445 lines
17 KiB
Plaintext
445 lines
17 KiB
Plaintext
2004-01-23 Christopher Faylor <cgf@redhat.com>
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* exceptions.cc (sig_handle_tty_stop): Fix boneheaded mistake by using
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correct check for parent state rather than inverted check mistakenly
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introduced on 2003-09-15.
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2004-01-22 Brian Ford <ford@vss.fsi.com>
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* fhandler_serial.cc (fhandler_serial::raw_write): Prevent a deadlock
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when the input buffer overflows.
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(fhandler_serial::raw_read): Correct to print the actual error and only
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call PurgeComm when necessary.
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2004-01-22 Christopher Faylor <cgf@redhat.com>
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* dcrt0.cc (reent_data): Make global.
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* cygwin.din: Reexport reent_data.
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2004-01-22 Christopher Faylor <cgf@redhat.com>
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* cygtls.cc (_threadinfo::remove): Don't assume that we are removing
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_my_tls.
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* exceptions.cc (setup_handler): Improve debugging output.
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(call_signal_handler_now): Remove ill-advised debugger call.
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* sigproc.cc (sigcomplete_main): Delete.
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(sig_send): Honor FIXME and avoid using main thread's completion event
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for everything or suffer races.
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(pending_signals::add): Default stored mask to current process mask
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rather than mask at time of signal send.
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(wait_sig): Add debugging output.
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* sigproc.h (sigpacket::mask_storage): Delete.
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2004-01-22 Christopher Faylor <cgf@redhat.com>
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* fhandler.cc (fhandler_base::open): Revert isfs change.
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2004-01-21 Christopher Faylor <cgf@redhat.com>
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* devices.in: Change raw com device to more correct form.
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2004-01-21 Christopher Faylor <cgf@redhat.com>
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* fhandler.cc (fhandler_base::open): Use major numbers rather than
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device numbers to control special behavior for devices which take
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units.
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* fhandler_raw.cc (fhandler_dev_raw::writebuf): Ditto.
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(fhandler_dev_raw::fstat): Ditto.
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(fhandler_dev_raw::open): Ditto.
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(fhandler_dev_raw::ioctl): Ditto.
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2004-01-21 Nicholas Wourms <nwourms@netscape.net>
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* signal.cc (sigaction): Fix if-statement typo.
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2004-01-21 Christopher Faylor <cgf@redhat.com>
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* cygtls.cc (handle_threadlist_exception): Change logic, improve
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debugging output.
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2004-01-21 Christopher Faylor <cgf@redhat.com>
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* fhandler_tty.cc (fhandler_tty::ioctl): Semi-revert 2003-09-26 change
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for TIOCSWINSZ. It is not an error for ioctl_request_event to be
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missing.
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2004-01-20 Christopher Faylor <cgf@redhat.com>
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* sigproc.cc (pending_signals::save): New function.
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(pending_signals::restore): Ditto.
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(sig_clear): Save/restore current queue pointer.
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(wait_sig): Delete signals marked as such.
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* sigproc.h (__SIGDELETE): New enum.
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2004-01-20 Christopher Faylor <cgf@redhat.com>
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* include/cygwin/version.h: Bump DLL minor number to 8.
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* cygmalloc.h: Make more concessions to attempts to get debugging
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malloc working.
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* debug.h: Ditto.
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* dlmalloc.cc: Ditto.
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* dlmalloc.h: Ditto.
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* malloc_wrapper.cc: Ditto.
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* perthread.h (perthread::create): Use calloc to ensure zeroed memory.
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2004-01-20 Christopher Faylor <cgf@redhat.com>
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* sec_acl.cc (setacl): Make sure sd_ret is large enough.
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2004-01-19 Christopher Faylor <cgf@redhat.com>
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* sigproc.cc (sigproc_terminate): Don't close sendsig handle when
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execing since we're not closing what we think we're closing.
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(sig_send): Improve debugging when exiting due to no_signals_available.
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* wincap.h (wincaps::cant_debug_dll_entry): New element.
