1 1999-04-28 Ulrich Drepper <drepper@cygnus.com>
3 * manager.c (pthread_allocate_stack): Optimize initialization of new
6 1999-04-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8 * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg
10 * sysdeps/i386/Implies: Likewise.
11 * sysdeps/m68k/Implies: Likewise.
12 * sysdeps/mips/Implies: Likewise.
13 * sysdeps/powerpc/Implies: Likewise.
14 * sysdeps/sparc/sparc32/Implies: Likewise.
15 * sysdeps/sparc/sparc64/Implies: Likewise.
17 1999-04-15 Ulrich Drepper <drepper@cygnus.com>
19 * sysdeps/alpha/bits/semaphore.h: Removed.
20 * sysdeps/powerpc/bits/semaphore.h: Removed.
21 * sysdeps/pthread/cmpxchg/bits/semaphore.h: Removed.
22 * sysdeps/pthread/no-cmpxchg/bits/semaphore.h: Removed.
23 * Makefile (headers): Remove bits/semaphore.h.
25 * semaphore.h: Define _pthread_descr if necessary.
26 Don't include limits.h. Define SEM_VALUE_MAX directly.
28 (sem_t): Protect element names with leading __.
29 Add declarations for sem_close, sem_open, and sem_unlink.
30 * semaphore.c: Adjust all functions for new element names.
31 Define sem_close, sem_open, and sem_unlink.
32 * Versions (libthread): Add sem_close, sem_open, and sem_unlink for
34 * sysdeps/pthread/bits/pthreadtypes.h: Define _pthread_descr only if
37 1999-03-16 H.J. Lu <hjl@gnu.org>
39 * specific.c (pthread_key_delete): Check th->p_terminated to see
40 if the thread is running.
42 * Versions (__libc_internal_tsd_get, __libc_internal_tsd_set):
43 Added to GLIBC_2.0 for libc.so.
45 1999-02-12 H.J. Lu <hjl@gnu.org>
47 * Versions (__libc_current_sigrtmin, __libc_current_sigrtmax,
48 __libc_allocate_rtsig): Added to GLIBC_2.1.
50 * internals.h (DEFAULT_SIG_RESTART): Removed.
51 (DEFAULT_SIG_CANCEL): Removed.
53 * pthread.c (init_rtsigs, __libc_current_sigrtmin,
54 __libc_current_sigrtmax, __libc_allocate_rtsig): New functions.
55 (__pthread_sig_restart, __pthread_sig_cancel,
56 __pthread_sig_debug): Initialized.
57 (pthread_initialize): Call init_rtsigs () to initialize
60 1999-02-03 H.J. Lu <hjl@gnu.org>
62 * manager.c (__pthread_manager): Do block __pthread_sig_debug.
63 Don't restart the thread which sent REQ_DEBUG.
64 (pthread_start_thread): Check if __pthread_sig_debug > 0
67 * pthread.c (__pthread_initialize_manager): Suspend ourself
68 after sending __pthread_sig_debug to gdb instead of
71 1999-01-24 H.J. Lu <hjl@gnu.org>
73 * manager.c (__pthread_manager): Delete __pthread_sig_debug
74 from mask if __pthread_sig_debug > 0.
75 (pthread_handle_create): Increment __pthread_handles_num.
77 * manager.c (pthread_handle_create): Don't pass CLONE_PTRACE to clone.
78 * pthread.c (__pthread_initialize_manager): Likewise.
80 * pthread.c (pthread_initialize): Use __libc_allocate_rtsig (1)
81 instead of __libc_allocate_rtsig (2).
82 (__pthread_initialize_manager): Send __pthread_sig_debug to gdb
83 instead of __pthread_sig_cancel.
84 (pthread_handle_sigdebug): Fix comments.
86 1999-01-21 Ulrich Drepper <drepper@cygnus.com>
88 * manager.c (pthread_allocate_stack): Set
89 __pthread_nonstandard_stacks if user-specified stack is used.
91 1999-01-16 Ulrich Drepper <drepper@cygnus.com>
93 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO,
94 _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98.
96 1999-01-07 Xavier Leroy <Xavier.Leroy@inria.fr>
98 * pthread.c: Use a third signal __pthread_sig_debug distinct
99 from __pthread_sig_cancel to notify gdb when a thread is
101 * manager.c: Likewise.
102 * internals.h: Likewise.
