1 1999-01-16 Ulrich Drepper <drepper@cygnus.com>
3 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO,
4 _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98.
6 1999-01-07 Xavier Leroy <Xavier.Leroy@inria.fr>
8 * pthread.c: Use a third signal __pthread_sig_debug distinct
9 from __pthread_sig_cancel to notify gdb when a thread is
11 * manager.c: Likewise.
12 * internals.h: Likewise.
13 * signals.c: The implementation of sigwait(s) assumed that
14 all signals in s have signal handlers already attached.
15 This is not required by the standard, so make it work
16 also if some of the signals have no handlers.
18 1999-01-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20 * linuxthreads.texi: Remove pointers from first @node. Move old
21 @node spec inside comment.
23 1998-12-31 Ulrich Drepper <drepper@cygnus.com>
25 * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
28 1998-12-29 Ulrich Drepper <drepper@cygnus.com>
30 * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
31 lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
33 1998-12-21 Ulrich Drepper <drepper@cygnus.com>
35 * manager.c: Threads now send __pthread_sig_cancel on termination.
36 Change clone call and signal masks.
37 * thread.c (pthread_handle_sigrestart): Remove special code for
39 (pthread_handle_sigcancel): In manager thread call
40 __pthread_manager_sighandler.
41 * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
42 * sysdeps/i386/i686/pt-machine.h: Likewise.
43 Patches by Xavier Leroy.
45 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
47 * spinlock.c (__pthread_unlock): Don't crash if called for an
48 untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
50 * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
53 1998-12-13 Ulrich Drepper <drepper@cygnus.com>
55 * Examples/ex3.c: Wait until all threads are started before
56 searching for the number to avoid race condition on very fast
59 1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
61 * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
62 declaration since it's not needed.
64 * sysdeps/pthread/pthread.h: Move internal functions to ...
65 * internals.h: ...here.
67 1998-12-02 H.J. Lu <hjl@gnu.org>
69 * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
71 (__pthread_sig_cancel): Likewise.
73 1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
75 * wrapsyscall.c: Include <sys/mman.h> for msync,
76 <stdlib.h> for system and <termios.h> for tcdrain prototype.
77 Correct msync declaration.
79 1998-11-29 Roland McGrath <roland@baalperazim.frob.com>
81 * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
82 __libc_tsd_set): New macros for new interface.
83 * no-tsd.c: New file, provide uninitialized defns of
84 __libc_internal_tsd_get and __libc_internal_tsd_set.
85 * Makefile (routines): Add no-tsd.
87 1998-10-12 Roland McGrath <roland@baalperazim.frob.com>
89 * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
90 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
91 __libc_internal_tsd_set): Move decls to ...
92 * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
95 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
96 __libc_internal_tsd_set): Make these pointers to functions, not
97 functions; remove #pragma weak decls for them.
98 * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
99 Define static functions and initialized pointers to them.
101 1998-11-18 Ulrich Drepper <drepper@cygnus.com>
103 * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
104 (CFLAGS-specific.c): Likewise.
105 (CFLAGS-pthread.c): Likewise.
106 (CFLAGS-ptfork.c): Likewise.
107 (CFLAGS-cancel.c): Likewise.
108 * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
109 as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
111 * mutex.c (pthread_mutex_init): Define as strong symbol.
112 (pthread_mutex_destroy): Likewise.
113 (pthread_mutex_trylock): Likewise.
114 (pthread_mutex_lock): Likewise.
115 (pthread_mutex_unlock): Likewise.
116 (pthread_mutexattr_init): Likewise.
117 (pthread_mutexattr_destroy): Likewise.
118 (pthread_once): Likewise.
119 * ptfork.c (pthread_atfork): Likewise.
120 * specific.c (pthread_key_create): Likewise.
121 (pthread_setspecific): Likewise.
122 (pthread_getspecific): Likewise.
124 1998-11-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
126 * linuxthreads.texi: Fix punctuation after xref.
128 1998-11-10 H.J. Lu <hjl@gnu.org>
130 * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
131 if it is defined in <linux/limits.h>.
133 1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com>
135 * spinlock.h (__pthread_trylock): Define inline.
136 (__pthread_lock): Add extra parameter to declaration. Declare
137 using internal_function.
138 (__pthread_unlock): Declare using internal_function.
139 * spinlock.c (__pthread_lock): Add new parameter. Use it instead
140 of local variable self. Avoid recomputing self. Define using
142 (__pthread_trylock): Remove.
