
fhandler_base class. Use fhandler methods to access data rather than
path_conv stuff.
(fhandler_base::device_access_denied): Use fhaccess method.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
(fhandler_base::open_fs): Remove calls to obsolete functions.
* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
* winsup.h (access_worker): Remove obsolete access_worker declaration.
*syscalls.cc (access_worker): Move function to fhandler.cc.
(access): Use fhaccess method.
* pinfo.cc (_pinfo::set_ctty): Clarify debugging output.
* sigproc.cc (sig_dispatch_pending): Ditto.
* syscalls.cc (setsid): Perform minor rearrangement.
2004-01-23 Pierre Humblet <pierre.humblet@ieee.org>
* fhandler_socket.cc (fhandler_socket::create_secret_event): Avoid
creating multiple handles. Always allow event inheritance but set the
handle inheritance appropriately. Improve error handling.
(fhandler_socket::check_peer_secret_event): Improve error handling.
(fhandler_socket::close_secret_event): Simply call CloseHandle.
(fhandler_socket::set_close_on_exec): Set secret event inheritance.
2004-01-23 Christopher Faylor <cgf@redhat.com>
* configure.in: Remove NEWVFORK default.
* configure: Regenerate.
* dcrt0.cc: Conditionalize vfork stuff throughout.
* dtable.cc: Ditto.
* perthread.h: Ditto.
* pipe.cc (fhandler_pipe::close): Ditto.
* spawn.cc (spawnve): Ditto.
* syscalls.cc (setsid): Ditto.
* exceptions.cc (sigpacket::process): Use macro to refer to vfork pid.
* debug.cc (verify_handle): Define new function.
* debug.h (VerifyHandle): Define new macro.
(verify_handle): Declare new function
* fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not
supposed to be in use.
(fhandler_base::set_inheritance): Ditto.
(fhandler_base::fork_fixup): Ditto.
* fhandler_socket.cc (fhandler_socket::dup): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* net.cc (set_socket_inheritance): Ditto.
* pinfo.cc (pinfo_fixup_after_exec): Ditto.
* sigproc.cc (proc_subproc): Ditto.
(sig_send): Ditto.
* spawn.cc (spawn_guts): Ditto.
* thread.cc (pthread::init_mainthread): Ditto.
* pipe.cc (fhandler_pipe::close): Close read_state with
ForceCloseHandle since it was protected.
(fhandler_pipe::fixup_after_exec): Protect read_state handle.
(fhandler_pipe::dup): Correctly close open handles on error condition.
Verify that dup'ed handle is not supposed to be in use.
(fhandler_pipe::create): Protect read_state.
2004-01-23 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (sig_handle_tty_stop): Fix boneheaded mistake by using
correct check for parent state rather than inverted check mistakenly
introduced on 2003-09-15.
2004-01-22 Brian Ford <ford@vss.fsi.com>
* fhandler_serial.cc (fhandler_serial::raw_write): Prevent a deadlock
when the input buffer overflows.
(fhandler_serial::raw_read): Correct to print the actual error and only
call PurgeComm when necessary.
2004-01-22 Christopher Faylor <cgf@redhat.com>
* dcrt0.cc (reent_data): Make global.
* cygwin.din: Reexport reent_data.
2004-01-22 Christopher Faylor <cgf@redhat.com>
* cygtls.cc (_threadinfo::remove): Don't assume that we are removing
_my_tls.
* exceptions.cc (setup_handler): Improve debugging output.
(call_signal_handler_now): Remove ill-advised debugger call.
* sigproc.cc (sigcomplete_main): Delete.
(sig_send): Honor FIXME and avoid using main thread's completion event
for everything or suffer races.
(pending_signals::add): Default stored mask to current process mask
rather than mask at time of signal send.
(wait_sig): Add debugging output.
* sigproc.h (sigpacket::mask_storage): Delete.
2004-01-22 Christopher Faylor <cgf@redhat.com>
* fhandler.cc (fhandler_base::open): Revert isfs change.
2004-01-21 Christopher Faylor <cgf@redhat.com>
* devices.in: Change raw com device to more correct form.