103 * signals.c: The implementation of sigwait(s) assumed that
104 all signals in s have signal handlers already attached.
105 This is not required by the standard, so make it work
106 also if some of the signals have no handlers.
108 1999-01-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
110 * linuxthreads.texi: Remove pointers from first @node. Move old
111 @node spec inside comment.
113 1998-12-31 Ulrich Drepper <drepper@cygnus.com>
115 * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
118 1998-12-29 Ulrich Drepper <drepper@cygnus.com>
120 * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
121 lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
123 1998-12-21 Ulrich Drepper <drepper@cygnus.com>
125 * manager.c: Threads now send __pthread_sig_cancel on termination.
126 Change clone call and signal masks.
127 * thread.c (pthread_handle_sigrestart): Remove special code for
129 (pthread_handle_sigcancel): In manager thread call
130 __pthread_manager_sighandler.
131 * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
132 * sysdeps/i386/i686/pt-machine.h: Likewise.
133 Patches by Xavier Leroy.
135 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
137 * spinlock.c (__pthread_unlock): Don't crash if called for an
138 untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
140 * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
143 1998-12-13 Ulrich Drepper <drepper@cygnus.com>
145 * Examples/ex3.c: Wait until all threads are started before
146 searching for the number to avoid race condition on very fast
149 1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
151 * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
152 declaration since it's not needed.
154 * sysdeps/pthread/pthread.h: Move internal functions to ...
155 * internals.h: ...here.
157 1998-12-02 H.J. Lu <hjl@gnu.org>
159 * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
161 (__pthread_sig_cancel): Likewise.
163 1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
165 * wrapsyscall.c: Include <sys/mman.h> for msync,
166 <stdlib.h> for system and <termios.h> for tcdrain prototype.
167 Correct msync declaration.
169 1998-11-29 Roland McGrath <roland@baalperazim.frob.com>
171 * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
172 __libc_tsd_set): New macros for new interface.
173 * no-tsd.c: New file, provide uninitialized defns of
174 __libc_internal_tsd_get and __libc_internal_tsd_set.
175 * Makefile (routines): Add no-tsd.
177 1998-10-12 Roland McGrath <roland@baalperazim.frob.com>
179 * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
180 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
181 __libc_internal_tsd_set): Move decls to ...
182 * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
185 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
186 __libc_internal_tsd_set): Make these pointers to functions, not
187 functions; remove #pragma weak decls for them.
188 * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
189 Define static functions and initialized pointers to them.
191 1998-11-18 Ulrich Drepper <drepper@cygnus.com>
193 * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
194 (CFLAGS-specific.c): Likewise.
195 (CFLAGS-pthread.c): Likewise.
196 (CFLAGS-ptfork.c): Likewise.
197 (CFLAGS-cancel.c): Likewise.
198 * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
199 as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
201 * mutex.c (pthread_mutex_init): Define as strong symbol.
202 (pthread_mutex_destroy): Likewise.
203 (pthread_mutex_trylock): Likewise.
204 (pthread_mutex_lock): Likewise.
205 (pthread_mutex_unlock): Likewise.
206 (pthread_mutexattr_init): Likewise.
207 (pthread_mutexattr_destroy): Likewise.
208 (pthread_once): Likewise.
209 * ptfork.c (pthread_atfork): Likewise.
210 * specific.c (pthread_key_create): Likewise.
211 (pthread_setspecific): Likewise.
212 (pthread_getspecific): Likewise.
214 1998-11-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
216 * linuxthreads.texi: Fix punctuation after xref.
218 1998-11-10 H.J. Lu <hjl@gnu.org>
220 * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
221 if it is defined in <linux/limits.h>.
223 1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com>
225 * spinlock.h (__pthread_trylock): Define inline.
226 (__pthread_lock): Add extra parameter to declaration. Declare
227 using internal_function.
228 (__pthread_unlock): Declare using internal_function.
229 * spinlock.c (__pthread_lock): Add new parameter. Use it instead
230 of local variable self. Avoid recomputing self. Define using
232 (__pthread_trylock): Remove.
233 (__pthread_unlock): Define using internal_function.
234 * cancel.c: Adjust for __pthread_lock interface change. Use already
235 computed self value is possible.
236 * condvar.c: Likewise.
238 * manager.c: Likewise.
240 * pthread.c: Likewise.
241 * rwlock.c: Likewise.
242 * semaphore.c: Likewise.