143 (__pthread_unlock): Define using internal_function.
144 * cancel.c: Adjust for __pthread_lock interface change. Use already
145 computed self value is possible.
146 * condvar.c: Likewise.
148 * manager.c: Likewise.
150 * pthread.c: Likewise.
151 * rwlock.c: Likewise.
152 * semaphore.c: Likewise.
153 * signals.c: Likewise.
155 1998-10-27 13:46 Ulrich Drepper <drepper@cygnus.com>
157 * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
158 __ to field names of the struct.
159 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
161 (pthread_attr_t): Likewise.
162 (pthread_cond_t): Likewise.
163 (pthread_condattr_t): Likewise.
164 (pthread_mutex_t): Likewise.
165 (pthread_mutexattr_t): Likewise.
166 (pthread_rwlock_t): Likewise.
167 (pthread_rwlockattr_t): Likewise.
168 * attr.c: Adjust for pthread.h and pthreadtypes.h change.
169 * cancel.c: Likewise.
170 * condvar.c: Likewise.
171 * manager.c: Likewise.
173 * pthread.c: Likewise.
174 * ptlongjmp.c: Likewise.
175 * rwlock.c: Likewise.
176 * spinlock.c: Likewise.
178 1998-10-09 Ulrich Drepper <drepper@cygnus.com>
180 * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
183 * sysdeps/i386/i686/pt-machine.h: Remove unused inline
186 * Makefile (libpthread-routines): Add pt-machine.
187 * pt-machine.c: New file.
188 * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
189 yet defined. Use PT_EI in extern inline definitions.
190 * sysdeps/arm/pt-machine.h: Likewise.
191 * sysdeps/i386/pt-machine.h: Likewise.
192 * sysdeps/i386/i686/pt-machine.h: Likewise.
193 * sysdeps/m68k/pt-machine.h: Likewise.
194 * sysdeps/mips/pt-machine.h: Likewise.
195 * sysdeps/powerpc/pt-machine.h: Likewise.
196 * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
197 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
199 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
201 * semaphore.h: Include <sys/types.h> so that _pthread_descr
204 1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
206 * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
208 * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
210 1998-09-12 14:24 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
212 * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add
213 multiple inclusion guard.
215 1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
217 * signals.c (sigaction): Check that sig is less than NSIG to avoid
218 array index overflow.
220 1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com>
222 * sysdeps/pthread/semaphore.h: New file.
224 1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com>
226 * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
227 _LIBC_TSD_KEY_DL_ERROR.
229 1998-08-31 Ulrich Drepper <drepper@cygnus.com>
231 * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
232 * sysdeps/i386/pt-machine.h: Likewise.
233 Suggested by Roland McGrath.
235 1998-08-28 13:58 Ulrich Drepper <drepper@cygnus.com>
237 * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
238 access thread data with non-constant offsets.
239 * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
242 * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and
243 THREAD_SETMEM_NC definitions.
245 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
247 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
249 1998-08-26 15:46 Ulrich Drepper <drepper@cygnus.com>
251 * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
253 (struct _pthread_descr_struct): Add p_self and p_nr field.
254 * manager.c (__pthread_handles): Define second element to point
256 (__pthread_handles_num): Initialize to 2.
257 (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
258 (pthread_start_thread): Likewise.
259 (pthread_handle_create): Start search for free slot at entry 2.
260 Initialize new fields p_self and p_nr.
261 Call __clone with CLONE_PTRACE if available.
262 (pthread_free): Call FREE_THREAD_SELF if available.
263 * pthread.c (__pthread_initial_thread): Initialize new fields.
264 (__pthread_manager_thread): Likewise.
265 (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
267 * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
268 elements of the thread descriptor.
269 * condvar.c: Likewise.
272 * manager.c: Likewise.
273 * pthread.c: Likewise.
274 * ptlongjmp.c: Likewise.
275 * semaphore.c: Likewise.
276 * signals.c: Likewise.
277 * specific.c: Likewise.
278 * spinlock.c: Likewise.
280 * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
282 * sysdeps/i386/useldt.h: New file.
283 * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
285 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
286 THREAD_SETMEM using __thread_self.
287 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
289 1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
291 * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
292 turned out that we didn't need to queue after all.
294 1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
296 * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
297 and wastes space; correct types.
299 1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
301 * signals.c (sigaction): Handle NULL argument.