2004-01-21 Christopher Faylor <cgf@redhat.com>
* fhandler.cc (fhandler_base::open): Use major numbers rather than
device numbers to control special behavior for devices which take
units.
* fhandler_raw.cc (fhandler_dev_raw::writebuf): Ditto.
(fhandler_dev_raw::fstat): Ditto.
(fhandler_dev_raw::open): Ditto.
(fhandler_dev_raw::ioctl): Ditto.
2004-01-21 Nicholas Wourms <nwourms@netscape.net>
* signal.cc (sigaction): Fix if-statement typo.
2004-01-21 Christopher Faylor <cgf@redhat.com>
* cygtls.cc (handle_threadlist_exception): Change logic, improve
debugging output.
2004-01-21 Christopher Faylor <cgf@redhat.com>
* fhandler_tty.cc (fhandler_tty::ioctl): Semi-revert 2003-09-26 change
for TIOCSWINSZ. It is not an error for ioctl_request_event to be
missing.
2004-01-20 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (pending_signals::save): New function.
(pending_signals::restore): Ditto.
(sig_clear): Save/restore current queue pointer.
(wait_sig): Delete signals marked as such.
* sigproc.h (__SIGDELETE): New enum.
2004-01-20 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number to 8.
* cygmalloc.h: Make more concessions to attempts to get debugging
malloc working.
* debug.h: Ditto.
* dlmalloc.cc: Ditto.
* dlmalloc.h: Ditto.
* malloc_wrapper.cc: Ditto.
* perthread.h (perthread::create): Use calloc to ensure zeroed memory.
2004-01-20 Christopher Faylor <cgf@redhat.com>
* sec_acl.cc (setacl): Make sure sd_ret is large enough.
2004-01-19 Christopher Faylor <cgf@redhat.com>
* sigproc.cc (sigproc_terminate): Don't close sendsig handle when
execing since we're not closing what we think we're closing.
(sig_send): Improve debugging when exiting due to no_signals_available.
* wincap.h (wincaps::cant_debug_dll_entry): New element.
* wincap.cc: Implement above element throughout.
* dcrt0.cc (initial_env): Accommodate changes necessary to allow
initial debugging for systems which do not allow debugging in
dll_entry.
(dll_crt0_0): Add initial_env call back here.
* Makefile.in (install-man): Use mandir as target for installation.
2004-01-19 Christopher Faylor <cgf@redhat.com>
* include/cygwin/version.h: Bump DLL minor number to 7 (should have been
done earlier).
2004-01-19 Christopher Faylor <cgf@redhat.com>
* cygwin/include/signal.h: Add copyright notice.
* cygwin.din: Make clock SIGFE. Add clock_gettime, sigwaitinfo,
timer_create, timer_delete, timer_settime.
* include/cygwin/version.h: Reflect above additions.
* fork.cc (fork_child): Call fixup_timers_after_fork.
* signal.cc (sigwait): Remove unused variable.
* timer.cc: New file.
(clock_gettime): Define new function.
(timer_tracker): Define new struct used by timer functions.
(timer_tracker::timer_tracker): New function.
(to_us): New function.
(timer_thread): New function.
(timer_tracker::settime): New function.
(timer_create): New function.
(timer_settime): New function.
(timer_delete): New function.
(fixup_timers_after_fork): New function.
* cygthread.cc: Bump thread count.
2004-01-17 Christopher Faylor <cgf@redhat.com>
* signal.cc (sigwaitinfo): Define new function.
(sigwait): Redefine based on sigwaitinfo.
* include/cygwin/signal.h (sigwaitinfo): Declare.
(sigwait): Ditto.
2004-01-17 Christopher Faylor <cgf@redhat.com>
* dtable.cc (dtable::vfork_parent_restore): Avoid double close of ctty
when ctty == ctty_on_hold.
2004-01-16 Christopher Faylor <cgf@redhat.com>
* cygtls.h (_threadinfo::threadkill): New element.
(_threadinfo::set_threadkill): Declare new function.
(_threadinfo::reset_threadkill): Declare new function.
* dcrt0.cc (dcrt0_1): Call here so that it will be possible to attach
to running process with #(*& Windows Me/9x.
