1 1999-04-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3 * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg
5 * sysdeps/i386/Implies: Likewise.
6 * sysdeps/m68k/Implies: Likewise.
7 * sysdeps/mips/Implies: Likewise.
8 * sysdeps/powerpc/Implies: Likewise.
9 * sysdeps/sparc/sparc32/Implies: Likewise.
10 * sysdeps/sparc/sparc64/Implies: Likewise.
12 1999-04-15 Ulrich Drepper <drepper@cygnus.com>
14 * sysdeps/alpha/bits/semaphore.h: Removed.
15 * sysdeps/powerpc/bits/semaphore.h: Removed.
16 * sysdeps/pthread/cmpxchg/bits/semaphore.h: Removed.
17 * sysdeps/pthread/no-cmpxchg/bits/semaphore.h: Removed.
18 * Makefile (headers): Remove bits/semaphore.h.
20 * semaphore.h: Define _pthread_descr if necessary.
21 Don't include limits.h. Define SEM_VALUE_MAX directly.
23 (sem_t): Protect element names with leading __.
24 Add declarations for sem_close, sem_open, and sem_unlink.
25 * semaphore.c: Adjust all functions for new element names.
26 Define sem_close, sem_open, and sem_unlink.
27 * Versions (libthread): Add sem_close, sem_open, and sem_unlink for
29 * sysdeps/pthread/bits/pthreadtypes.h: Define _pthread_descr only if
32 1999-03-16 H.J. Lu <hjl@gnu.org>
34 * specific.c (pthread_key_delete): Check th->p_terminated to see
35 if the thread is running.
37 * Versions (__libc_internal_tsd_get, __libc_internal_tsd_set):
38 Added to GLIBC_2.0 for libc.so.
40 1999-02-12 H.J. Lu <hjl@gnu.org>
42 * Versions (__libc_current_sigrtmin, __libc_current_sigrtmax,
43 __libc_allocate_rtsig): Added to GLIBC_2.1.
45 * internals.h (DEFAULT_SIG_RESTART): Removed.
46 (DEFAULT_SIG_CANCEL): Removed.
48 * pthread.c (init_rtsigs, __libc_current_sigrtmin,
49 __libc_current_sigrtmax, __libc_allocate_rtsig): New functions.
50 (__pthread_sig_restart, __pthread_sig_cancel,
51 __pthread_sig_debug): Initialized.
52 (pthread_initialize): Call init_rtsigs () to initialize
55 1999-02-03 H.J. Lu <hjl@gnu.org>
57 * manager.c (__pthread_manager): Do block __pthread_sig_debug.
58 Don't restart the thread which sent REQ_DEBUG.
59 (pthread_start_thread): Check if __pthread_sig_debug > 0
62 * pthread.c (__pthread_initialize_manager): Suspend ourself
63 after sending __pthread_sig_debug to gdb instead of
66 1999-01-24 H.J. Lu <hjl@gnu.org>
68 * manager.c (__pthread_manager): Delete __pthread_sig_debug
69 from mask if __pthread_sig_debug > 0.
70 (pthread_handle_create): Increment __pthread_handles_num.
72 * manager.c (pthread_handle_create): Don't pass CLONE_PTRACE to clone.
73 * pthread.c (__pthread_initialize_manager): Likewise.
75 * pthread.c (pthread_initialize): Use __libc_allocate_rtsig (1)
76 instead of __libc_allocate_rtsig (2).
77 (__pthread_initialize_manager): Send __pthread_sig_debug to gdb
78 instead of __pthread_sig_cancel.
79 (pthread_handle_sigdebug): Fix comments.
81 1999-01-21 Ulrich Drepper <drepper@cygnus.com>
83 * manager.c (pthread_allocate_stack): Set
84 __pthread_nonstandard_stacks if user-specified stack is used.
86 1999-01-16 Ulrich Drepper <drepper@cygnus.com>
88 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO,
89 _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98.
91 1999-01-07 Xavier Leroy <Xavier.Leroy@inria.fr>
93 * pthread.c: Use a third signal __pthread_sig_debug distinct
94 from __pthread_sig_cancel to notify gdb when a thread is
96 * manager.c: Likewise.
97 * internals.h: Likewise.
98 * signals.c: The implementation of sigwait(s) assumed that
99 all signals in s have signal handlers already attached.
100 This is not required by the standard, so make it work
101 also if some of the signals have no handlers.