303 1998-08-04 Ulrich Drepper <drepper@cygnus.com>
305 * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
308 1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
310 * Makefile (linuxthreads-version): Extract correct number from
313 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
315 * Banner: Bump version number to 0.8
316 * FAQ.html: Many updates, in particular w.r.t. debugging.
317 * manager.c: Support for non-default stacksize for
318 LinuxThreads-allocated stacks;
319 don't use guard pages for stacks with default size, rely on
320 rlimit(RLIMIT_STACK) instead (it's cheaper).
322 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
323 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
324 * condvar.c: Likewise.
325 * internals.h: Likewise.
326 * restart.h: Likewise.
327 * signals.c: Likewise.
328 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
330 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
332 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
333 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
334 * Versions: Put __pthread_mutexattr_settype under version
335 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
336 __pthread_mutexattr_gettype.
338 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
340 * sysdeps/pthread/bits/libc-lock.h: Make
341 __pthread_mutexattr_settype weak. Don't make
342 __pthread_mutexattr_setkind_np weak.
344 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
346 * manager.c (pthread_handle_create): Check whether sched_setscheduler
347 call can succeed here.
349 * mutex.c: Define __pthread_mutexattr_settype and make
350 __pthread_mutexattr_setkind_np an alias.
351 Likewise for __pthread_mutexattr_gettype.
353 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
355 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
358 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
360 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
362 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
364 * Examples/ex6.c: Include <unistd.h> for usleep.
366 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
368 * Examples/ex4.c (main): Use exit, not pthread_exit.
370 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
372 * Versions: Add __pthread_mutexattr_gettype and
373 __pthread_mutexattr_settype.
374 * lockfile.c: Use __pthread_mutexattr_settype instead of
375 __pthread_mutexattr_setkind_np.
376 * mutex.c: Define __pthread_mutexattr_gettype and
377 __pthread_mutexattr_settype.
379 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
380 __pthread_mutexattr_settype.
381 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
382 Use __pthread_mutexattr_settype.
384 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
386 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
387 * mutex.c: Define weak alias pthread_mutexattr_gettype and
388 pthread_mutexattr_settype.
389 * sysdeps/pthread/pthread.h: Declare these functions.
390 Move pthread_sigmask and pthread_kill declaration in separate header.
391 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
393 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
395 * Makefile: Add rules to compile and run tests.
396 * Examples/ex1.c: Little changes to fix warnings.
397 * Examples/ex2.c: Likewise.
398 * Examples/ex3.c: Likewise.
399 * Examples/ex4.c: Likewise.
400 * Examples/ex5.c: Likewise.
401 * Examples/ex6.c: New file.
403 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
405 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
407 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
409 * attr.c: Include <string.h>.
411 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
413 * attr.c: Include errno.h. Use memcpy to copy sched_param.
414 * internals.h: Include limits.h.
415 * manager.c: Use memcpy to copy sched_param.
416 * ptfork.c: Include errno.h.
417 * pthread.c: Likewise.
418 * semaphore.c: Likewise.
419 * specific.c: Likewise.
420 * spinlock.h: Likewise.
421 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
422 type definition to ...
423 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
425 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
427 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
429 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
430 as macros as demanded in POSIX.1, Annex C.
432 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
434 * internals.h (struct pthread_request): For free use pthread_t
435 instead of pthread_descr.
436 * join.c (pthread_join): Pass thread_id, not th to manager.
437 (pthread_detach): Likewise.
438 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
439 (pthread_exited): Remove detached queue code.
440 (pthread_handle_free): Expect thread ID parameter and use it to
441 validate the thread decsriptor. Don't use detached queue.
442 Patches by Xavier Leroy.
444 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
446 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
447 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
448 __pthread_atfork, __pthread_key_create, __pthread_once.
449 * internals.h: Doc fix.
450 * pthread.c (__pthread_initialize): Define again.
452 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
454 * manager.c (pthread_exited): If thread is not detached put it on
456 (pthread_handle_free): If thread is not on list with living threads
457 search on list with detached threads.
459 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
460 for new definition of pthread_rwlock_t.
462 * spinlock.c: Correct test whether to compile
463 __pthread_compare_and_swap or not.
465 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
467 * attr.c: Finish user stack support. Change locking code to be safe
468 in situations with different priorities.
469 * cancel.c: Likewise.
470 * condvar.c: Likewise.
471 * internals.h: Likewise.
473 * manager.c: Likewise.
475 * pthread.c: Likewise.
476 * ptlongjmp.c: Likewise.
478 * rwlock.c: Likewise.
479 * semaphore.c: Likewise.