(initial_env): Try to initialize strace if uninitialized.
* gendef: Don't zero signal if threadkill is set since that will happen
in the called function.
* signal.cc (sigwait): Ensure cleanup in error conditions.
* sigproc.cc (sig_send): Clear packet mask storage.
(wait_subproc): Fill in child exit code in siginfo_t structure.
* thread.cc (pthread_kill): Set threadkill flag.
* tlsoffsets.h: Regenerate.
2004-01-16 Christopher Faylor <cgf@redhat.com>
Throughout, use siginfo_t to fill out all signal information for
"kernel" signals.
* cygtls.h (_threadinfo::set_siginfo): Declare new function.
* cygtls.cc (_threadinfo::set_siginfo): Define new function.
* dcrt0.cc (do_exit): Accommodate siginfo_t considerations.
* exceptions.cc (handle_exceptions): Ditto.
(sig_handle_tty_stop): Ditto.
(ctrl_c_handler): Use killsys() to send signal.
(sigpacket::process): Rename from sig_handle. Use siginfo_t field from
sigpacket for everything.
(tty_min::kill_pgrp): Accommodate siginfo_t considerations.
(fhandler_termios::bg_check): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::ioctl): Use killsys() to send signal.
* signal.cc (kill_worker): Rewrite to use siginfo_t second argument.
(kill_pgrp): Ditto.
(kill0): Define new function pulled from kill().
(kill): Rewrite as frontend to kill0.
(killsys): Define new function.
* sigproc.cc (sigelem): Eliminate.
(sigpacket): Move to sigproc.h. Subsume sigelem.
(pending_signals): Use sigpacket rather than sigelem for everything.
(sig_clear): Ditto.
(wait_sig): Ditto.
(sig_send): Rewrite to use siginfo_t argument.
(sig_send): New function wratpper to sig_send with siginfo_t argument.
(wait_subproc): Accommodate siginfo_t considerations.
* thread.cc (pthread_kill): Ditto.
* sigproc.h (sigpacket): Move here.
(sigpacket::process): Declare "new" function.
(sig_handle): Eliminate declaration.
(sig_send): Declare with new paramaters.
(killsys): Declare new function.
(kill_pgrp): Declare.
* winsup.h: Move some signal-specific stuff to sigproc.h.
* include/cygwin/signal.h: Tweak some siginfo_t stuff.
2004-01-16 Christopher Faylor <cgf@redhat.com>
* fhandler_console.cc (fhandler_console::close): Remove obsolete test
for vfork_cleanup.
* pipe.cc (fhandler_pipe::close): Add comment.
2004-01-16 Christopher Faylor <cgf@redhat.com>
* cygheap.cc (init_cygheap::close_ctty): Don't NULL ctty if it is still
active.
2004-01-16 Christopher Faylor <cgf@redhat.com>
* dtable.cc (dtable::vfork_parent_restore): Store ctty_on_hold prior to
calling close_all_files since it will be zeroed.
2004-01-15 Christopher Faylor <cgf@redhat.com>
* gentls_offsets: Reinstate unlink of temp files.
2004-01-14 Christopher Faylor <cgf@redhat.com>
* fhandler_console.cc (fhandler_console::close): Fix debugging output.
(fhandler_console::fixup_after_fork): Decrement open_fhs prior to call
to fhandler_console::open since this would cause incrementing too much
incrementing in child processes. (Probably needs to be handled more
elegantly someday)
(fhandler_console::fixup_after_exec): Ditto.
2004-01-14 Christopher Faylor <cgf@redhat.com>
* cygtls.h (_threadinfo::call): Remove regparm declaration to work
around compiler bug.
2004-01-13 Christopher Faylor <cgf@redhat.com>
* autoload.cc (TryEnterCriticalSection): Remove.
* dcrt0.cc (dll_crt0_0): Delete inappropriate setting of
_my_tls.stackptr to NULL since it has really bad consequences. Make
'si' an automatic variable.
2004-01-13 Christopher Faylor <cgf@redhat.com>
* cygtls.cc (_threadinfo::init_thread): Correct thinko which caused
thread list to be allocated every time.
* cygtls.h (CYGTLS_PADSIZE): Define as const int.
