1 1999-07-29 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3 * manager.c: Remove inclusion of <linux/tasks.h> since it's not
6 1999-07-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8 * internals.h: Align _pthread_descr_struct to 32 bytes.
9 Reported by Tim Hockin <thockin@cobaltnet.com>, close PR
12 1999-07-09 Ulrich Drepper <drepper@cygnus.com>
14 * oldsemaphore.c (sem_compare_and_swap): Fix use of compare and
17 1999-07-09 Cristian Gafton <gafton@redhat.com>
19 * Makefile (libpthread-routines): Add oldsemaphore routine.
20 * Versions: Add sem_destroy, sem_getvalue, sem_init, sem_post,
21 sem_trywait, and sem_wait to GLIBC_2.1.
22 * oldsemaphore.c: New file.
23 * semaphore.c: Add default_symbol_versions for the changed functions.
24 (__new_sem_init): Rename from sem_init.
25 (__new_sem_post): Rename from sem_post.
26 (__new_sem_wait): Rename from sem_wait.
27 (__new_sem_trywait): Rename from sem_trywait.
28 (__new_sem_getvalue): Rename from sem_getvalue.
29 (__new_sem_destroy): Rename from sem_destroy.
31 1999-06-23 Robey Pointer <robey@netscape.com>
33 * internals.h: Added p_nextlock entry to separate queueing for a
34 lock from queueing for a CV (sometimes a thread queues on a lock
35 to serialize removing itself from a CV queue).
36 * pthread.c: Added p_nextlock to initializers.
37 * spinlock.c: Changed to use p_nextlock instead of p_nextwaiting.
39 1999-07-09 Ulrich Drepper <drepper@cygnus.com>
41 * manager.c (pthread_handle_create): Free mmap region after stack
42 if clone failed. Patch by Kaz Kylheku <kaz@ashi.FootPrints.net>.
44 1999-05-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
46 * man/pthread_cond_init.man: Correct example.
47 Reported by Tomas Berndtsson <tomas@nocrew.org>.
49 * linuxthreads.texi (Condition Variables): Likewise.
51 1999-05-18 Jakub Jelinek <jj@ultra.linux.cz>
53 * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): Use
54 casx not cas, also successful casx returns the old value in rd
55 and not the new value.
57 1999-05-16 Xavier Leroy <Xavier.Leroy@inria.fr>
59 * manager.c: If pthread_create() is given a NULL attribute
60 and the thread manager runs with a realtime policy, set the
61 scheduling policy of the newly created thread back to SCHED_OTHER.
62 * manager.c: If the PTHREAD_INHERIT_SCHED attribute is given,
63 initialize the schedpolicy field of new_thread->p_start_args
64 to that of the calling thread.
66 1999-04-29 Ulrich Drepper <drepper@cygnus.com>
68 * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): cas
69 instruction does not allow memory element to use offset.
71 1999-04-28 Ulrich Drepper <drepper@cygnus.com>
73 * manager.c (pthread_allocate_stack): Optimize initialization of new
76 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_define_initialized):
77 Don't use initializer since it is all zeroes.
78 (__libc_once_define): Likewise.
80 1999-04-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
82 * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg
83 doesn't exist anymore.
84 * sysdeps/i386/Implies: Likewise.
85 * sysdeps/m68k/Implies: Likewise.
86 * sysdeps/mips/Implies: Likewise.
87 * sysdeps/powerpc/Implies: Likewise.
88 * sysdeps/sparc/sparc32/Implies: Likewise.
89 * sysdeps/sparc/sparc64/Implies: Likewise.
91 1999-04-15 Ulrich Drepper <drepper@cygnus.com>
93 * sysdeps/alpha/bits/semaphore.h: Removed.
94 * sysdeps/powerpc/bits/semaphore.h: Removed.
95 * sysdeps/pthread/cmpxchg/bits/semaphore.h: Removed.
96 * sysdeps/pthread/no-cmpxchg/bits/semaphore.h: Removed.
97 * Makefile (headers): Remove bits/semaphore.h.
99 * semaphore.h: Define _pthread_descr if necessary.
100 Don't include limits.h. Define SEM_VALUE_MAX directly.
102 (sem_t): Protect element names with leading __.
103 Add declarations for sem_close, sem_open, and sem_unlink.
104 * semaphore.c: Adjust all functions for new element names.
