1 1999-05-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3 * man/pthread_cond_init.man: Correct example.
4 Reported by Tomas Berndtsson <tomas@nocrew.org>.
6 * linuxthreads.texi (Condition Variables): Likewise.
8 1999-05-18 Jakub Jelinek <jj@ultra.linux.cz>
10 * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): Use
11 casx not cas, also successful casx returns the old value in rd
12 and not the new value.
14 1999-05-16 Xavier Leroy <Xavier.Leroy@inria.fr>
16 * manager.c: If pthread_create() is given a NULL attribute
17 and the thread manager runs with a realtime policy, set the
18 scheduling policy of the newly created thread back to SCHED_OTHER.
19 * manager.c: If the PTHREAD_INHERIT_SCHED attribute is given,
20 initialize the schedpolicy field of new_thread->p_start_args
21 to that of the calling thread.
23 1999-04-29 Ulrich Drepper <drepper@cygnus.com>
25 * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): cas
26 instruction does not allow memory element to use offset.
28 1999-04-28 Ulrich Drepper <drepper@cygnus.com>
30 * manager.c (pthread_allocate_stack): Optimize initialization of new
33 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_define_initialized):
34 Don't use initializer since it is all zeroes.
35 (__libc_once_define): Likewise.
37 1999-04-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
39 * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg
40 doesn't exist anymore.
41 * sysdeps/i386/Implies: Likewise.
42 * sysdeps/m68k/Implies: Likewise.
43 * sysdeps/mips/Implies: Likewise.
44 * sysdeps/powerpc/Implies: Likewise.
45 * sysdeps/sparc/sparc32/Implies: Likewise.
46 * sysdeps/sparc/sparc64/Implies: Likewise.
48 1999-04-15 Ulrich Drepper <drepper@cygnus.com>
50 * sysdeps/alpha/bits/semaphore.h: Removed.
51 * sysdeps/powerpc/bits/semaphore.h: Removed.
52 * sysdeps/pthread/cmpxchg/bits/semaphore.h: Removed.
53 * sysdeps/pthread/no-cmpxchg/bits/semaphore.h: Removed.
54 * Makefile (headers): Remove bits/semaphore.h.
56 * semaphore.h: Define _pthread_descr if necessary.
57 Don't include limits.h. Define SEM_VALUE_MAX directly.
59 (sem_t): Protect element names with leading __.
60 Add declarations for sem_close, sem_open, and sem_unlink.
61 * semaphore.c: Adjust all functions for new element names.
62 Define sem_close, sem_open, and sem_unlink.
63 * Versions (libthread): Add sem_close, sem_open, and sem_unlink for
65 * sysdeps/pthread/bits/pthreadtypes.h: Define _pthread_descr only if
68 1999-03-16 H.J. Lu <hjl@gnu.org>
70 * specific.c (pthread_key_delete): Check th->p_terminated to see
71 if the thread is running.
73 * Versions (__libc_internal_tsd_get, __libc_internal_tsd_set):
74 Added to GLIBC_2.0 for libc.so.
76 1999-02-12 H.J. Lu <hjl@gnu.org>
78 * Versions (__libc_current_sigrtmin, __libc_current_sigrtmax,
79 __libc_allocate_rtsig): Added to GLIBC_2.1.
81 * internals.h (DEFAULT_SIG_RESTART): Removed.
82 (DEFAULT_SIG_CANCEL): Removed.
84 * pthread.c (init_rtsigs, __libc_current_sigrtmin,
85 __libc_current_sigrtmax, __libc_allocate_rtsig): New functions.
86 (__pthread_sig_restart, __pthread_sig_cancel,
87 __pthread_sig_debug): Initialized.
88 (pthread_initialize): Call init_rtsigs () to initialize
91 1999-02-03 H.J. Lu <hjl@gnu.org>
93 * manager.c (__pthread_manager): Do block __pthread_sig_debug.