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* wincap.cc: Implement above element throughout.
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* dcrt0.cc (initial_env): Accommodate changes necessary to allow
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initial debugging for systems which do not allow debugging in
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dll_entry.
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(dll_crt0_0): Add initial_env call back here.
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* Makefile.in (install-man): Use mandir as target for installation.
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2004-01-19 Christopher Faylor <cgf@redhat.com>
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* include/cygwin/version.h: Bump DLL minor number to 7 (should have been
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done earlier).
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2004-01-19 Christopher Faylor <cgf@redhat.com>
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* cygwin/include/signal.h: Add copyright notice.
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* cygwin.din: Make clock SIGFE. Add clock_gettime, sigwaitinfo,
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timer_create, timer_delete, timer_settime.
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* include/cygwin/version.h: Reflect above additions.
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* fork.cc (fork_child): Call fixup_timers_after_fork.
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* signal.cc (sigwait): Remove unused variable.
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* timer.cc: New file.
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(clock_gettime): Define new function.
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(timer_tracker): Define new struct used by timer functions.
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(timer_tracker::timer_tracker): New function.
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(to_us): New function.
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(timer_thread): New function.
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(timer_tracker::settime): New function.
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(timer_create): New function.
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(timer_settime): New function.
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(timer_delete): New function.
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(fixup_timers_after_fork): New function.
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* cygthread.cc: Bump thread count.
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2004-01-17 Christopher Faylor <cgf@redhat.com>
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* signal.cc (sigwaitinfo): Define new function.
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(sigwait): Redefine based on sigwaitinfo.
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* include/cygwin/signal.h (sigwaitinfo): Declare.
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(sigwait): Ditto.
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2004-01-17 Christopher Faylor <cgf@redhat.com>
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* dtable.cc (dtable::vfork_parent_restore): Avoid double close of ctty
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when ctty == ctty_on_hold.
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2004-01-16 Christopher Faylor <cgf@redhat.com>
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* cygtls.h (_threadinfo::threadkill): New element.
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(_threadinfo::set_threadkill): Declare new function.
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(_threadinfo::reset_threadkill): Declare new function.
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* dcrt0.cc (dcrt0_1): Call here so that it will be possible to attach
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to running process with #(*& Windows Me/9x.
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(initial_env): Try to initialize strace if uninitialized.
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* gendef: Don't zero signal if threadkill is set since that will happen
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in the called function.
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* signal.cc (sigwait): Ensure cleanup in error conditions.
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* sigproc.cc (sig_send): Clear packet mask storage.
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(wait_subproc): Fill in child exit code in siginfo_t structure.
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* thread.cc (pthread_kill): Set threadkill flag.
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* tlsoffsets.h: Regenerate.
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2004-01-16 Christopher Faylor <cgf@redhat.com>
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Throughout, use siginfo_t to fill out all signal information for
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"kernel" signals.
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* cygtls.h (_threadinfo::set_siginfo): Declare new function.
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* cygtls.cc (_threadinfo::set_siginfo): Define new function.
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* dcrt0.cc (do_exit): Accommodate siginfo_t considerations.
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* exceptions.cc (handle_exceptions): Ditto.
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(sig_handle_tty_stop): Ditto.
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(ctrl_c_handler): Use killsys() to send signal.
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(sigpacket::process): Rename from sig_handle. Use siginfo_t field from
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sigpacket for everything.
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(tty_min::kill_pgrp): Accommodate siginfo_t considerations.
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(fhandler_termios::bg_check): Ditto.
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* fhandler_tty.cc (fhandler_tty_slave::ioctl): Use killsys() to send signal.
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* signal.cc (kill_worker): Rewrite to use siginfo_t second argument.
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(kill_pgrp): Ditto.
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(kill0): Define new function pulled from kill().
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(kill): Rewrite as frontend to kill0.
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(killsys): Define new function.
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* sigproc.cc (sigelem): Eliminate.
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(sigpacket): Move to sigproc.h. Subsume sigelem.