243 * signals.c: Likewise.
245 1998-10-27 13:46 Ulrich Drepper <drepper@cygnus.com>
247 * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
248 __ to field names of the struct.
249 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
251 (pthread_attr_t): Likewise.
252 (pthread_cond_t): Likewise.
253 (pthread_condattr_t): Likewise.
254 (pthread_mutex_t): Likewise.
255 (pthread_mutexattr_t): Likewise.
256 (pthread_rwlock_t): Likewise.
257 (pthread_rwlockattr_t): Likewise.
258 * attr.c: Adjust for pthread.h and pthreadtypes.h change.
259 * cancel.c: Likewise.
260 * condvar.c: Likewise.
261 * manager.c: Likewise.
263 * pthread.c: Likewise.
264 * ptlongjmp.c: Likewise.
265 * rwlock.c: Likewise.
266 * spinlock.c: Likewise.
268 1998-10-09 Ulrich Drepper <drepper@cygnus.com>
270 * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
273 * sysdeps/i386/i686/pt-machine.h: Remove unused inline
276 * Makefile (libpthread-routines): Add pt-machine.
277 * pt-machine.c: New file.
278 * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
279 yet defined. Use PT_EI in extern inline definitions.
280 * sysdeps/arm/pt-machine.h: Likewise.
281 * sysdeps/i386/pt-machine.h: Likewise.
282 * sysdeps/i386/i686/pt-machine.h: Likewise.
283 * sysdeps/m68k/pt-machine.h: Likewise.
284 * sysdeps/mips/pt-machine.h: Likewise.
285 * sysdeps/powerpc/pt-machine.h: Likewise.
286 * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
287 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
289 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
291 * semaphore.h: Include <sys/types.h> so that _pthread_descr
294 1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
296 * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
298 * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
300 1998-09-12 14:24 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
302 * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add
303 multiple inclusion guard.
305 1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
307 * signals.c (sigaction): Check that sig is less than NSIG to avoid
308 array index overflow.
310 1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com>
312 * sysdeps/pthread/semaphore.h: New file.
314 1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com>
316 * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
317 _LIBC_TSD_KEY_DL_ERROR.
319 1998-08-31 Ulrich Drepper <drepper@cygnus.com>
321 * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
322 * sysdeps/i386/pt-machine.h: Likewise.
323 Suggested by Roland McGrath.
325 1998-08-28 13:58 Ulrich Drepper <drepper@cygnus.com>
327 * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
328 access thread data with non-constant offsets.
329 * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
332 * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and
333 THREAD_SETMEM_NC definitions.
335 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
337 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
339 1998-08-26 15:46 Ulrich Drepper <drepper@cygnus.com>
341 * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
343 (struct _pthread_descr_struct): Add p_self and p_nr field.
344 * manager.c (__pthread_handles): Define second element to point
346 (__pthread_handles_num): Initialize to 2.
347 (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
348 (pthread_start_thread): Likewise.
349 (pthread_handle_create): Start search for free slot at entry 2.
350 Initialize new fields p_self and p_nr.
351 Call __clone with CLONE_PTRACE if available.
352 (pthread_free): Call FREE_THREAD_SELF if available.
353 * pthread.c (__pthread_initial_thread): Initialize new fields.
354 (__pthread_manager_thread): Likewise.
355 (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
357 * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
358 elements of the thread descriptor.
359 * condvar.c: Likewise.
362 * manager.c: Likewise.
363 * pthread.c: Likewise.
364 * ptlongjmp.c: Likewise.
365 * semaphore.c: Likewise.
366 * signals.c: Likewise.
367 * specific.c: Likewise.
368 * spinlock.c: Likewise.
370 * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
372 * sysdeps/i386/useldt.h: New file.
373 * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
375 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
376 THREAD_SETMEM using __thread_self.
377 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
379 1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
381 * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
382 turned out that we didn't need to queue after all.
384 1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
386 * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
387 and wastes space; correct types.
389 1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
391 * signals.c (sigaction): Handle NULL argument.
393 1998-08-04 Ulrich Drepper <drepper@cygnus.com>
395 * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
398 1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
400 * Makefile (linuxthreads-version): Extract correct number from
403 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
405 * Banner: Bump version number to 0.8
406 * FAQ.html: Many updates, in particular w.r.t. debugging.