94 Don't restart the thread which sent REQ_DEBUG.
95 (pthread_start_thread): Check if __pthread_sig_debug > 0
98 * pthread.c (__pthread_initialize_manager): Suspend ourself
99 after sending __pthread_sig_debug to gdb instead of
100 __pthread_sig_cancel.
102 1999-01-24 H.J. Lu <hjl@gnu.org>
104 * manager.c (__pthread_manager): Delete __pthread_sig_debug
105 from mask if __pthread_sig_debug > 0.
106 (pthread_handle_create): Increment __pthread_handles_num.
108 * manager.c (pthread_handle_create): Don't pass CLONE_PTRACE to clone.
109 * pthread.c (__pthread_initialize_manager): Likewise.
111 * pthread.c (pthread_initialize): Use __libc_allocate_rtsig (1)
112 instead of __libc_allocate_rtsig (2).
113 (__pthread_initialize_manager): Send __pthread_sig_debug to gdb
114 instead of __pthread_sig_cancel.
115 (pthread_handle_sigdebug): Fix comments.
117 1999-01-21 Ulrich Drepper <drepper@cygnus.com>
119 * manager.c (pthread_allocate_stack): Set
120 __pthread_nonstandard_stacks if user-specified stack is used.
122 1999-01-16 Ulrich Drepper <drepper@cygnus.com>
124 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO,
125 _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98.
127 1999-01-07 Xavier Leroy <Xavier.Leroy@inria.fr>
129 * pthread.c: Use a third signal __pthread_sig_debug distinct
130 from __pthread_sig_cancel to notify gdb when a thread is
132 * manager.c: Likewise.
133 * internals.h: Likewise.
134 * signals.c: The implementation of sigwait(s) assumed that
135 all signals in s have signal handlers already attached.
136 This is not required by the standard, so make it work
137 also if some of the signals have no handlers.
139 1999-01-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
141 * linuxthreads.texi: Remove pointers from first @node. Move old
142 @node spec inside comment.
144 1998-12-31 Ulrich Drepper <drepper@cygnus.com>
146 * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
149 1998-12-29 Ulrich Drepper <drepper@cygnus.com>
151 * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
152 lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
154 1998-12-21 Ulrich Drepper <drepper@cygnus.com>
156 * manager.c: Threads now send __pthread_sig_cancel on termination.
157 Change clone call and signal masks.
158 * thread.c (pthread_handle_sigrestart): Remove special code for
160 (pthread_handle_sigcancel): In manager thread call
161 __pthread_manager_sighandler.
162 * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
163 * sysdeps/i386/i686/pt-machine.h: Likewise.
164 Patches by Xavier Leroy.
166 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
168 * spinlock.c (__pthread_unlock): Don't crash if called for an
169 untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
171 * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
174 1998-12-13 Ulrich Drepper <drepper@cygnus.com>
176 * Examples/ex3.c: Wait until all threads are started before
177 searching for the number to avoid race condition on very fast
180 1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
182 * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
183 declaration since it's not needed.
185 * sysdeps/pthread/pthread.h: Move internal functions to ...
186 * internals.h: ...here.
188 1998-12-02 H.J. Lu <hjl@gnu.org>
190 * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
192 (__pthread_sig_cancel): Likewise.
194 1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
196 * wrapsyscall.c: Include <sys/mman.h> for msync,
197 <stdlib.h> for system and <termios.h> for tcdrain prototype.
198 Correct msync declaration.
200 1998-11-29 Roland McGrath <roland@baalperazim.frob.com>
202 * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
203 __libc_tsd_set): New macros for new interface.
204 * no-tsd.c: New file, provide uninitialized defns of
205 __libc_internal_tsd_get and __libc_internal_tsd_set.
206 * Makefile (routines): Add no-tsd.
208 1998-10-12 Roland McGrath <roland@baalperazim.frob.com>
210 * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
211 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
212 __libc_internal_tsd_set): Move decls to ...