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(pending_signals): Use sigpacket rather than sigelem for everything.
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(sig_clear): Ditto.
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(wait_sig): Ditto.
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(sig_send): Rewrite to use siginfo_t argument.
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(sig_send): New function wratpper to sig_send with siginfo_t argument.
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(wait_subproc): Accommodate siginfo_t considerations.
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* thread.cc (pthread_kill): Ditto.
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* sigproc.h (sigpacket): Move here.
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(sigpacket::process): Declare "new" function.
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(sig_handle): Eliminate declaration.
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(sig_send): Declare with new paramaters.
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(killsys): Declare new function.
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(kill_pgrp): Declare.
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* winsup.h: Move some signal-specific stuff to sigproc.h.
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* include/cygwin/signal.h: Tweak some siginfo_t stuff.
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2004-01-16 Christopher Faylor <cgf@redhat.com>
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* fhandler_console.cc (fhandler_console::close): Remove obsolete test
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for vfork_cleanup.
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* pipe.cc (fhandler_pipe::close): Add comment.
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2004-01-16 Christopher Faylor <cgf@redhat.com>
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* cygheap.cc (init_cygheap::close_ctty): Don't NULL ctty if it is still
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active.
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2004-01-16 Christopher Faylor <cgf@redhat.com>
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* dtable.cc (dtable::vfork_parent_restore): Store ctty_on_hold prior to
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calling close_all_files since it will be zeroed.
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2004-01-15 Christopher Faylor <cgf@redhat.com>
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* gentls_offsets: Reinstate unlink of temp files.
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2004-01-14 Christopher Faylor <cgf@redhat.com>
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* fhandler_console.cc (fhandler_console::close): Fix debugging output.
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(fhandler_console::fixup_after_fork): Decrement open_fhs prior to call
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to fhandler_console::open since this would cause incrementing too much
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incrementing in child processes. (Probably needs to be handled more
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elegantly someday)
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(fhandler_console::fixup_after_exec): Ditto.
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2004-01-14 Christopher Faylor <cgf@redhat.com>
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* cygtls.h (_threadinfo::call): Remove regparm declaration to work
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around compiler bug.
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2004-01-13 Christopher Faylor <cgf@redhat.com>
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* autoload.cc (TryEnterCriticalSection): Remove.
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* dcrt0.cc (dll_crt0_0): Delete inappropriate setting of
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_my_tls.stackptr to NULL since it has really bad consequences. Make
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'si' an automatic variable.
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2004-01-13 Christopher Faylor <cgf@redhat.com>
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* cygtls.cc (_threadinfo::init_thread): Correct thinko which caused
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thread list to be allocated every time.
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* cygtls.h (CYGTLS_PADSIZE): Define as const int.
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* sync.h: Make multiple inclusion safe.
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(muto::next): Eliminate.
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(muto::exiting_thread): New variable.
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(muto::set_exiting_thread): New function.
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(new_muto): Change to use different section for mutos since c++ give
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inexplicable warning in some cases otherwise.
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(new_muto1): Ditto.
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* dcrt0.cc (do_exit): Call muto::set_exiting_thread here.
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* sync.cc (muto_start): Eliminate.
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(muto::acquire): Always give exiting thread a lock. Never give thread
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a lock if exiting.
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(muto::release): Ditto for releasing.
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* dtable.cc (dtable::init_lock): Unline function and define here.
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* dtable.h (lock_cs): Define as a muto since critical sections seem to
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work oddly on Windows Me.
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(lock): Accommodate switch to muto.
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(unlock): Ditto.
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* exceptions.cc (setup_handler): Don't worry about acquiring mutos
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since that hasn't mattered for a long time.
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(signal_exit): Ditto: muto stuff will be handled automatically on exit
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now.
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2004-01-12 Christopher Faylor <cgf@redhat.com>
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* Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL
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initialization.
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* autoload.cc (RegCloseKey): Arbitrarily choose this function as a
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"seed" to pull the advapi32 link library in. So, comment out the
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autoloading.
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* cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE.
