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cf0fd0161c
glibc/linuxthreads/ChangeLog
Ulrich Drepper cf0fd0161c (sigaction): Handle NULL argument. 
1998-08-08 11:18  H.J. Lu  <hjl@gnu.org>

	* signals.c (sigaction): Handle NULL argument.
1998-08-09 09:02:55 +00:00

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1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
* signals.c (sigaction): Handle NULL argument.
1998-08-04 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
of sigset_t.
1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile (linuxthreads-version): Extract correct number from
Banner.
1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
* Banner: Bump version number to 0.8
* FAQ.html: Many updates, in particular w.r.t. debugging.
* manager.c: Support for non-default stacksize for
LinuxThreads-allocated stacks;
don't use guard pages for stacks with default size, rely on
rlimit(RLIMIT_STACK) instead (it's cheaper).
* attr.c: Likewise.
* cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
* condvar.c: Likewise.
* internals.h: Likewise.
* restart.h: Likewise.
* signals.c: Likewise.
* pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* weaks.c: Define pthread_mutexattr_[sg]ettype instead of
__pthread_mutexattr_[sg]ettype. Add more weak aliases.
* Versions: Put __pthread_mutexattr_settype under version
GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
__pthread_mutexattr_gettype.
1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/pthread/bits/libc-lock.h: Make
__pthread_mutexattr_settype weak. Don't make
__pthread_mutexattr_setkind_np weak.
1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
* manager.c (pthread_handle_create): Check whether sched_setscheduler
call can succeed here.
* mutex.c: Define __pthread_mutexattr_settype and make
__pthread_mutexattr_setkind_np an alias.
Likewise for __pthread_mutexattr_gettype.
1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
* attr.c (pthread_attr_setschedpolicy): Don't check whether caller
is root.
1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* Examples/ex6.c: Include <unistd.h> for usleep.
1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Examples/ex4.c (main): Use exit, not pthread_exit.
1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
* Versions: Add __pthread_mutexattr_gettype and
__pthread_mutexattr_settype.
* lockfile.c: Use __pthread_mutexattr_settype instead of
__pthread_mutexattr_setkind_np.
* mutex.c: Define __pthread_mutexattr_gettype and
__pthread_mutexattr_settype.
* weak.c: Likewise.
* sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
__pthread_mutexattr_settype.
* sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
Use __pthread_mutexattr_settype.
1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
* Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
* mutex.c: Define weak alias pthread_mutexattr_gettype and
pthread_mutexattr_settype.
* sysdeps/pthread/pthread.h: Declare these functions.
Move pthread_sigmask and pthread_kill declaration in separate header.
* sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
* Makefile: Add rules to compile and run tests.
* Examples/ex1.c: Little changes to fix warnings.
* Examples/ex2.c: Likewise.
* Examples/ex3.c: Likewise.
* Examples/ex4.c: Likewise.
* Examples/ex5.c: Likewise.
* Examples/ex6.c: New file.
1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
* Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* attr.c: Include <string.h>.
1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
* attr.c: Include errno.h. Use memcpy to copy sched_param.
* internals.h: Include limits.h.
* manager.c: Use memcpy to copy sched_param.
* ptfork.c: Include errno.h.
* pthread.c: Likewise.
* semaphore.c: Likewise.
* specific.c: Likewise.
* spinlock.h: Likewise.
* sysdeps/pthread/pthread.h: Include only allowed headers. Move
type definition to ...
* sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
* sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
as macros as demanded in POSIX.1, Annex C.
1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
* internals.h (struct pthread_request): For free use pthread_t
instead of pthread_descr.
* join.c (pthread_join): Pass thread_id, not th to manager.
(pthread_detach): Likewise.
* manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
(pthread_exited): Remove detached queue code.
(pthread_handle_free): Expect thread ID parameter and use it to
validate the thread decsriptor. Don't use detached queue.
Patches by Xavier Leroy.
1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
_IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
__pthread_atfork, __pthread_key_create, __pthread_once.
* internals.h: Doc fix.
* pthread.c (__pthread_initialize): Define again.
1998-06-26 Ulrich Drepper <drepper@cygnus.com>
* manager.c (pthread_exited): If thread is not detached put it on
special list.
(pthread_handle_free): If thread is not on list with living threads
search on list with detached threads.
* sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
for new definition of pthread_rwlock_t.
* spinlock.c: Correct test whether to compile
__pthread_compare_and_swap or not.
1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
* attr.c: Finish user stack support. Change locking code to be safe
in situations with different priorities.
* cancel.c: Likewise.
* condvar.c: Likewise.
* internals.h: Likewise.
* join.c: Likewise.
* manager.c: Likewise.
* mutex.c: Likewise.
* pthread.c: Likewise.
* ptlongjmp.c: Likewise.
* queue.h: Likewise.
* rwlock.c: Likewise.
* semaphore.c: Likewise.
* semaphore.h: Likewise.