213 * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
216 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
217 __libc_internal_tsd_set): Make these pointers to functions, not
218 functions; remove #pragma weak decls for them.
219 * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
220 Define static functions and initialized pointers to them.
222 1998-11-18 Ulrich Drepper <drepper@cygnus.com>
224 * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
225 (CFLAGS-specific.c): Likewise.
226 (CFLAGS-pthread.c): Likewise.
227 (CFLAGS-ptfork.c): Likewise.
228 (CFLAGS-cancel.c): Likewise.
229 * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
230 as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
232 * mutex.c (pthread_mutex_init): Define as strong symbol.
233 (pthread_mutex_destroy): Likewise.
234 (pthread_mutex_trylock): Likewise.
235 (pthread_mutex_lock): Likewise.
236 (pthread_mutex_unlock): Likewise.
237 (pthread_mutexattr_init): Likewise.
238 (pthread_mutexattr_destroy): Likewise.
239 (pthread_once): Likewise.
240 * ptfork.c (pthread_atfork): Likewise.
241 * specific.c (pthread_key_create): Likewise.
242 (pthread_setspecific): Likewise.
243 (pthread_getspecific): Likewise.
245 1998-11-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
247 * linuxthreads.texi: Fix punctuation after xref.
249 1998-11-10 H.J. Lu <hjl@gnu.org>
251 * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
252 if it is defined in <linux/limits.h>.
254 1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com>
256 * spinlock.h (__pthread_trylock): Define inline.
257 (__pthread_lock): Add extra parameter to declaration. Declare
258 using internal_function.
259 (__pthread_unlock): Declare using internal_function.
260 * spinlock.c (__pthread_lock): Add new parameter. Use it instead
261 of local variable self. Avoid recomputing self. Define using
263 (__pthread_trylock): Remove.
264 (__pthread_unlock): Define using internal_function.
265 * cancel.c: Adjust for __pthread_lock interface change. Use already
266 computed self value is possible.
267 * condvar.c: Likewise.
269 * manager.c: Likewise.
271 * pthread.c: Likewise.
272 * rwlock.c: Likewise.
273 * semaphore.c: Likewise.
274 * signals.c: Likewise.
276 1998-10-27 13:46 Ulrich Drepper <drepper@cygnus.com>
278 * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
279 __ to field names of the struct.
280 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
282 (pthread_attr_t): Likewise.
283 (pthread_cond_t): Likewise.
284 (pthread_condattr_t): Likewise.
285 (pthread_mutex_t): Likewise.
286 (pthread_mutexattr_t): Likewise.
287 (pthread_rwlock_t): Likewise.
288 (pthread_rwlockattr_t): Likewise.
289 * attr.c: Adjust for pthread.h and pthreadtypes.h change.
290 * cancel.c: Likewise.
291 * condvar.c: Likewise.
292 * manager.c: Likewise.
294 * pthread.c: Likewise.
295 * ptlongjmp.c: Likewise.
296 * rwlock.c: Likewise.
297 * spinlock.c: Likewise.
299 1998-10-09 Ulrich Drepper <drepper@cygnus.com>
301 * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
304 * sysdeps/i386/i686/pt-machine.h: Remove unused inline
307 * Makefile (libpthread-routines): Add pt-machine.
308 * pt-machine.c: New file.
309 * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
310 yet defined. Use PT_EI in extern inline definitions.
311 * sysdeps/arm/pt-machine.h: Likewise.
312 * sysdeps/i386/pt-machine.h: Likewise.
313 * sysdeps/i386/i686/pt-machine.h: Likewise.
314 * sysdeps/m68k/pt-machine.h: Likewise.
315 * sysdeps/mips/pt-machine.h: Likewise.
316 * sysdeps/powerpc/pt-machine.h: Likewise.
317 * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
318 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
320 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
322 * semaphore.h: Include <sys/types.h> so that _pthread_descr
325 1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
327 * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
329 * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
331 1998-09-12 14:24 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
333 * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add
334 multiple inclusion guard.