103 1999-01-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
105 * linuxthreads.texi: Remove pointers from first @node. Move old
106 @node spec inside comment.
108 1998-12-31 Ulrich Drepper <drepper@cygnus.com>
110 * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
113 1998-12-29 Ulrich Drepper <drepper@cygnus.com>
115 * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
116 lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
118 1998-12-21 Ulrich Drepper <drepper@cygnus.com>
120 * manager.c: Threads now send __pthread_sig_cancel on termination.
121 Change clone call and signal masks.
122 * thread.c (pthread_handle_sigrestart): Remove special code for
124 (pthread_handle_sigcancel): In manager thread call
125 __pthread_manager_sighandler.
126 * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
127 * sysdeps/i386/i686/pt-machine.h: Likewise.
128 Patches by Xavier Leroy.
130 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
132 * spinlock.c (__pthread_unlock): Don't crash if called for an
133 untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
135 * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
138 1998-12-13 Ulrich Drepper <drepper@cygnus.com>
140 * Examples/ex3.c: Wait until all threads are started before
141 searching for the number to avoid race condition on very fast
144 1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
146 * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
147 declaration since it's not needed.
149 * sysdeps/pthread/pthread.h: Move internal functions to ...
150 * internals.h: ...here.
152 1998-12-02 H.J. Lu <hjl@gnu.org>
154 * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
156 (__pthread_sig_cancel): Likewise.
158 1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
160 * wrapsyscall.c: Include <sys/mman.h> for msync,
161 <stdlib.h> for system and <termios.h> for tcdrain prototype.
162 Correct msync declaration.
164 1998-11-29 Roland McGrath <roland@baalperazim.frob.com>
166 * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
167 __libc_tsd_set): New macros for new interface.
168 * no-tsd.c: New file, provide uninitialized defns of
169 __libc_internal_tsd_get and __libc_internal_tsd_set.
170 * Makefile (routines): Add no-tsd.
172 1998-10-12 Roland McGrath <roland@baalperazim.frob.com>
174 * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
175 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
176 __libc_internal_tsd_set): Move decls to ...
177 * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
180 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
181 __libc_internal_tsd_set): Make these pointers to functions, not
182 functions; remove #pragma weak decls for them.
183 * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
184 Define static functions and initialized pointers to them.
186 1998-11-18 Ulrich Drepper <drepper@cygnus.com>
188 * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
189 (CFLAGS-specific.c): Likewise.
190 (CFLAGS-pthread.c): Likewise.
191 (CFLAGS-ptfork.c): Likewise.
192 (CFLAGS-cancel.c): Likewise.
193 * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
194 as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
196 * mutex.c (pthread_mutex_init): Define as strong symbol.
197 (pthread_mutex_destroy): Likewise.
198 (pthread_mutex_trylock): Likewise.
199 (pthread_mutex_lock): Likewise.
200 (pthread_mutex_unlock): Likewise.
201 (pthread_mutexattr_init): Likewise.
202 (pthread_mutexattr_destroy): Likewise.
203 (pthread_once): Likewise.
204 * ptfork.c (pthread_atfork): Likewise.
205 * specific.c (pthread_key_create): Likewise.
206 (pthread_setspecific): Likewise.
207 (pthread_getspecific): Likewise.
209 1998-11-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
211 * linuxthreads.texi: Fix punctuation after xref.
213 1998-11-10 H.J. Lu <hjl@gnu.org>
215 * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
216 if it is defined in <linux/limits.h>.
218 1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com>
220 * spinlock.h (__pthread_trylock): Define inline.
221 (__pthread_lock): Add extra parameter to declaration. Declare
222 using internal_function.
223 (__pthread_unlock): Declare using internal_function.
224 * spinlock.c (__pthread_lock): Add new parameter. Use it instead
225 of local variable self. Avoid recomputing self. Define using
227 (__pthread_trylock): Remove.
228 (__pthread_unlock): Define using internal_function.
229 * cancel.c: Adjust for __pthread_lock interface change. Use already
230 computed self value is possible.
231 * condvar.c: Likewise.
233 * manager.c: Likewise.
235 * pthread.c: Likewise.
236 * rwlock.c: Likewise.
237 * semaphore.c: Likewise.
238 * signals.c: Likewise.
240 1998-10-27 13:46 Ulrich Drepper <drepper@cygnus.com>
242 * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
243 __ to field names of the struct.