* signals.c: Likewise.
* spinlock.c: Likewise.
* spinlock.h: Likewise.
* sysdeps/pthread/pthread.h: Likewise.
Patches by Xavier Leroy.
* sysdeps/i386/i686/pt-machine.h: New file.
1998-06-25 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
[sg]et_stackaddr prototypes always available.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
_POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
1998-06-24 Ulrich Drepper <drepper@cygnus.com>
* manager.c (pthread_free): Undo patch from 980430.
Reported by David Wragg <dpw@doc.ic.ac.uk>.
1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
* manager.c: Define __pthread_manager_adjust_prio and use it to
increase priority when needed.
* internals.h: Add prototype for __pthread_manager_adjust_prio.
* mutex.c: Optimize mutexes to wake up only one thread.
* pthread.c: Move PID of manager for global variable in structure
element.
Patches by Xavier Leroy.
1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* attr.c: Correct typo.
1998-05-01 Ulrich Drepper <drepper@cygnus.com>
* manager.c (pthread_free): Unmap guard before the stack.
Patch by Matthias Urlichs.
1998-04-30 Ulrich Drepper <drepper@cygnus.com>
* manager.c (pthread_free): Detect already free child.
Patch by Xavier Leroy, reported by Matthias Urlichs.
1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makefile (linuxthreads-version): Renamed back from
libpthread-version.
1998-04-21 Ulrich Drepper <drepper@cygnus.com>
* ptlongjmp.c: Add prototypes for __libc_siglongjmp and
__libc_longjmp.
1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
* Makefile (libpthread-routines): Add ptlongjmp and spinlock.
* internals.h: Add definitions for new spinlock implementation.
* ptlongjmp.c: New file.
* spinlock.c: New file.
* spinlock.h (acquire): Don't reschedule using __sched_yield, use
new function __pthread_acquire to prevent deadlocks with thread
with different priorities.
Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* manager.c (__pthread_manager): Reduce first argument to select
to include just the needed file descriptor.
1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
* manager.c: Fix last patch which caused core dumps.
* pthread.c: Correctly handle missing SIGRTMIN.
1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libpthread.map: Add __libc_internal_tsd_get and
__libc_internal_tsd_set. Add missing cancelable functions. Export
libc internal versions of the cancelable functions.
1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
* weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
* attr.c: Implement pthread_attr_[gs]etguardsize,
pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
Change pthread_attr_init to have two interfaces.
* internals.h (struct _pthread_descr_struct): Add new fields for
above functions.
* libpthread.map: Add names in GLIBC_2.1 section.
* manager.c (pthread_handle_create): Implement guardsize and
user stack.
(pthread_free): Likewise.
* pthread.c (pthread_create): Add new interface for changed
pthread_attr_t.
* sysdeps/pthread/pthread.h: Add prototypes for new functions.
* sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
PTHREAD_STACK_MIN.
1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
* manager.c: Enable resetting of the thread scheduling policy
to SCHED_OTHER when the parent thread has a different one.
1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
_POSIX_ASYNCHRONOUS_IO.
* sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
mutexes.
* mutex.c: Implement new mutex types.
* internals.h: Include <signal.h>.
* libpthread.map: Add __erno_location and __h_errno_location.
* errno.c: Return pointer to variable actually in use. This might
not be the one in the thread structure.
* internals.h (struct _pthread_descr_struct): Add new fields p_errnop
and p_h_errnop.
* manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
of manager thread structure.
(pthread_handle_create): Set p_errnop and p_h_errnop members for new
thread.
* pthread.c: Adapt initializer for thread structures.
(__pthread_initial_thread): Set p_errnop and p_h_errnop member.
(__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
current thread to global variables.
1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
* rwlock.c: New file.
* Makefile (libpthread-routines): Add rwlock.
* sysdeps/pthread/pthread.h: Define data structures and declare
functions.
* libpthread.map: Add new functions.
1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
* sysdeps/arm/pt-machine.h: New file; add ARM support.
* sysdeps/arm/Implies: likewise.
* README: Document it.
1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* signals.c: Remove unneeded initializer for sigwaited, saving a
warning.
1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* semaphore.c (sem_init): Set sem_spinlock only if available.
1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
* mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
* sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
* Makefile: Update from LinuxThreads 0.7.
* internals.h. Likewise.
* manager.c: Likewise.
* mutex.c: Likewise.
* pthread.c: Likewise.
* signals.c: Likewise.
* specific.c: Likewise.
* Examples/ex3.c: Likewise.
1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
* pthread.c (__pthread_reset_main_thread): Close pipe only if still
open.
1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
* wrapsyscall.c: Add socket functions which are also cancelation
points.
1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
* specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
New functions for fast thread specific data within libc.
* internals.h: Add new array p_libc_specific to struct
_pthread_descr_struct.
* sysdeps/pthread/bits/libc-lock.h: Declare new functions.