105 Define sem_close, sem_open, and sem_unlink.
106 * Versions (libthread): Add sem_close, sem_open, and sem_unlink for
108 * sysdeps/pthread/bits/pthreadtypes.h: Define _pthread_descr only if
111 1999-03-16 H.J. Lu <hjl@gnu.org>
113 * specific.c (pthread_key_delete): Check th->p_terminated to see
114 if the thread is running.
116 * Versions (__libc_internal_tsd_get, __libc_internal_tsd_set):
117 Added to GLIBC_2.0 for libc.so.
119 1999-02-12 H.J. Lu <hjl@gnu.org>
121 * Versions (__libc_current_sigrtmin, __libc_current_sigrtmax,
122 __libc_allocate_rtsig): Added to GLIBC_2.1.
124 * internals.h (DEFAULT_SIG_RESTART): Removed.
125 (DEFAULT_SIG_CANCEL): Removed.
127 * pthread.c (init_rtsigs, __libc_current_sigrtmin,
128 __libc_current_sigrtmax, __libc_allocate_rtsig): New functions.
129 (__pthread_sig_restart, __pthread_sig_cancel,
130 __pthread_sig_debug): Initialized.
131 (pthread_initialize): Call init_rtsigs () to initialize
134 1999-02-03 H.J. Lu <hjl@gnu.org>
136 * manager.c (__pthread_manager): Do block __pthread_sig_debug.
137 Don't restart the thread which sent REQ_DEBUG.
138 (pthread_start_thread): Check if __pthread_sig_debug > 0
141 * pthread.c (__pthread_initialize_manager): Suspend ourself
142 after sending __pthread_sig_debug to gdb instead of
143 __pthread_sig_cancel.
145 1999-01-24 H.J. Lu <hjl@gnu.org>
147 * manager.c (__pthread_manager): Delete __pthread_sig_debug
148 from mask if __pthread_sig_debug > 0.
149 (pthread_handle_create): Increment __pthread_handles_num.
151 * manager.c (pthread_handle_create): Don't pass CLONE_PTRACE to clone.
152 * pthread.c (__pthread_initialize_manager): Likewise.
154 * pthread.c (pthread_initialize): Use __libc_allocate_rtsig (1)
155 instead of __libc_allocate_rtsig (2).
156 (__pthread_initialize_manager): Send __pthread_sig_debug to gdb
157 instead of __pthread_sig_cancel.
158 (pthread_handle_sigdebug): Fix comments.
160 1999-01-21 Ulrich Drepper <drepper@cygnus.com>
162 * manager.c (pthread_allocate_stack): Set
163 __pthread_nonstandard_stacks if user-specified stack is used.
165 1999-01-16 Ulrich Drepper <drepper@cygnus.com>
167 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO,
168 _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98.
170 1999-01-07 Xavier Leroy <Xavier.Leroy@inria.fr>
172 * pthread.c: Use a third signal __pthread_sig_debug distinct
173 from __pthread_sig_cancel to notify gdb when a thread is
175 * manager.c: Likewise.
176 * internals.h: Likewise.
177 * signals.c: The implementation of sigwait(s) assumed that
178 all signals in s have signal handlers already attached.
179 This is not required by the standard, so make it work
180 also if some of the signals have no handlers.
182 1999-01-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
184 * linuxthreads.texi: Remove pointers from first @node. Move old
185 @node spec inside comment.
187 1998-12-31 Ulrich Drepper <drepper@cygnus.com>
189 * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
192 1998-12-29 Ulrich Drepper <drepper@cygnus.com>
194 * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
195 lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
197 1998-12-21 Ulrich Drepper <drepper@cygnus.com>
199 * manager.c: Threads now send __pthread_sig_cancel on termination.
200 Change clone call and signal masks.
201 * thread.c (pthread_handle_sigrestart): Remove special code for
203 (pthread_handle_sigcancel): In manager thread call
204 __pthread_manager_sighandler.
205 * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
206 * sysdeps/i386/i686/pt-machine.h: Likewise.
207 Patches by Xavier Leroy.
209 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
211 * spinlock.c (__pthread_unlock): Don't crash if called for an
212 untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
214 * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
217 1998-12-13 Ulrich Drepper <drepper@cygnus.com>
219 * Examples/ex3.c: Wait until all threads are started before
220 searching for the number to avoid race condition on very fast
223 1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
225 * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
226 declaration since it's not needed.
228 * sysdeps/pthread/pthread.h: Move internal functions to ...
229 * internals.h: ...here.
231 1998-12-02 H.J. Lu <hjl@gnu.org>
233 * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
235 (__pthread_sig_cancel): Likewise.
237 1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
239 * wrapsyscall.c: Include <sys/mman.h> for msync,
240 <stdlib.h> for system and <termios.h> for tcdrain prototype.