480 * semaphore.h: Likewise.
481 * signals.c: Likewise.
482 * spinlock.c: Likewise.
483 * spinlock.h: Likewise.
484 * sysdeps/pthread/pthread.h: Likewise.
485 Patches by Xavier Leroy.
487 * sysdeps/i386/i686/pt-machine.h: New file.
489 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
491 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
492 [sg]et_stackaddr prototypes always available.
494 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
495 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
497 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
499 * manager.c (pthread_free): Undo patch from 980430.
500 Reported by David Wragg <dpw@doc.ic.ac.uk>.
502 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
504 * manager.c: Define __pthread_manager_adjust_prio and use it to
505 increase priority when needed.
506 * internals.h: Add prototype for __pthread_manager_adjust_prio.
507 * mutex.c: Optimize mutexes to wake up only one thread.
508 * pthread.c: Move PID of manager for global variable in structure
510 Patches by Xavier Leroy.
512 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
514 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
516 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
518 * attr.c: Correct typo.
520 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
522 * manager.c (pthread_free): Unmap guard before the stack.
523 Patch by Matthias Urlichs.
525 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
527 * manager.c (pthread_free): Detect already free child.
528 Patch by Xavier Leroy, reported by Matthias Urlichs.
530 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
532 * Makefile (linuxthreads-version): Renamed back from
535 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
537 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
540 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
542 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
543 * internals.h: Add definitions for new spinlock implementation.
544 * ptlongjmp.c: New file.
545 * spinlock.c: New file.
546 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
547 new function __pthread_acquire to prevent deadlocks with thread
548 with different priorities.
549 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
551 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
553 * manager.c (__pthread_manager): Reduce first argument to select
554 to include just the needed file descriptor.
556 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
558 * manager.c: Fix last patch which caused core dumps.
560 * pthread.c: Correctly handle missing SIGRTMIN.
562 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
564 * libpthread.map: Add __libc_internal_tsd_get and
565 __libc_internal_tsd_set. Add missing cancelable functions. Export
566 libc internal versions of the cancelable functions.
568 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
570 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
572 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
574 * attr.c: Implement pthread_attr_[gs]etguardsize,
575 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
576 Change pthread_attr_init to have two interfaces.
577 * internals.h (struct _pthread_descr_struct): Add new fields for
579 * libpthread.map: Add names in GLIBC_2.1 section.
580 * manager.c (pthread_handle_create): Implement guardsize and
582 (pthread_free): Likewise.
583 * pthread.c (pthread_create): Add new interface for changed
585 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
586 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
589 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
591 * manager.c: Enable resetting of the thread scheduling policy
592 to SCHED_OTHER when the parent thread has a different one.
594 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
596 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
597 _POSIX_ASYNCHRONOUS_IO.
599 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
601 * mutex.c: Implement new mutex types.
603 * internals.h: Include <signal.h>.
605 * libpthread.map: Add __erno_location and __h_errno_location.
607 * errno.c: Return pointer to variable actually in use. This might
608 not be the one in the thread structure.
609 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
611 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
612 of manager thread structure.
613 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
615 * pthread.c: Adapt initializer for thread structures.
616 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
617 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
618 current thread to global variables.
620 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
622 * rwlock.c: New file.
623 * Makefile (libpthread-routines): Add rwlock.
624 * sysdeps/pthread/pthread.h: Define data structures and declare
626 * libpthread.map: Add new functions.
628 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
630 * sysdeps/arm/pt-machine.h: New file; add ARM support.
631 * sysdeps/arm/Implies: likewise.
632 * README: Document it.
634 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
636 * signals.c: Remove unneeded initializer for sigwaited, saving a
639 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
641 * semaphore.c (sem_init): Set sem_spinlock only if available.
643 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
645 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
646 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
648 * Makefile: Update from LinuxThreads 0.7.
649 * internals.h. Likewise.
650 * manager.c: Likewise.
652 * pthread.c: Likewise.
653 * signals.c: Likewise.
654 * specific.c: Likewise.
655 * Examples/ex3.c: Likewise.
657 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
659 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
662 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
664 * wrapsyscall.c: Add socket functions which are also cancelation
667 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
669 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
670 New functions for fast thread specific data within libc.
672 * internals.h: Add new array p_libc_specific to struct
673 _pthread_descr_struct.
675 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
677 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
679 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
680 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
682 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
684 * internals.h (struct _pthread_descr_struct): Add definitions for
685 two-level specific key handling.
686 * manager.c (pthread_handle_create): Initialize specific memory array.