244 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
246 (pthread_attr_t): Likewise.
247 (pthread_cond_t): Likewise.
248 (pthread_condattr_t): Likewise.
249 (pthread_mutex_t): Likewise.
250 (pthread_mutexattr_t): Likewise.
251 (pthread_rwlock_t): Likewise.
252 (pthread_rwlockattr_t): Likewise.
253 * attr.c: Adjust for pthread.h and pthreadtypes.h change.
254 * cancel.c: Likewise.
255 * condvar.c: Likewise.
256 * manager.c: Likewise.
258 * pthread.c: Likewise.
259 * ptlongjmp.c: Likewise.
260 * rwlock.c: Likewise.
261 * spinlock.c: Likewise.
263 1998-10-09 Ulrich Drepper <drepper@cygnus.com>
265 * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
268 * sysdeps/i386/i686/pt-machine.h: Remove unused inline
271 * Makefile (libpthread-routines): Add pt-machine.
272 * pt-machine.c: New file.
273 * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
274 yet defined. Use PT_EI in extern inline definitions.
275 * sysdeps/arm/pt-machine.h: Likewise.
276 * sysdeps/i386/pt-machine.h: Likewise.
277 * sysdeps/i386/i686/pt-machine.h: Likewise.
278 * sysdeps/m68k/pt-machine.h: Likewise.
279 * sysdeps/mips/pt-machine.h: Likewise.
280 * sysdeps/powerpc/pt-machine.h: Likewise.
281 * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
282 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
284 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
286 * semaphore.h: Include <sys/types.h> so that _pthread_descr
289 1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
291 * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
293 * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
295 1998-09-12 14:24 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
297 * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add
298 multiple inclusion guard.
300 1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
302 * signals.c (sigaction): Check that sig is less than NSIG to avoid
303 array index overflow.
305 1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com>
307 * sysdeps/pthread/semaphore.h: New file.
309 1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com>
311 * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
312 _LIBC_TSD_KEY_DL_ERROR.
314 1998-08-31 Ulrich Drepper <drepper@cygnus.com>
316 * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
317 * sysdeps/i386/pt-machine.h: Likewise.
318 Suggested by Roland McGrath.
320 1998-08-28 13:58 Ulrich Drepper <drepper@cygnus.com>
322 * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
323 access thread data with non-constant offsets.
324 * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
327 * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and
328 THREAD_SETMEM_NC definitions.
330 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
332 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
334 1998-08-26 15:46 Ulrich Drepper <drepper@cygnus.com>
336 * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
338 (struct _pthread_descr_struct): Add p_self and p_nr field.
339 * manager.c (__pthread_handles): Define second element to point
341 (__pthread_handles_num): Initialize to 2.
342 (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
343 (pthread_start_thread): Likewise.
344 (pthread_handle_create): Start search for free slot at entry 2.
345 Initialize new fields p_self and p_nr.
346 Call __clone with CLONE_PTRACE if available.
347 (pthread_free): Call FREE_THREAD_SELF if available.
348 * pthread.c (__pthread_initial_thread): Initialize new fields.
349 (__pthread_manager_thread): Likewise.
350 (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
352 * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
353 elements of the thread descriptor.
354 * condvar.c: Likewise.
357 * manager.c: Likewise.
358 * pthread.c: Likewise.
359 * ptlongjmp.c: Likewise.
360 * semaphore.c: Likewise.
361 * signals.c: Likewise.
362 * specific.c: Likewise.
363 * spinlock.c: Likewise.
365 * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
367 * sysdeps/i386/useldt.h: New file.
368 * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
370 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
371 THREAD_SETMEM using __thread_self.
372 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
374 1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
376 * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
377 turned out that we didn't need to queue after all.
379 1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
381 * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
382 and wastes space; correct types.
384 1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
386 * signals.c (sigaction): Handle NULL argument.
388 1998-08-04 Ulrich Drepper <drepper@cygnus.com>
390 * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
393 1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
395 * Makefile (linuxthreads-version): Extract correct number from
398 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
400 * Banner: Bump version number to 0.8
401 * FAQ.html: Many updates, in particular w.r.t. debugging.
402 * manager.c: Support for non-default stacksize for
403 LinuxThreads-allocated stacks;
404 don't use guard pages for stacks with default size, rely on
405 rlimit(RLIMIT_STACK) instead (it's cheaper).