241 Correct msync declaration.
243 1998-11-29 Roland McGrath <roland@baalperazim.frob.com>
245 * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
246 __libc_tsd_set): New macros for new interface.
247 * no-tsd.c: New file, provide uninitialized defns of
248 __libc_internal_tsd_get and __libc_internal_tsd_set.
249 * Makefile (routines): Add no-tsd.
251 1998-10-12 Roland McGrath <roland@baalperazim.frob.com>
253 * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
254 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
255 __libc_internal_tsd_set): Move decls to ...
256 * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
259 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
260 __libc_internal_tsd_set): Make these pointers to functions, not
261 functions; remove #pragma weak decls for them.
262 * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
263 Define static functions and initialized pointers to them.
265 1998-11-18 Ulrich Drepper <drepper@cygnus.com>
267 * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
268 (CFLAGS-specific.c): Likewise.
269 (CFLAGS-pthread.c): Likewise.
270 (CFLAGS-ptfork.c): Likewise.
271 (CFLAGS-cancel.c): Likewise.
272 * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
273 as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
275 * mutex.c (pthread_mutex_init): Define as strong symbol.
276 (pthread_mutex_destroy): Likewise.
277 (pthread_mutex_trylock): Likewise.
278 (pthread_mutex_lock): Likewise.
279 (pthread_mutex_unlock): Likewise.
280 (pthread_mutexattr_init): Likewise.
281 (pthread_mutexattr_destroy): Likewise.
282 (pthread_once): Likewise.
283 * ptfork.c (pthread_atfork): Likewise.
284 * specific.c (pthread_key_create): Likewise.
285 (pthread_setspecific): Likewise.
286 (pthread_getspecific): Likewise.
288 1998-11-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
290 * linuxthreads.texi: Fix punctuation after xref.
292 1998-11-10 H.J. Lu <hjl@gnu.org>
294 * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
295 if it is defined in <linux/limits.h>.
297 1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com>
299 * spinlock.h (__pthread_trylock): Define inline.
300 (__pthread_lock): Add extra parameter to declaration. Declare
301 using internal_function.
302 (__pthread_unlock): Declare using internal_function.
303 * spinlock.c (__pthread_lock): Add new parameter. Use it instead
304 of local variable self. Avoid recomputing self. Define using
306 (__pthread_trylock): Remove.
307 (__pthread_unlock): Define using internal_function.
308 * cancel.c: Adjust for __pthread_lock interface change. Use already
309 computed self value is possible.
310 * condvar.c: Likewise.
312 * manager.c: Likewise.
314 * pthread.c: Likewise.
315 * rwlock.c: Likewise.
316 * semaphore.c: Likewise.
317 * signals.c: Likewise.
319 1998-10-27 13:46 Ulrich Drepper <drepper@cygnus.com>
321 * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
322 __ to field names of the struct.
323 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
325 (pthread_attr_t): Likewise.
326 (pthread_cond_t): Likewise.
327 (pthread_condattr_t): Likewise.
328 (pthread_mutex_t): Likewise.
329 (pthread_mutexattr_t): Likewise.
330 (pthread_rwlock_t): Likewise.
331 (pthread_rwlockattr_t): Likewise.
332 * attr.c: Adjust for pthread.h and pthreadtypes.h change.
333 * cancel.c: Likewise.
334 * condvar.c: Likewise.
335 * manager.c: Likewise.
337 * pthread.c: Likewise.
338 * ptlongjmp.c: Likewise.
339 * rwlock.c: Likewise.
340 * spinlock.c: Likewise.
342 1998-10-09 Ulrich Drepper <drepper@cygnus.com>
344 * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
347 * sysdeps/i386/i686/pt-machine.h: Remove unused inline
350 * Makefile (libpthread-routines): Add pt-machine.
351 * pt-machine.c: New file.
352 * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
353 yet defined. Use PT_EI in extern inline definitions.
354 * sysdeps/arm/pt-machine.h: Likewise.
355 * sysdeps/i386/pt-machine.h: Likewise.
356 * sysdeps/i386/i686/pt-machine.h: Likewise.
357 * sysdeps/m68k/pt-machine.h: Likewise.
358 * sysdeps/mips/pt-machine.h: Likewise.
359 * sysdeps/powerpc/pt-machine.h: Likewise.
360 * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
361 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
363 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
365 * semaphore.h: Include <sys/types.h> so that _pthread_descr
368 1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
370 * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
372 * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
374 1998-09-12 14:24 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
376 * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add
377 multiple inclusion guard.