336 1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
338 * signals.c (sigaction): Check that sig is less than NSIG to avoid
339 array index overflow.
341 1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com>
343 * sysdeps/pthread/semaphore.h: New file.
345 1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com>
347 * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
348 _LIBC_TSD_KEY_DL_ERROR.
350 1998-08-31 Ulrich Drepper <drepper@cygnus.com>
352 * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
353 * sysdeps/i386/pt-machine.h: Likewise.
354 Suggested by Roland McGrath.
356 1998-08-28 13:58 Ulrich Drepper <drepper@cygnus.com>
358 * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
359 access thread data with non-constant offsets.
360 * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
363 * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and
364 THREAD_SETMEM_NC definitions.
366 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
368 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
370 1998-08-26 15:46 Ulrich Drepper <drepper@cygnus.com>
372 * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
374 (struct _pthread_descr_struct): Add p_self and p_nr field.
375 * manager.c (__pthread_handles): Define second element to point
377 (__pthread_handles_num): Initialize to 2.
378 (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
379 (pthread_start_thread): Likewise.
380 (pthread_handle_create): Start search for free slot at entry 2.
381 Initialize new fields p_self and p_nr.
382 Call __clone with CLONE_PTRACE if available.
383 (pthread_free): Call FREE_THREAD_SELF if available.
384 * pthread.c (__pthread_initial_thread): Initialize new fields.
385 (__pthread_manager_thread): Likewise.
386 (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
388 * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
389 elements of the thread descriptor.
390 * condvar.c: Likewise.
393 * manager.c: Likewise.
394 * pthread.c: Likewise.
395 * ptlongjmp.c: Likewise.
396 * semaphore.c: Likewise.
397 * signals.c: Likewise.
398 * specific.c: Likewise.
399 * spinlock.c: Likewise.
401 * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
403 * sysdeps/i386/useldt.h: New file.
404 * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
406 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
407 THREAD_SETMEM using __thread_self.
408 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
410 1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
412 * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
413 turned out that we didn't need to queue after all.
415 1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
417 * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
418 and wastes space; correct types.
420 1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
422 * signals.c (sigaction): Handle NULL argument.
424 1998-08-04 Ulrich Drepper <drepper@cygnus.com>
426 * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
429 1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
431 * Makefile (linuxthreads-version): Extract correct number from
434 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
436 * Banner: Bump version number to 0.8
437 * FAQ.html: Many updates, in particular w.r.t. debugging.
438 * manager.c: Support for non-default stacksize for
439 LinuxThreads-allocated stacks;
440 don't use guard pages for stacks with default size, rely on
441 rlimit(RLIMIT_STACK) instead (it's cheaper).
443 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
444 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
445 * condvar.c: Likewise.
446 * internals.h: Likewise.
447 * restart.h: Likewise.
448 * signals.c: Likewise.
449 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
451 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
453 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
454 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
455 * Versions: Put __pthread_mutexattr_settype under version
456 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
457 __pthread_mutexattr_gettype.
459 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
461 * sysdeps/pthread/bits/libc-lock.h: Make
462 __pthread_mutexattr_settype weak. Don't make
463 __pthread_mutexattr_setkind_np weak.
465 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
467 * manager.c (pthread_handle_create): Check whether sched_setscheduler
468 call can succeed here.
470 * mutex.c: Define __pthread_mutexattr_settype and make
471 __pthread_mutexattr_setkind_np an alias.
472 Likewise for __pthread_mutexattr_gettype.
474 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
476 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
479 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
481 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
483 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
485 * Examples/ex6.c: Include <unistd.h> for usleep.
487 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
489 * Examples/ex4.c (main): Use exit, not pthread_exit.
491 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
493 * Versions: Add __pthread_mutexattr_gettype and
494 __pthread_mutexattr_settype.
495 * lockfile.c: Use __pthread_mutexattr_settype instead of
496 __pthread_mutexattr_setkind_np.