407 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
408 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
409 * condvar.c: Likewise.
410 * internals.h: Likewise.
411 * restart.h: Likewise.
412 * signals.c: Likewise.
413 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
415 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
417 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
418 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
419 * Versions: Put __pthread_mutexattr_settype under version
420 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
421 __pthread_mutexattr_gettype.
423 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
425 * sysdeps/pthread/bits/libc-lock.h: Make
426 __pthread_mutexattr_settype weak. Don't make
427 __pthread_mutexattr_setkind_np weak.
429 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
431 * manager.c (pthread_handle_create): Check whether sched_setscheduler
432 call can succeed here.
434 * mutex.c: Define __pthread_mutexattr_settype and make
435 __pthread_mutexattr_setkind_np an alias.
436 Likewise for __pthread_mutexattr_gettype.
438 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
440 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
443 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
445 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
447 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
449 * Examples/ex6.c: Include <unistd.h> for usleep.
451 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
453 * Examples/ex4.c (main): Use exit, not pthread_exit.
455 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
457 * Versions: Add __pthread_mutexattr_gettype and
458 __pthread_mutexattr_settype.
459 * lockfile.c: Use __pthread_mutexattr_settype instead of
460 __pthread_mutexattr_setkind_np.
461 * mutex.c: Define __pthread_mutexattr_gettype and
462 __pthread_mutexattr_settype.
464 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
465 __pthread_mutexattr_settype.
466 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
467 Use __pthread_mutexattr_settype.
469 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
471 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
472 * mutex.c: Define weak alias pthread_mutexattr_gettype and
473 pthread_mutexattr_settype.
474 * sysdeps/pthread/pthread.h: Declare these functions.
475 Move pthread_sigmask and pthread_kill declaration in separate header.
476 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
478 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
480 * Makefile: Add rules to compile and run tests.
481 * Examples/ex1.c: Little changes to fix warnings.
482 * Examples/ex2.c: Likewise.
483 * Examples/ex3.c: Likewise.
484 * Examples/ex4.c: Likewise.
485 * Examples/ex5.c: Likewise.
486 * Examples/ex6.c: New file.
488 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
490 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
492 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
494 * attr.c: Include <string.h>.
496 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
498 * attr.c: Include errno.h. Use memcpy to copy sched_param.
499 * internals.h: Include limits.h.
500 * manager.c: Use memcpy to copy sched_param.
501 * ptfork.c: Include errno.h.
502 * pthread.c: Likewise.
503 * semaphore.c: Likewise.
504 * specific.c: Likewise.
505 * spinlock.h: Likewise.
506 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
507 type definition to ...
508 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
510 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
512 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
514 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
515 as macros as demanded in POSIX.1, Annex C.
517 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
519 * internals.h (struct pthread_request): For free use pthread_t
520 instead of pthread_descr.
521 * join.c (pthread_join): Pass thread_id, not th to manager.
522 (pthread_detach): Likewise.
523 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
524 (pthread_exited): Remove detached queue code.
525 (pthread_handle_free): Expect thread ID parameter and use it to
526 validate the thread decsriptor. Don't use detached queue.
527 Patches by Xavier Leroy.
529 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
531 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
532 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
533 __pthread_atfork, __pthread_key_create, __pthread_once.
534 * internals.h: Doc fix.
535 * pthread.c (__pthread_initialize): Define again.
537 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
539 * manager.c (pthread_exited): If thread is not detached put it on
541 (pthread_handle_free): If thread is not on list with living threads
542 search on list with detached threads.
544 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
545 for new definition of pthread_rwlock_t.
547 * spinlock.c: Correct test whether to compile
548 __pthread_compare_and_swap or not.
550 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
552 * attr.c: Finish user stack support. Change locking code to be safe
553 in situations with different priorities.
554 * cancel.c: Likewise.
555 * condvar.c: Likewise.
556 * internals.h: Likewise.
558 * manager.c: Likewise.
560 * pthread.c: Likewise.
561 * ptlongjmp.c: Likewise.
563 * rwlock.c: Likewise.
564 * semaphore.c: Likewise.
565 * semaphore.h: Likewise.
566 * signals.c: Likewise.
567 * spinlock.c: Likewise.
568 * spinlock.h: Likewise.
569 * sysdeps/pthread/pthread.h: Likewise.