407 * manager.c: Support for non-default stacksize for
408 LinuxThreads-allocated stacks;
409 don't use guard pages for stacks with default size, rely on
410 rlimit(RLIMIT_STACK) instead (it's cheaper).
412 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
413 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
414 * condvar.c: Likewise.
415 * internals.h: Likewise.
416 * restart.h: Likewise.
417 * signals.c: Likewise.
418 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
420 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
422 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
423 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
424 * Versions: Put __pthread_mutexattr_settype under version
425 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
426 __pthread_mutexattr_gettype.
428 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
430 * sysdeps/pthread/bits/libc-lock.h: Make
431 __pthread_mutexattr_settype weak. Don't make
432 __pthread_mutexattr_setkind_np weak.
434 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
436 * manager.c (pthread_handle_create): Check whether sched_setscheduler
437 call can succeed here.
439 * mutex.c: Define __pthread_mutexattr_settype and make
440 __pthread_mutexattr_setkind_np an alias.
441 Likewise for __pthread_mutexattr_gettype.
443 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
445 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
448 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
450 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
452 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
454 * Examples/ex6.c: Include <unistd.h> for usleep.
456 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
458 * Examples/ex4.c (main): Use exit, not pthread_exit.
460 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
462 * Versions: Add __pthread_mutexattr_gettype and
463 __pthread_mutexattr_settype.
464 * lockfile.c: Use __pthread_mutexattr_settype instead of
465 __pthread_mutexattr_setkind_np.
466 * mutex.c: Define __pthread_mutexattr_gettype and
467 __pthread_mutexattr_settype.
469 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
470 __pthread_mutexattr_settype.
471 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
472 Use __pthread_mutexattr_settype.
474 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
476 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
477 * mutex.c: Define weak alias pthread_mutexattr_gettype and
478 pthread_mutexattr_settype.
479 * sysdeps/pthread/pthread.h: Declare these functions.
480 Move pthread_sigmask and pthread_kill declaration in separate header.
481 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
483 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
485 * Makefile: Add rules to compile and run tests.
486 * Examples/ex1.c: Little changes to fix warnings.
487 * Examples/ex2.c: Likewise.
488 * Examples/ex3.c: Likewise.
489 * Examples/ex4.c: Likewise.
490 * Examples/ex5.c: Likewise.
491 * Examples/ex6.c: New file.
493 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
495 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
497 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
499 * attr.c: Include <string.h>.
501 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
503 * attr.c: Include errno.h. Use memcpy to copy sched_param.
504 * internals.h: Include limits.h.
505 * manager.c: Use memcpy to copy sched_param.
506 * ptfork.c: Include errno.h.
507 * pthread.c: Likewise.
508 * semaphore.c: Likewise.
509 * specific.c: Likewise.
510 * spinlock.h: Likewise.
511 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
512 type definition to ...
513 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
515 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
517 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
519 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
520 as macros as demanded in POSIX.1, Annex C.
522 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
524 * internals.h (struct pthread_request): For free use pthread_t
525 instead of pthread_descr.
526 * join.c (pthread_join): Pass thread_id, not th to manager.
527 (pthread_detach): Likewise.
528 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
529 (pthread_exited): Remove detached queue code.
530 (pthread_handle_free): Expect thread ID parameter and use it to
531 validate the thread decsriptor. Don't use detached queue.
532 Patches by Xavier Leroy.
534 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
536 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
537 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
538 __pthread_atfork, __pthread_key_create, __pthread_once.
539 * internals.h: Doc fix.
540 * pthread.c (__pthread_initialize): Define again.
542 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
544 * manager.c (pthread_exited): If thread is not detached put it on
546 (pthread_handle_free): If thread is not on list with living threads
547 search on list with detached threads.
549 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
550 for new definition of pthread_rwlock_t.
552 * spinlock.c: Correct test whether to compile
553 __pthread_compare_and_swap or not.
555 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
557 * attr.c: Finish user stack support. Change locking code to be safe
558 in situations with different priorities.
559 * cancel.c: Likewise.
560 * condvar.c: Likewise.
561 * internals.h: Likewise.
563 * manager.c: Likewise.
565 * pthread.c: Likewise.
566 * ptlongjmp.c: Likewise.
568 * rwlock.c: Likewise.
569 * semaphore.c: Likewise.
570 * semaphore.h: Likewise.
571 * signals.c: Likewise.
572 * spinlock.c: Likewise.
573 * spinlock.h: Likewise.
574 * sysdeps/pthread/pthread.h: Likewise.