497 * mutex.c: Define __pthread_mutexattr_gettype and
498 __pthread_mutexattr_settype.
500 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
501 __pthread_mutexattr_settype.
502 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
503 Use __pthread_mutexattr_settype.
505 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
507 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
508 * mutex.c: Define weak alias pthread_mutexattr_gettype and
509 pthread_mutexattr_settype.
510 * sysdeps/pthread/pthread.h: Declare these functions.
511 Move pthread_sigmask and pthread_kill declaration in separate header.
512 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
514 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
516 * Makefile: Add rules to compile and run tests.
517 * Examples/ex1.c: Little changes to fix warnings.
518 * Examples/ex2.c: Likewise.
519 * Examples/ex3.c: Likewise.
520 * Examples/ex4.c: Likewise.
521 * Examples/ex5.c: Likewise.
522 * Examples/ex6.c: New file.
524 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
526 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
528 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
530 * attr.c: Include <string.h>.
532 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
534 * attr.c: Include errno.h. Use memcpy to copy sched_param.
535 * internals.h: Include limits.h.
536 * manager.c: Use memcpy to copy sched_param.
537 * ptfork.c: Include errno.h.
538 * pthread.c: Likewise.
539 * semaphore.c: Likewise.
540 * specific.c: Likewise.
541 * spinlock.h: Likewise.
542 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
543 type definition to ...
544 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
546 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
548 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
550 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
551 as macros as demanded in POSIX.1, Annex C.
553 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
555 * internals.h (struct pthread_request): For free use pthread_t
556 instead of pthread_descr.
557 * join.c (pthread_join): Pass thread_id, not th to manager.
558 (pthread_detach): Likewise.
559 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
560 (pthread_exited): Remove detached queue code.
561 (pthread_handle_free): Expect thread ID parameter and use it to
562 validate the thread decsriptor. Don't use detached queue.
563 Patches by Xavier Leroy.
565 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
567 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
568 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
569 __pthread_atfork, __pthread_key_create, __pthread_once.
570 * internals.h: Doc fix.
571 * pthread.c (__pthread_initialize): Define again.
573 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
575 * manager.c (pthread_exited): If thread is not detached put it on
577 (pthread_handle_free): If thread is not on list with living threads
578 search on list with detached threads.
580 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
581 for new definition of pthread_rwlock_t.
583 * spinlock.c: Correct test whether to compile
584 __pthread_compare_and_swap or not.
586 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
588 * attr.c: Finish user stack support. Change locking code to be safe
589 in situations with different priorities.
590 * cancel.c: Likewise.
591 * condvar.c: Likewise.
592 * internals.h: Likewise.
594 * manager.c: Likewise.
596 * pthread.c: Likewise.
597 * ptlongjmp.c: Likewise.
599 * rwlock.c: Likewise.
600 * semaphore.c: Likewise.
601 * semaphore.h: Likewise.
602 * signals.c: Likewise.
603 * spinlock.c: Likewise.
604 * spinlock.h: Likewise.
605 * sysdeps/pthread/pthread.h: Likewise.
606 Patches by Xavier Leroy.
608 * sysdeps/i386/i686/pt-machine.h: New file.
610 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
612 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
613 [sg]et_stackaddr prototypes always available.
615 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
616 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
618 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
620 * manager.c (pthread_free): Undo patch from 980430.
621 Reported by David Wragg <dpw@doc.ic.ac.uk>.
623 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
625 * manager.c: Define __pthread_manager_adjust_prio and use it to
626 increase priority when needed.
627 * internals.h: Add prototype for __pthread_manager_adjust_prio.
628 * mutex.c: Optimize mutexes to wake up only one thread.
629 * pthread.c: Move PID of manager for global variable in structure
631 Patches by Xavier Leroy.
633 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
635 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
637 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
639 * attr.c: Correct typo.
641 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
643 * manager.c (pthread_free): Unmap guard before the stack.