570 Patches by Xavier Leroy.
572 * sysdeps/i386/i686/pt-machine.h: New file.
574 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
576 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
577 [sg]et_stackaddr prototypes always available.
579 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
580 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
582 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
584 * manager.c (pthread_free): Undo patch from 980430.
585 Reported by David Wragg <dpw@doc.ic.ac.uk>.
587 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
589 * manager.c: Define __pthread_manager_adjust_prio and use it to
590 increase priority when needed.
591 * internals.h: Add prototype for __pthread_manager_adjust_prio.
592 * mutex.c: Optimize mutexes to wake up only one thread.
593 * pthread.c: Move PID of manager for global variable in structure
595 Patches by Xavier Leroy.
597 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
599 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
601 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
603 * attr.c: Correct typo.
605 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
607 * manager.c (pthread_free): Unmap guard before the stack.
608 Patch by Matthias Urlichs.
610 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
612 * manager.c (pthread_free): Detect already free child.
613 Patch by Xavier Leroy, reported by Matthias Urlichs.
615 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
617 * Makefile (linuxthreads-version): Renamed back from
620 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
622 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
625 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
627 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
628 * internals.h: Add definitions for new spinlock implementation.
629 * ptlongjmp.c: New file.
630 * spinlock.c: New file.
631 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
632 new function __pthread_acquire to prevent deadlocks with thread
633 with different priorities.
634 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
636 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
638 * manager.c (__pthread_manager): Reduce first argument to select
639 to include just the needed file descriptor.
641 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
643 * manager.c: Fix last patch which caused core dumps.
645 * pthread.c: Correctly handle missing SIGRTMIN.
647 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
649 * libpthread.map: Add __libc_internal_tsd_get and
650 __libc_internal_tsd_set. Add missing cancelable functions. Export
651 libc internal versions of the cancelable functions.
653 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
655 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
657 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
659 * attr.c: Implement pthread_attr_[gs]etguardsize,
660 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
661 Change pthread_attr_init to have two interfaces.
662 * internals.h (struct _pthread_descr_struct): Add new fields for
664 * libpthread.map: Add names in GLIBC_2.1 section.
665 * manager.c (pthread_handle_create): Implement guardsize and
667 (pthread_free): Likewise.
668 * pthread.c (pthread_create): Add new interface for changed
670 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
671 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
674 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
676 * manager.c: Enable resetting of the thread scheduling policy
677 to SCHED_OTHER when the parent thread has a different one.
679 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
681 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
682 _POSIX_ASYNCHRONOUS_IO.
684 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
686 * mutex.c: Implement new mutex types.
688 * internals.h: Include <signal.h>.
690 * libpthread.map: Add __erno_location and __h_errno_location.
692 * errno.c: Return pointer to variable actually in use. This might
693 not be the one in the thread structure.
694 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
696 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
697 of manager thread structure.
698 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
700 * pthread.c: Adapt initializer for thread structures.
701 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
702 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
703 current thread to global variables.
705 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
707 * rwlock.c: New file.
708 * Makefile (libpthread-routines): Add rwlock.
709 * sysdeps/pthread/pthread.h: Define data structures and declare
711 * libpthread.map: Add new functions.
713 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
715 * sysdeps/arm/pt-machine.h: New file; add ARM support.
716 * sysdeps/arm/Implies: likewise.
717 * README: Document it.
719 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
721 * signals.c: Remove unneeded initializer for sigwaited, saving a
724 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
726 * semaphore.c (sem_init): Set sem_spinlock only if available.
728 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
730 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
731 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
733 * Makefile: Update from LinuxThreads 0.7.
734 * internals.h. Likewise.
735 * manager.c: Likewise.
737 * pthread.c: Likewise.
738 * signals.c: Likewise.
739 * specific.c: Likewise.
740 * Examples/ex3.c: Likewise.
742 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
744 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
747 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
749 * wrapsyscall.c: Add socket functions which are also cancelation
752 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
754 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
755 New functions for fast thread specific data within libc.
757 * internals.h: Add new array p_libc_specific to struct
758 _pthread_descr_struct.
760 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
762 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
764 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
765 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
767 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
769 * internals.h (struct _pthread_descr_struct): Add definitions for
770 two-level specific key handling.
771 * manager.c (pthread_handle_create): Initialize specific memory array.
772 * specific.c: Implement two-level key handling.
773 * weaks.c: Don't provide dummy key handling.