575 Patches by Xavier Leroy.
577 * sysdeps/i386/i686/pt-machine.h: New file.
579 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
581 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
582 [sg]et_stackaddr prototypes always available.
584 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
585 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
587 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
589 * manager.c (pthread_free): Undo patch from 980430.
590 Reported by David Wragg <dpw@doc.ic.ac.uk>.
592 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
594 * manager.c: Define __pthread_manager_adjust_prio and use it to
595 increase priority when needed.
596 * internals.h: Add prototype for __pthread_manager_adjust_prio.
597 * mutex.c: Optimize mutexes to wake up only one thread.
598 * pthread.c: Move PID of manager for global variable in structure
600 Patches by Xavier Leroy.
602 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
604 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
606 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
608 * attr.c: Correct typo.
610 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
612 * manager.c (pthread_free): Unmap guard before the stack.
613 Patch by Matthias Urlichs.
615 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
617 * manager.c (pthread_free): Detect already free child.
618 Patch by Xavier Leroy, reported by Matthias Urlichs.
620 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
622 * Makefile (linuxthreads-version): Renamed back from
625 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
627 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
630 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
632 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
633 * internals.h: Add definitions for new spinlock implementation.
634 * ptlongjmp.c: New file.
635 * spinlock.c: New file.
636 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
637 new function __pthread_acquire to prevent deadlocks with thread
638 with different priorities.
639 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
641 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
643 * manager.c (__pthread_manager): Reduce first argument to select
644 to include just the needed file descriptor.
646 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
648 * manager.c: Fix last patch which caused core dumps.
650 * pthread.c: Correctly handle missing SIGRTMIN.
652 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
654 * libpthread.map: Add __libc_internal_tsd_get and
655 __libc_internal_tsd_set. Add missing cancelable functions. Export
656 libc internal versions of the cancelable functions.
658 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
660 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
662 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
664 * attr.c: Implement pthread_attr_[gs]etguardsize,
665 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
666 Change pthread_attr_init to have two interfaces.
667 * internals.h (struct _pthread_descr_struct): Add new fields for
669 * libpthread.map: Add names in GLIBC_2.1 section.
670 * manager.c (pthread_handle_create): Implement guardsize and
672 (pthread_free): Likewise.
673 * pthread.c (pthread_create): Add new interface for changed
675 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
676 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
679 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
681 * manager.c: Enable resetting of the thread scheduling policy
682 to SCHED_OTHER when the parent thread has a different one.
684 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
686 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
687 _POSIX_ASYNCHRONOUS_IO.
689 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
691 * mutex.c: Implement new mutex types.
693 * internals.h: Include <signal.h>.
695 * libpthread.map: Add __erno_location and __h_errno_location.
697 * errno.c: Return pointer to variable actually in use. This might
698 not be the one in the thread structure.
699 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
701 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
702 of manager thread structure.
703 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
705 * pthread.c: Adapt initializer for thread structures.
706 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
707 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
708 current thread to global variables.
710 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
712 * rwlock.c: New file.
713 * Makefile (libpthread-routines): Add rwlock.
714 * sysdeps/pthread/pthread.h: Define data structures and declare
716 * libpthread.map: Add new functions.
718 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
720 * sysdeps/arm/pt-machine.h: New file; add ARM support.
721 * sysdeps/arm/Implies: likewise.
722 * README: Document it.
724 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
726 * signals.c: Remove unneeded initializer for sigwaited, saving a
729 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
731 * semaphore.c (sem_init): Set sem_spinlock only if available.
733 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
735 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
736 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
738 * Makefile: Update from LinuxThreads 0.7.
739 * internals.h. Likewise.
740 * manager.c: Likewise.
742 * pthread.c: Likewise.
743 * signals.c: Likewise.
744 * specific.c: Likewise.
745 * Examples/ex3.c: Likewise.
747 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
749 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
752 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
754 * wrapsyscall.c: Add socket functions which are also cancelation
757 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
759 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
760 New functions for fast thread specific data within libc.
762 * internals.h: Add new array p_libc_specific to struct
763 _pthread_descr_struct.
765 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
767 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
769 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
770 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
772 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
774 * internals.h (struct _pthread_descr_struct): Add definitions for
775 two-level specific key handling.
776 * manager.c (pthread_handle_create): Initialize specific memory array.
777 * specific.c: Implement two-level key handling.