644 Patch by Matthias Urlichs.
646 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
648 * manager.c (pthread_free): Detect already free child.
649 Patch by Xavier Leroy, reported by Matthias Urlichs.
651 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
653 * Makefile (linuxthreads-version): Renamed back from
656 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
658 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
661 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
663 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
664 * internals.h: Add definitions for new spinlock implementation.
665 * ptlongjmp.c: New file.
666 * spinlock.c: New file.
667 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
668 new function __pthread_acquire to prevent deadlocks with thread
669 with different priorities.
670 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
672 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
674 * manager.c (__pthread_manager): Reduce first argument to select
675 to include just the needed file descriptor.
677 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
679 * manager.c: Fix last patch which caused core dumps.
681 * pthread.c: Correctly handle missing SIGRTMIN.
683 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
685 * libpthread.map: Add __libc_internal_tsd_get and
686 __libc_internal_tsd_set. Add missing cancelable functions. Export
687 libc internal versions of the cancelable functions.
689 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
691 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
693 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
695 * attr.c: Implement pthread_attr_[gs]etguardsize,
696 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
697 Change pthread_attr_init to have two interfaces.
698 * internals.h (struct _pthread_descr_struct): Add new fields for
700 * libpthread.map: Add names in GLIBC_2.1 section.
701 * manager.c (pthread_handle_create): Implement guardsize and
703 (pthread_free): Likewise.
704 * pthread.c (pthread_create): Add new interface for changed
706 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
707 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
710 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
712 * manager.c: Enable resetting of the thread scheduling policy
713 to SCHED_OTHER when the parent thread has a different one.
715 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
717 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
718 _POSIX_ASYNCHRONOUS_IO.
720 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
722 * mutex.c: Implement new mutex types.
724 * internals.h: Include <signal.h>.
726 * libpthread.map: Add __erno_location and __h_errno_location.
728 * errno.c: Return pointer to variable actually in use. This might
729 not be the one in the thread structure.
730 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
732 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
733 of manager thread structure.
734 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
736 * pthread.c: Adapt initializer for thread structures.
737 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
738 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
739 current thread to global variables.
741 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
743 * rwlock.c: New file.
744 * Makefile (libpthread-routines): Add rwlock.
745 * sysdeps/pthread/pthread.h: Define data structures and declare
747 * libpthread.map: Add new functions.
749 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
751 * sysdeps/arm/pt-machine.h: New file; add ARM support.
752 * sysdeps/arm/Implies: likewise.
753 * README: Document it.
755 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
757 * signals.c: Remove unneeded initializer for sigwaited, saving a
760 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
762 * semaphore.c (sem_init): Set sem_spinlock only if available.
764 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
766 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
767 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
769 * Makefile: Update from LinuxThreads 0.7.
770 * internals.h. Likewise.
771 * manager.c: Likewise.
773 * pthread.c: Likewise.
774 * signals.c: Likewise.
775 * specific.c: Likewise.
776 * Examples/ex3.c: Likewise.
778 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
780 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
783 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
785 * wrapsyscall.c: Add socket functions which are also cancelation
788 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
790 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
791 New functions for fast thread specific data within libc.
793 * internals.h: Add new array p_libc_specific to struct
794 _pthread_descr_struct.
796 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
798 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
800 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
801 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
803 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
805 * internals.h (struct _pthread_descr_struct): Add definitions for
806 two-level specific key handling.
807 * manager.c (pthread_handle_create): Initialize specific memory array.
808 * specific.c: Implement two-level key handling.
809 * weaks.c: Don't provide dummy key handling.
810 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
811 Add definition of __libc_key_t.
812 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
814 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
815 PTHREAD_DESTRUCTOR_ITERATIONS.
817 * manager.c (pthread_handle_create): Compare mmap result with
820 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
821 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
823 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
825 sysdeps/sparc -> sysdeps/sparc/sparc32
826 sysdeps/sparc64 -> sysdeps/sparc/sparc64
828 * internals.h: Change definition of THREAD_SELF to be an expression,
829 not a statement that did a return.
