231 lines
9.5 KiB
Plaintext
231 lines
9.5 KiB
Plaintext
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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