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(_threadinfo::remove): Add debugging.
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(_threadinfo::find_tls): Ditto.
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* cygtls.h (_threadinfo::padding): Make zero length (for now?).
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* dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1.
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(dll_crt0_1): See above.
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* dtable.h (dtable::lock): Remove commented out critical section
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locking.
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* dtable.h (dtable::init_lock): Remove commented out critical section
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locking.
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* dtable.h (dtable::unlock): Remove commented out critical section
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locking.
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* exceptions.cc (interruptible): bool'ize.
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* init.cc (threadfunc_fe): Revert to storing threadfunc at stack
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bottom.
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(munge_threadfunc): Ditto. Avoid adding overhead to
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calibration_thread.
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(prime_threads): Don't initialize tls stuff.
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(dll_entry): Make minor change to initialization order.
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* tlsoffsets.h: Regenerate.
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* sigproc.cc (wait_sig): Add sanity check for end of process thread
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exit.
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* select.h: Make minor formatting change.
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2004-01-10 Christopher Faylor <cgf@redhat.com>
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* Makefile.in: Add still more -fomit-frame-pointer functions.
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* dtable.h (dtable::lock): New function.
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(dtable::unlock): New function.
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(dtable::init_lock): New function.
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* cygheap.h (HEAP_TLS): Declare new enum value.
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(init_cygheap::threadlist): Declare new array.
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(init_cygheap::sthreads): Declare new variable.
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(cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock
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functions.
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(cygheap_fdnew::cygheap_fdnew): Ditto.
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(cygheap_fdget::cygheap_fdget): Ditto.
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* dtable.cc (dtable_init): Initialize fdtab critical section.
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(dtable::fixup_after_fork): Ditto.
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(dtable::fixup_after_exec): Ditto.
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(dtable::dup2): Use lock/unlock calls to protect access to fdtab.
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(dtable::find_fifo): Ditto.
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(dtable::fixup_before_fork): Ditto.
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(dtable::fixup_before_exec): Ditto.
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(dtable::set_file_pointers_for_exec): Ditto.
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(dtable::vfork_child_dup): Ditto.
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(dtable::vfork_parent_restore): Ditto.
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* syscalls.cc (close_all_files): Ditto.
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* sync.h (muto::acquired): Declare new function.
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(new_muto1): Declare new macro used to specify name of muto storage.
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* sync.cc (muto::acquired): Define new function.
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* cygthread.cc (cygthread::stub): Remove signal chain removal call
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since it is handled during initialization now.
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* cygthread.cc (cygthread::simplestub): Remove signal chain removal
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call since it is handled during initialization now.
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* cygtls.cc (sentry): New class used for locking. Use throughout.
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(_threadinfo::reset_exception): Don't pop stack.
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(_threadinfo::find_tls): Move from exceptions.cc.
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(_threadinfo::init_thread): Initialize array of threads rather than
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linked list. Take second argument indicating thread function for this
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thread.
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(_threadinfo::remove): Search thread array rather than linked list.
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Use sentry to lock. Only unlock if we got the lock.
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(_threadinfo::find_tls): Ditto for first two.
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(handle_threadlist_exception): Handle exceptions when manipulating the
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thread list in case of premature thread termination.
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(_threadinfo::init_threadlist_exceptions): Ditto.
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* cygtls.h (TLS_STACK_SIZE): Decrease size.
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(_threadinfo::padding): Add element to avoid overwriting lower part of
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stack.
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(_threadinfo::remove): Add a "wait" argument to control how long we
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wait for a lock before removing.
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* exceptions.cc (init_exception_handler): Make global. Take argument
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to control exception handler being set.
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(ctrl_c_handler): Wait forever when removing self from signal chain.
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(_threadinfo::find_tls): Move to cygtls.cc.
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(sig_handle): Reorganize detection for thread-specific signals.
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* heap.cc (heap_init): Rework slightly. Make fatal error more verbose.
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Remove malloc initialization since it can't happen during dll attach.
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* init.cc (search_for): Move address to search for on stack here.