1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
* semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
* internals.h (struct _pthread_descr_struct): Add definitions for
two-level specific key handling.
* manager.c (pthread_handle_create): Initialize specific memory array.
* specific.c: Implement two-level key handling.
* weaks.c: Don't provide dummy key handling.
* sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
Add definition of __libc_key_t.
* sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
as 1024.
Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
PTHREAD_DESTRUCTOR_ITERATIONS.
* manager.c (pthread_handle_create): Compare mmap result with
MAP_FAILED.
* ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
* sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
sysdeps/sparc -> sysdeps/sparc/sparc32
sysdeps/sparc64 -> sysdeps/sparc/sparc64
* internals.h: Change definition of THREAD_SELF to be an expression,
not a statement that did a return.
* sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
* sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
Follow Solaris and use a "system reserved" register (%g6) to hold
the thread descriptor.
* sysdeps/sparc/sparc64/pt-machine.h: Likewise.
1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
* mutex.c: Correct pthread_once. Patch by Xavier Leroy.
* sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
* sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
* semaphore.c: Include spinlock.h only when needed.
* specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
keys for entries not in use.
* weaks.c: Implement key handling functions for real.
1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
Initial sparc64-linux support:
* linuxthreads/sysdeps/sparc64/Implies: New file.
* linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
* semaphore.c: Include spinlock.h at correct place.
Patch by HJ Lu.
1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
The Great Bit File Move:
* sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
* sysdeps/powerpc/semaphorebits.h: Likewise.
* sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
* sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
* sysdeps/pthread/libc-lock.h: -> bits/
* sysdeps/pthread/stdio-lock.h: Likewise.
* sysdeps/unix/sysv/linux/local_lim.h: Likewise.
* sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
* semaphore.h: Likewise.
* sysdeps/pthread/pthread.h: Likewise.
* lockfile.c: <foo.h> -> <bits/foo.h>.
* semaphore.h: Likewise.
* Makefile: (headers): foo.h -> bits/foo.h.
* sysdeps/pthread/Makefile: Likewise.
1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* semaphore.c (sem_init): Set sem_spinlock only if available.
* sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
asm constraints.
1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
Update from LinuxThreads 0.6.
* attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
and __sched_get_priority_min instead of names without `__'.
* manager.c: Rewrite large parts to implement opaque pthread_t.
* cancel.c: Adapt for opaque pthread_t type.
* condvar.c: Likewise.
* errno.c: Likewise.
* join.c: Likewise.
* mutex.c: Likewise.
* pthread.c: Likewise.
* signals.c: Likewise.
* specific.c: Likewise.
* restart.h: Likewise.
* queue.h: Likewise.
* Examples/ex3.c: Likewise.
* Examples/ex4.c: Likewise.
* sysdeps/pthread/pthread.h: Likewise.
* pthread.c: Accumulate time for all threads in thread manager.
* semaphore.c: Implement fallback implementation for architectures
sometimes missing compare-exchange operations.
* cancel.c (pthread_cancel): Validate handle argument.
* join.c (pthread_join): Likewise.
(pthread_detach): Likewise.
* signals.c (pthread_kill): Likewise.
* spinlock.h (acquire): Use __sched_yield not sched_yield.
* queue.h (enqueue): Enqueue thread according to priority.
* internals.c (struct pthread_start_args): New struct for passing
args to cloning function.
(struct _pthread): Rename to _pthread_descr_struct and adapt for
opaque pthread_t.
* Examples/Makefile (clean): Pass -f option to rm.
* sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
and define TEST_FOR_COMPARE_AND_SWAP.
* sysdeps/i386/i486/pt-machine.h: Removed.
* sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
to 1024.
1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
* restart.h (suspend): Clear p_signal before suspending.
(suspend_with_cancellation): Likewise.
Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
* weaks.c: Make __pthread_key_create return 1.
* sysdeps/pthread/libc-lock.h: Define __libc_key_create,
__libc_getspecific, __libc_setspecific, and __libc_key_t.
* sysdeps/pthread/stdio-lock.h: Don't care for implementation not
using libio.
1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
* sysdeps/sparc/pt-machine (RELEASE): Fix.
1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
* sysdeps/powerpc/Implies: Added.
* sysdeps/powerpc/pt-machine.h: Added.
* sysdeps/powerpc/semaphorebits.h: Added.
1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
* linuxtheads/pthread.c (__pthread_initial_thread): Correct
initializer.
(__pthread_manager_thread): Likewise.
Reported by Andreas Jaeger.
1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
Since sigset_t no longer fits in a register, we can't pass in the
thread's initial mask so easily. Take this opportunity to simplify
the clone implementation by only accepting a single void* argument.
* linuxthreads/manager.c (__pthread_manager): Put thread vitals
in the thread struct instead of as arguments through clone.
(pthread_start_thread): Look for them there.
* linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
* linuxthreads/pthread.c (pthread_initialize_manager): Revise
clone invocation.
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