* sync.h: Make multiple inclusion safe.
(muto::next): Eliminate.
(muto::exiting_thread): New variable.
(muto::set_exiting_thread): New function.
(new_muto): Change to use different section for mutos since c++ give
inexplicable warning in some cases otherwise.
(new_muto1): Ditto.
* dcrt0.cc (do_exit): Call muto::set_exiting_thread here.
* sync.cc (muto_start): Eliminate.
(muto::acquire): Always give exiting thread a lock. Never give thread
a lock if exiting.
(muto::release): Ditto for releasing.
* dtable.cc (dtable::init_lock): Unline function and define here.
* dtable.h (lock_cs): Define as a muto since critical sections seem to
work oddly on Windows Me.
(lock): Accommodate switch to muto.
(unlock): Ditto.
* exceptions.cc (setup_handler): Don't worry about acquiring mutos
since that hasn't mattered for a long time.
(signal_exit): Ditto: muto stuff will be handled automatically on exit
now.
2004-01-12 Christopher Faylor <cgf@redhat.com>
* Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL
initialization.
* autoload.cc (RegCloseKey): Arbitrarily choose this function as a
"seed" to pull the advapi32 link library in. So, comment out the
autoloading.
* cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE.
(_threadinfo::remove): Add debugging.
(_threadinfo::find_tls): Ditto.
* cygtls.h (_threadinfo::padding): Make zero length (for now?).
* dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1.
(dll_crt0_1): See above.
* dtable.h (dtable::lock): Remove commented out critical section
locking.
* dtable.h (dtable::init_lock): Remove commented out critical section
locking.
* dtable.h (dtable::unlock): Remove commented out critical section
locking.
* exceptions.cc (interruptible): bool'ize.
* init.cc (threadfunc_fe): Revert to storing threadfunc at stack
bottom.
(munge_threadfunc): Ditto. Avoid adding overhead to
calibration_thread.
(prime_threads): Don't initialize tls stuff.
(dll_entry): Make minor change to initialization order.
* tlsoffsets.h: Regenerate.
* sigproc.cc (wait_sig): Add sanity check for end of process thread
exit.
* select.h: Make minor formatting change.
2004-01-10 Christopher Faylor <cgf@redhat.com>
* Makefile.in: Add still more -fomit-frame-pointer functions.
* dtable.h (dtable::lock): New function.
(dtable::unlock): New function.
(dtable::init_lock): New function.
* cygheap.h (HEAP_TLS): Declare new enum value.
(init_cygheap::threadlist): Declare new array.
(init_cygheap::sthreads): Declare new variable.
(cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock
functions.
(cygheap_fdnew::cygheap_fdnew): Ditto.
(cygheap_fdget::cygheap_fdget): Ditto.
* dtable.cc (dtable_init): Initialize fdtab critical section.
(dtable::fixup_after_fork): Ditto.
(dtable::fixup_after_exec): Ditto.
(dtable::dup2): Use lock/unlock calls to protect access to fdtab.
(dtable::find_fifo): Ditto.
(dtable::fixup_before_fork): Ditto.
(dtable::fixup_before_exec): Ditto.
(dtable::set_file_pointers_for_exec): Ditto.
(dtable::vfork_child_dup): Ditto.
(dtable::vfork_parent_restore): Ditto.
* syscalls.cc (close_all_files): Ditto.
* sync.h (muto::acquired): Declare new function.
(new_muto1): Declare new macro used to specify name of muto storage.
* sync.cc (muto::acquired): Define new function.
* cygthread.cc (cygthread::stub): Remove signal chain removal call
since it is handled during initialization now.
* cygthread.cc (cygthread::simplestub): Remove signal chain removal
call since it is handled during initialization now.
* cygtls.cc (sentry): New class used for locking. Use throughout.
(_threadinfo::reset_exception): Don't pop stack.
(_threadinfo::find_tls): Move from exceptions.cc.
(_threadinfo::init_thread): Initialize array of threads rather than
linked list. Take second argument indicating thread function for this
thread.
(_threadinfo::remove): Search thread array rather than linked list.
Use sentry to lock. Only unlock if we got the lock.