830 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
831 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
832 Follow Solaris and use a "system reserved" register (%g6) to hold
833 the thread descriptor.
834 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
836 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
838 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
839 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
840 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
842 * semaphore.c: Include spinlock.h only when needed.
844 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
845 keys for entries not in use.
847 * weaks.c: Implement key handling functions for real.
849 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
851 Initial sparc64-linux support:
852 * linuxthreads/sysdeps/sparc64/Implies: New file.
853 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
855 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
857 * semaphore.c: Include spinlock.h at correct place.
860 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
862 The Great Bit File Move:
863 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
864 * sysdeps/powerpc/semaphorebits.h: Likewise.
865 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
866 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
867 * sysdeps/pthread/libc-lock.h: -> bits/
868 * sysdeps/pthread/stdio-lock.h: Likewise.
869 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
870 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
871 * semaphore.h: Likewise.
872 * sysdeps/pthread/pthread.h: Likewise.
874 * lockfile.c: <foo.h> -> <bits/foo.h>.
875 * semaphore.h: Likewise.
877 * Makefile: (headers): foo.h -> bits/foo.h.
878 * sysdeps/pthread/Makefile: Likewise.
880 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
882 * semaphore.c (sem_init): Set sem_spinlock only if available.
884 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
887 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
889 Update from LinuxThreads 0.6.
891 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
892 and __sched_get_priority_min instead of names without `__'.
894 * manager.c: Rewrite large parts to implement opaque pthread_t.
896 * cancel.c: Adapt for opaque pthread_t type.
897 * condvar.c: Likewise.
901 * pthread.c: Likewise.
902 * signals.c: Likewise.
903 * specific.c: Likewise.
904 * restart.h: Likewise.
906 * Examples/ex3.c: Likewise.
907 * Examples/ex4.c: Likewise.
908 * sysdeps/pthread/pthread.h: Likewise.
910 * pthread.c: Accumulate time for all threads in thread manager.
912 * semaphore.c: Implement fallback implementation for architectures
913 sometimes missing compare-exchange operations.
915 * cancel.c (pthread_cancel): Validate handle argument.
916 * join.c (pthread_join): Likewise.
917 (pthread_detach): Likewise.
918 * signals.c (pthread_kill): Likewise.
920 * spinlock.h (acquire): Use __sched_yield not sched_yield.
922 * queue.h (enqueue): Enqueue thread according to priority.
924 * internals.c (struct pthread_start_args): New struct for passing
925 args to cloning function.
926 (struct _pthread): Rename to _pthread_descr_struct and adapt for
929 * Examples/Makefile (clean): Pass -f option to rm.
931 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
932 and define TEST_FOR_COMPARE_AND_SWAP.
933 * sysdeps/i386/i486/pt-machine.h: Removed.
935 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
938 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
940 * restart.h (suspend): Clear p_signal before suspending.
941 (suspend_with_cancellation): Likewise.
942 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
944 * weaks.c: Make __pthread_key_create return 1.
945 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
946 __libc_getspecific, __libc_setspecific, and __libc_key_t.
947 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
950 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
952 * sysdeps/sparc/pt-machine (RELEASE): Fix.
954 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
956 * sysdeps/powerpc/Implies: Added.
957 * sysdeps/powerpc/pt-machine.h: Added.
958 * sysdeps/powerpc/semaphorebits.h: Added.
960 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
962 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
964 (__pthread_manager_thread): Likewise.
965 Reported by Andreas Jaeger.
967 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
969 Since sigset_t no longer fits in a register, we can't pass in the
970 thread's initial mask so easily. Take this opportunity to simplify
971 the clone implementation by only accepting a single void* argument.
973 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
974 in the thread struct instead of as arguments through clone.
975 (pthread_start_thread): Look for them there.
976 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
977 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
978 * linuxthreads/pthread.c (pthread_initialize_manager): Revise