379 1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
381 * signals.c (sigaction): Check that sig is less than NSIG to avoid
382 array index overflow.
384 1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com>
386 * sysdeps/pthread/semaphore.h: New file.
388 1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com>
390 * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
391 _LIBC_TSD_KEY_DL_ERROR.
393 1998-08-31 Ulrich Drepper <drepper@cygnus.com>
395 * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
396 * sysdeps/i386/pt-machine.h: Likewise.
397 Suggested by Roland McGrath.
399 1998-08-28 13:58 Ulrich Drepper <drepper@cygnus.com>
401 * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
402 access thread data with non-constant offsets.
403 * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
406 * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and
407 THREAD_SETMEM_NC definitions.
409 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
411 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
413 1998-08-26 15:46 Ulrich Drepper <drepper@cygnus.com>
415 * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
417 (struct _pthread_descr_struct): Add p_self and p_nr field.
418 * manager.c (__pthread_handles): Define second element to point
420 (__pthread_handles_num): Initialize to 2.
421 (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
422 (pthread_start_thread): Likewise.
423 (pthread_handle_create): Start search for free slot at entry 2.
424 Initialize new fields p_self and p_nr.
425 Call __clone with CLONE_PTRACE if available.
426 (pthread_free): Call FREE_THREAD_SELF if available.
427 * pthread.c (__pthread_initial_thread): Initialize new fields.
428 (__pthread_manager_thread): Likewise.
429 (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
431 * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
432 elements of the thread descriptor.
433 * condvar.c: Likewise.
436 * manager.c: Likewise.
437 * pthread.c: Likewise.
438 * ptlongjmp.c: Likewise.
439 * semaphore.c: Likewise.
440 * signals.c: Likewise.
441 * specific.c: Likewise.
442 * spinlock.c: Likewise.
444 * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
446 * sysdeps/i386/useldt.h: New file.
447 * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
449 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
450 THREAD_SETMEM using __thread_self.
451 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
453 1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
455 * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
456 turned out that we didn't need to queue after all.
458 1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
460 * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
461 and wastes space; correct types.
463 1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
465 * signals.c (sigaction): Handle NULL argument.
467 1998-08-04 Ulrich Drepper <drepper@cygnus.com>
469 * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
472 1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
474 * Makefile (linuxthreads-version): Extract correct number from
477 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
479 * Banner: Bump version number to 0.8
480 * FAQ.html: Many updates, in particular w.r.t. debugging.
481 * manager.c: Support for non-default stacksize for
482 LinuxThreads-allocated stacks;
483 don't use guard pages for stacks with default size, rely on
484 rlimit(RLIMIT_STACK) instead (it's cheaper).
486 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
487 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
488 * condvar.c: Likewise.
489 * internals.h: Likewise.
490 * restart.h: Likewise.
491 * signals.c: Likewise.
492 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
494 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
496 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
497 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
498 * Versions: Put __pthread_mutexattr_settype under version
499 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
500 __pthread_mutexattr_gettype.
502 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
504 * sysdeps/pthread/bits/libc-lock.h: Make
505 __pthread_mutexattr_settype weak. Don't make
506 __pthread_mutexattr_setkind_np weak.
508 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
510 * manager.c (pthread_handle_create): Check whether sched_setscheduler
511 call can succeed here.
513 * mutex.c: Define __pthread_mutexattr_settype and make
514 __pthread_mutexattr_setkind_np an alias.
515 Likewise for __pthread_mutexattr_gettype.
517 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
519 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
522 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
524 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
526 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
528 * Examples/ex6.c: Include <unistd.h> for usleep.
530 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
532 * Examples/ex4.c (main): Use exit, not pthread_exit.
534 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
536 * Versions: Add __pthread_mutexattr_gettype and
537 __pthread_mutexattr_settype.
538 * lockfile.c: Use __pthread_mutexattr_settype instead of
539 __pthread_mutexattr_setkind_np.
540 * mutex.c: Define __pthread_mutexattr_gettype and
541 __pthread_mutexattr_settype.
543 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
544 __pthread_mutexattr_settype.
545 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
546 Use __pthread_mutexattr_settype.
548 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
550 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
551 * mutex.c: Define weak alias pthread_mutexattr_gettype and
552 pthread_mutexattr_settype.
553 * sysdeps/pthread/pthread.h: Declare these functions.
554 Move pthread_sigmask and pthread_kill declaration in separate header.
555 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
557 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
559 * Makefile: Add rules to compile and run tests.