(_threadinfo::find_tls): Ditto for first two.
(handle_threadlist_exception): Handle exceptions when manipulating the
thread list in case of premature thread termination.
(_threadinfo::init_threadlist_exceptions): Ditto.
* cygtls.h (TLS_STACK_SIZE): Decrease size.
(_threadinfo::padding): Add element to avoid overwriting lower part of
stack.
(_threadinfo::remove): Add a "wait" argument to control how long we
wait for a lock before removing.
* exceptions.cc (init_exception_handler): Make global. Take argument
to control exception handler being set.
(ctrl_c_handler): Wait forever when removing self from signal chain.
(_threadinfo::find_tls): Move to cygtls.cc.
(sig_handle): Reorganize detection for thread-specific signals.
* heap.cc (heap_init): Rework slightly. Make fatal error more verbose.
Remove malloc initialization since it can't happen during dll attach.
* init.cc (search_for): Move address to search for on stack here.
(threadfunc_ix): Ditto for stack offset. Make shared so that stack
walk potentially only has to be done once when cygwin processes are
running.
(threadfunc_fe): Use standard tls to store thread function (may change
back later).
(calibration_thread): New function. Potentially called to find
threadfunc_ix.
(munge_threadfunc): Search for "search_for" value on stack. Output
warning when thread func not found on stack. Use standard tls to store
thread function.
(prime_threads): New function. Called to prime thread front end.
(dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call
prime_threads here. Try to remove thread from signal list here.
* sigproc.cc (wait_sig): Initialize threadlist exception stuff here.
* thread.cc (pthread::exit): Pass argument to signal list remove
function.
* thread.h: Remove obsolete *ResourceLock defines.
* tlsoffsets.h: Regenerate.
* winsup.h (spf): Define temporary debug macro to be deleted later.
* dcrt0.cc (dll_crt0_0): New function, called during DLL
initialization. Mainly consists of code pulled from dll_crt0_1.
(dll_crt0_1): See above.
(_dll_crt0): Wait for initial calibration thread to complete, if
appropriate. Move some stuff to dll_crt0_0.
(initialize_main_tls): Accommodate argument change to
_thread_info::init_thread.
* fork.cc (fork_child): Ditto.
(sync_with_child): Fix debug message.
* external.cc (cygwin_internal): Remove special considerations for
uninitialized dll since initialization happens during dll attach now.
* dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls.
(dlclose): Ditto.
2004-01-05 Christopher Faylor <cgf@redhat.com>
* cygheap.h (init_cygheap::close_ctty): Declare new function.
* cygheap.cc (init_cygheap::close_ctty): Define new function.
* syscalls.cc (close_all_files): Use close_ctty.
(setsid): Ditto.
* cygthread.cc (cygthread::stub): Remove exception initialization.
* cygthread.cc (cygthread::stub): Remove exception initialization.
(cygthread::simplestub): Ditto.
* thread.cc (pthread::thread_init_wrapper): Ditto.
* cygtls.cc (_last_thread): Make static.
(_threadinfo::call2): Initialize exception handler here.
(_threadinfo::find_tls): Move here.
* exceptions.cc (_threadinfo::find_tls): Move.
* dcrt0.cc (__api_fatal): Add prefix info to message here rather than
including it in every call to function.
* winsup.h (api_fatal): Accommodate above change.
* debug.cc (add_handle): Don't do anything if cygheap not around.
(mark_closed): Ditto.
* dll_init.cc (dll_list::detach): Fix debug output.
* fork.cc (sync_with_child): Ditto.
(vfork): Improve debug output.
* heap.cc (heap_init): Ditto.
* exceptions.cc (try_to_debug): Clarify message when debugger attaches.
2004-01-03 Christopher Faylor <cgf@redhat.com>
* exceptions.cc (_threadinfo::interrupt_now): Avoid double call to
sigdelayed.
* pinfo.cc (_pinfo::commune_send): Avoid inexplicable test which caused
most pids to be shown as "<defunct>" on Win9x.
2004-01-02 Christopher Faylor <cgf@redhat.com>
* cygheap.h (init_cygheap): Play more vfork shell games and move
ctty_on_hold 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.