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(threadfunc_ix): Ditto for stack offset. Make shared so that stack
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walk potentially only has to be done once when cygwin processes are
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running.
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(threadfunc_fe): Use standard tls to store thread function (may change
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back later).
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(calibration_thread): New function. Potentially called to find
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threadfunc_ix.
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(munge_threadfunc): Search for "search_for" value on stack. Output
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warning when thread func not found on stack. Use standard tls to store
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thread function.
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(prime_threads): New function. Called to prime thread front end.
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(dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call
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prime_threads here. Try to remove thread from signal list here.
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* sigproc.cc (wait_sig): Initialize threadlist exception stuff here.
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* thread.cc (pthread::exit): Pass argument to signal list remove
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function.
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* thread.h: Remove obsolete *ResourceLock defines.
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* tlsoffsets.h: Regenerate.
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* winsup.h (spf): Define temporary debug macro to be deleted later.
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* dcrt0.cc (dll_crt0_0): New function, called during DLL
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initialization. Mainly consists of code pulled from dll_crt0_1.
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(dll_crt0_1): See above.
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(_dll_crt0): Wait for initial calibration thread to complete, if
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appropriate. Move some stuff to dll_crt0_0.
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(initialize_main_tls): Accommodate argument change to
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_thread_info::init_thread.
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* fork.cc (fork_child): Ditto.
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(sync_with_child): Fix debug message.
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* external.cc (cygwin_internal): Remove special considerations for
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uninitialized dll since initialization happens during dll attach now.
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* dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls.
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(dlclose): Ditto.
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2004-01-05 Christopher Faylor <cgf@redhat.com>
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* cygheap.h (init_cygheap::close_ctty): Declare new function.
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* cygheap.cc (init_cygheap::close_ctty): Define new function.
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* syscalls.cc (close_all_files): Use close_ctty.
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(setsid): Ditto.
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* cygthread.cc (cygthread::stub): Remove exception initialization.
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* cygthread.cc (cygthread::stub): Remove exception initialization.
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(cygthread::simplestub): Ditto.
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* thread.cc (pthread::thread_init_wrapper): Ditto.
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* cygtls.cc (_last_thread): Make static.
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(_threadinfo::call2): Initialize exception handler here.
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(_threadinfo::find_tls): Move here.
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* exceptions.cc (_threadinfo::find_tls): Move.
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* dcrt0.cc (__api_fatal): Add prefix info to message here rather than
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including it in every call to function.
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* winsup.h (api_fatal): Accommodate above change.
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* debug.cc (add_handle): Don't do anything if cygheap not around.
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(mark_closed): Ditto.
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* dll_init.cc (dll_list::detach): Fix debug output.
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* fork.cc (sync_with_child): Ditto.
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(vfork): Improve debug output.
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* heap.cc (heap_init): Ditto.
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* exceptions.cc (try_to_debug): Clarify message when debugger attaches.
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2004-01-03 Christopher Faylor <cgf@redhat.com>
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* exceptions.cc (_threadinfo::interrupt_now): Avoid double call to
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sigdelayed.
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* pinfo.cc (_pinfo::commune_send): Avoid inexplicable test which caused
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most pids to be shown as "<defunct>" on Win9x.
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2004-01-02 Christopher Faylor <cgf@redhat.com>
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* cygheap.h (init_cygheap): Play more vfork shell games and move
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ctty_on_hold and open_fhs_on_hold (back) here.
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* dcrt0.cc (_dll_crt0): Just set impure_ptr_ptr here and let later
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initialization deal with tls.
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* dtable.cc (dtable::vfork_child_fixup): Move ctty considerations here.
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(dtable:vfork_parent_restore): And here.
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* fork.cc (vfork): Reflect change to ctty handling.
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* perthread.h (vfork_save::fhctty): Eliminate.
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* cygwin.din: Make more exports NOSIGFE that will never be interrupted
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by a signal.
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* init.cc (dll_entry): Set stackptr to NULL to catch problems earlier.
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