778 * weaks.c: Don't provide dummy key handling.
779 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
780 Add definition of __libc_key_t.
781 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
783 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
784 PTHREAD_DESTRUCTOR_ITERATIONS.
786 * manager.c (pthread_handle_create): Compare mmap result with
789 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
790 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
792 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
794 sysdeps/sparc -> sysdeps/sparc/sparc32
795 sysdeps/sparc64 -> sysdeps/sparc/sparc64
797 * internals.h: Change definition of THREAD_SELF to be an expression,
798 not a statement that did a return.
799 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
800 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
801 Follow Solaris and use a "system reserved" register (%g6) to hold
802 the thread descriptor.
803 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
805 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
807 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
808 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
809 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
811 * semaphore.c: Include spinlock.h only when needed.
813 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
814 keys for entries not in use.
816 * weaks.c: Implement key handling functions for real.
818 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
820 Initial sparc64-linux support:
821 * linuxthreads/sysdeps/sparc64/Implies: New file.
822 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
824 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
826 * semaphore.c: Include spinlock.h at correct place.
829 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
831 The Great Bit File Move:
832 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
833 * sysdeps/powerpc/semaphorebits.h: Likewise.
834 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
835 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
836 * sysdeps/pthread/libc-lock.h: -> bits/
837 * sysdeps/pthread/stdio-lock.h: Likewise.
838 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
839 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
840 * semaphore.h: Likewise.
841 * sysdeps/pthread/pthread.h: Likewise.
843 * lockfile.c: <foo.h> -> <bits/foo.h>.
844 * semaphore.h: Likewise.
846 * Makefile: (headers): foo.h -> bits/foo.h.
847 * sysdeps/pthread/Makefile: Likewise.
849 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
851 * semaphore.c (sem_init): Set sem_spinlock only if available.
853 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
856 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
858 Update from LinuxThreads 0.6.
860 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
861 and __sched_get_priority_min instead of names without `__'.
863 * manager.c: Rewrite large parts to implement opaque pthread_t.
865 * cancel.c: Adapt for opaque pthread_t type.
866 * condvar.c: Likewise.
870 * pthread.c: Likewise.
871 * signals.c: Likewise.
872 * specific.c: Likewise.
873 * restart.h: Likewise.
875 * Examples/ex3.c: Likewise.
876 * Examples/ex4.c: Likewise.
877 * sysdeps/pthread/pthread.h: Likewise.
879 * pthread.c: Accumulate time for all threads in thread manager.
881 * semaphore.c: Implement fallback implementation for architectures
882 sometimes missing compare-exchange operations.
884 * cancel.c (pthread_cancel): Validate handle argument.
885 * join.c (pthread_join): Likewise.
886 (pthread_detach): Likewise.
887 * signals.c (pthread_kill): Likewise.
889 * spinlock.h (acquire): Use __sched_yield not sched_yield.
891 * queue.h (enqueue): Enqueue thread according to priority.
893 * internals.c (struct pthread_start_args): New struct for passing
894 args to cloning function.
895 (struct _pthread): Rename to _pthread_descr_struct and adapt for
898 * Examples/Makefile (clean): Pass -f option to rm.
900 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
901 and define TEST_FOR_COMPARE_AND_SWAP.
902 * sysdeps/i386/i486/pt-machine.h: Removed.
904 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
907 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
909 * restart.h (suspend): Clear p_signal before suspending.
910 (suspend_with_cancellation): Likewise.
911 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
913 * weaks.c: Make __pthread_key_create return 1.
914 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
915 __libc_getspecific, __libc_setspecific, and __libc_key_t.
916 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
919 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
921 * sysdeps/sparc/pt-machine (RELEASE): Fix.
923 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
925 * sysdeps/powerpc/Implies: Added.
926 * sysdeps/powerpc/pt-machine.h: Added.
927 * sysdeps/powerpc/semaphorebits.h: Added.
929 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
931 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
933 (__pthread_manager_thread): Likewise.
934 Reported by Andreas Jaeger.
936 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
938 Since sigset_t no longer fits in a register, we can't pass in the
939 thread's initial mask so easily. Take this opportunity to simplify
940 the clone implementation by only accepting a single void* argument.
942 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
943 in the thread struct instead of as arguments through clone.
944 (pthread_start_thread): Look for them there.
945 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
946 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
947 * linuxthreads/pthread.c (pthread_initialize_manager): Revise