774 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
775 Add definition of __libc_key_t.
776 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
778 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
779 PTHREAD_DESTRUCTOR_ITERATIONS.
781 * manager.c (pthread_handle_create): Compare mmap result with
784 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
785 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
787 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
789 sysdeps/sparc -> sysdeps/sparc/sparc32
790 sysdeps/sparc64 -> sysdeps/sparc/sparc64
792 * internals.h: Change definition of THREAD_SELF to be an expression,
793 not a statement that did a return.
794 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
795 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
796 Follow Solaris and use a "system reserved" register (%g6) to hold
797 the thread descriptor.
798 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
800 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
802 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
803 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
804 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
806 * semaphore.c: Include spinlock.h only when needed.
808 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
809 keys for entries not in use.
811 * weaks.c: Implement key handling functions for real.
813 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
815 Initial sparc64-linux support:
816 * linuxthreads/sysdeps/sparc64/Implies: New file.
817 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
819 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
821 * semaphore.c: Include spinlock.h at correct place.
824 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
826 The Great Bit File Move:
827 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
828 * sysdeps/powerpc/semaphorebits.h: Likewise.
829 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
830 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
831 * sysdeps/pthread/libc-lock.h: -> bits/
832 * sysdeps/pthread/stdio-lock.h: Likewise.
833 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
834 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
835 * semaphore.h: Likewise.
836 * sysdeps/pthread/pthread.h: Likewise.
838 * lockfile.c: <foo.h> -> <bits/foo.h>.
839 * semaphore.h: Likewise.
841 * Makefile: (headers): foo.h -> bits/foo.h.
842 * sysdeps/pthread/Makefile: Likewise.
844 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
846 * semaphore.c (sem_init): Set sem_spinlock only if available.
848 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
851 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
853 Update from LinuxThreads 0.6.
855 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
856 and __sched_get_priority_min instead of names without `__'.
858 * manager.c: Rewrite large parts to implement opaque pthread_t.
860 * cancel.c: Adapt for opaque pthread_t type.
861 * condvar.c: Likewise.
865 * pthread.c: Likewise.
866 * signals.c: Likewise.
867 * specific.c: Likewise.
868 * restart.h: Likewise.
870 * Examples/ex3.c: Likewise.
871 * Examples/ex4.c: Likewise.
872 * sysdeps/pthread/pthread.h: Likewise.
874 * pthread.c: Accumulate time for all threads in thread manager.
876 * semaphore.c: Implement fallback implementation for architectures
877 sometimes missing compare-exchange operations.
879 * cancel.c (pthread_cancel): Validate handle argument.
880 * join.c (pthread_join): Likewise.
881 (pthread_detach): Likewise.
882 * signals.c (pthread_kill): Likewise.
884 * spinlock.h (acquire): Use __sched_yield not sched_yield.
886 * queue.h (enqueue): Enqueue thread according to priority.
888 * internals.c (struct pthread_start_args): New struct for passing
889 args to cloning function.
890 (struct _pthread): Rename to _pthread_descr_struct and adapt for
893 * Examples/Makefile (clean): Pass -f option to rm.
895 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
896 and define TEST_FOR_COMPARE_AND_SWAP.
897 * sysdeps/i386/i486/pt-machine.h: Removed.
899 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
902 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
904 * restart.h (suspend): Clear p_signal before suspending.
905 (suspend_with_cancellation): Likewise.
906 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
908 * weaks.c: Make __pthread_key_create return 1.
909 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
910 __libc_getspecific, __libc_setspecific, and __libc_key_t.
911 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
914 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
916 * sysdeps/sparc/pt-machine (RELEASE): Fix.
918 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
920 * sysdeps/powerpc/Implies: Added.
921 * sysdeps/powerpc/pt-machine.h: Added.
922 * sysdeps/powerpc/semaphorebits.h: Added.
924 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
926 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
928 (__pthread_manager_thread): Likewise.
929 Reported by Andreas Jaeger.
931 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
933 Since sigset_t no longer fits in a register, we can't pass in the
934 thread's initial mask so easily. Take this opportunity to simplify
935 the clone implementation by only accepting a single void* argument.
937 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
938 in the thread struct instead of as arguments through clone.
939 (pthread_start_thread): Look for them there.
940 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
941 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
942 * linuxthreads/pthread.c (pthread_initialize_manager): Revise