687 * specific.c: Implement two-level key handling.
688 * weaks.c: Don't provide dummy key handling.
689 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
690 Add definition of __libc_key_t.
691 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
693 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
694 PTHREAD_DESTRUCTOR_ITERATIONS.
696 * manager.c (pthread_handle_create): Compare mmap result with
699 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
700 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
702 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
704 sysdeps/sparc -> sysdeps/sparc/sparc32
705 sysdeps/sparc64 -> sysdeps/sparc/sparc64
707 * internals.h: Change definition of THREAD_SELF to be an expression,
708 not a statement that did a return.
709 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
710 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
711 Follow Solaris and use a "system reserved" register (%g6) to hold
712 the thread descriptor.
713 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
715 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
717 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
718 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
719 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
721 * semaphore.c: Include spinlock.h only when needed.
723 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
724 keys for entries not in use.
726 * weaks.c: Implement key handling functions for real.
728 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
730 Initial sparc64-linux support:
731 * linuxthreads/sysdeps/sparc64/Implies: New file.
732 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
734 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
736 * semaphore.c: Include spinlock.h at correct place.
739 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
741 The Great Bit File Move:
742 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
743 * sysdeps/powerpc/semaphorebits.h: Likewise.
744 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
745 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
746 * sysdeps/pthread/libc-lock.h: -> bits/
747 * sysdeps/pthread/stdio-lock.h: Likewise.
748 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
749 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
750 * semaphore.h: Likewise.
751 * sysdeps/pthread/pthread.h: Likewise.
753 * lockfile.c: <foo.h> -> <bits/foo.h>.
754 * semaphore.h: Likewise.
756 * Makefile: (headers): foo.h -> bits/foo.h.
757 * sysdeps/pthread/Makefile: Likewise.
759 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
761 * semaphore.c (sem_init): Set sem_spinlock only if available.
763 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
766 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
768 Update from LinuxThreads 0.6.
770 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
771 and __sched_get_priority_min instead of names without `__'.
773 * manager.c: Rewrite large parts to implement opaque pthread_t.
775 * cancel.c: Adapt for opaque pthread_t type.
776 * condvar.c: Likewise.
780 * pthread.c: Likewise.
781 * signals.c: Likewise.
782 * specific.c: Likewise.
783 * restart.h: Likewise.
785 * Examples/ex3.c: Likewise.
786 * Examples/ex4.c: Likewise.
787 * sysdeps/pthread/pthread.h: Likewise.
789 * pthread.c: Accumulate time for all threads in thread manager.
791 * semaphore.c: Implement fallback implementation for architectures
792 sometimes missing compare-exchange operations.
794 * cancel.c (pthread_cancel): Validate handle argument.
795 * join.c (pthread_join): Likewise.
796 (pthread_detach): Likewise.
797 * signals.c (pthread_kill): Likewise.
799 * spinlock.h (acquire): Use __sched_yield not sched_yield.
801 * queue.h (enqueue): Enqueue thread according to priority.
803 * internals.c (struct pthread_start_args): New struct for passing
804 args to cloning function.
805 (struct _pthread): Rename to _pthread_descr_struct and adapt for
808 * Examples/Makefile (clean): Pass -f option to rm.
810 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
811 and define TEST_FOR_COMPARE_AND_SWAP.
812 * sysdeps/i386/i486/pt-machine.h: Removed.
814 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
817 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
819 * restart.h (suspend): Clear p_signal before suspending.
820 (suspend_with_cancellation): Likewise.
821 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
823 * weaks.c: Make __pthread_key_create return 1.
824 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
825 __libc_getspecific, __libc_setspecific, and __libc_key_t.
826 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
829 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
831 * sysdeps/sparc/pt-machine (RELEASE): Fix.
833 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
835 * sysdeps/powerpc/Implies: Added.
836 * sysdeps/powerpc/pt-machine.h: Added.
837 * sysdeps/powerpc/semaphorebits.h: Added.
839 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
841 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
843 (__pthread_manager_thread): Likewise.
844 Reported by Andreas Jaeger.
846 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
848 Since sigset_t no longer fits in a register, we can't pass in the
849 thread's initial mask so easily. Take this opportunity to simplify
850 the clone implementation by only accepting a single void* argument.
852 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
853 in the thread struct instead of as arguments through clone.
854 (pthread_start_thread): Look for them there.
855 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
856 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
857 * linuxthreads/pthread.c (pthread_initialize_manager): Revise