560 * Examples/ex1.c: Little changes to fix warnings.
561 * Examples/ex2.c: Likewise.
562 * Examples/ex3.c: Likewise.
563 * Examples/ex4.c: Likewise.
564 * Examples/ex5.c: Likewise.
565 * Examples/ex6.c: New file.
567 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
569 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
571 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
573 * attr.c: Include <string.h>.
575 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
577 * attr.c: Include errno.h. Use memcpy to copy sched_param.
578 * internals.h: Include limits.h.
579 * manager.c: Use memcpy to copy sched_param.
580 * ptfork.c: Include errno.h.
581 * pthread.c: Likewise.
582 * semaphore.c: Likewise.
583 * specific.c: Likewise.
584 * spinlock.h: Likewise.
585 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
586 type definition to ...
587 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
589 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
591 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
593 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
594 as macros as demanded in POSIX.1, Annex C.
596 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
598 * internals.h (struct pthread_request): For free use pthread_t
599 instead of pthread_descr.
600 * join.c (pthread_join): Pass thread_id, not th to manager.
601 (pthread_detach): Likewise.
602 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
603 (pthread_exited): Remove detached queue code.
604 (pthread_handle_free): Expect thread ID parameter and use it to
605 validate the thread decsriptor. Don't use detached queue.
606 Patches by Xavier Leroy.
608 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
610 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
611 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
612 __pthread_atfork, __pthread_key_create, __pthread_once.
613 * internals.h: Doc fix.
614 * pthread.c (__pthread_initialize): Define again.
616 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
618 * manager.c (pthread_exited): If thread is not detached put it on
620 (pthread_handle_free): If thread is not on list with living threads
621 search on list with detached threads.
623 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
624 for new definition of pthread_rwlock_t.
626 * spinlock.c: Correct test whether to compile
627 __pthread_compare_and_swap or not.
629 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
631 * attr.c: Finish user stack support. Change locking code to be safe
632 in situations with different priorities.
633 * cancel.c: Likewise.
634 * condvar.c: Likewise.
635 * internals.h: Likewise.
637 * manager.c: Likewise.
639 * pthread.c: Likewise.
640 * ptlongjmp.c: Likewise.
642 * rwlock.c: Likewise.
643 * semaphore.c: Likewise.
644 * semaphore.h: Likewise.
645 * signals.c: Likewise.
646 * spinlock.c: Likewise.
647 * spinlock.h: Likewise.
648 * sysdeps/pthread/pthread.h: Likewise.
649 Patches by Xavier Leroy.
651 * sysdeps/i386/i686/pt-machine.h: New file.
653 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
655 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
656 [sg]et_stackaddr prototypes always available.
658 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
659 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
661 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
663 * manager.c (pthread_free): Undo patch from 980430.
664 Reported by David Wragg <dpw@doc.ic.ac.uk>.
666 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
668 * manager.c: Define __pthread_manager_adjust_prio and use it to
669 increase priority when needed.
670 * internals.h: Add prototype for __pthread_manager_adjust_prio.
671 * mutex.c: Optimize mutexes to wake up only one thread.
672 * pthread.c: Move PID of manager for global variable in structure
674 Patches by Xavier Leroy.
676 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
678 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
680 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
682 * attr.c: Correct typo.
684 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
686 * manager.c (pthread_free): Unmap guard before the stack.
687 Patch by Matthias Urlichs.
689 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
691 * manager.c (pthread_free): Detect already free child.
692 Patch by Xavier Leroy, reported by Matthias Urlichs.
694 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
696 * Makefile (linuxthreads-version): Renamed back from
699 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
701 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
704 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
706 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
707 * internals.h: Add definitions for new spinlock implementation.
708 * ptlongjmp.c: New file.
709 * spinlock.c: New file.
710 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
711 new function __pthread_acquire to prevent deadlocks with thread
712 with different priorities.
713 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
715 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
717 * manager.c (__pthread_manager): Reduce first argument to select
718 to include just the needed file descriptor.
720 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
722 * manager.c: Fix last patch which caused core dumps.
724 * pthread.c: Correctly handle missing SIGRTMIN.
726 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
728 * libpthread.map: Add __libc_internal_tsd_get and
729 __libc_internal_tsd_set. Add missing cancelable functions. Export
730 libc internal versions of the cancelable functions.
732 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
734 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
736 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
738 * attr.c: Implement pthread_attr_[gs]etguardsize,
739 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
740 Change pthread_attr_init to have two interfaces.
741 * internals.h (struct _pthread_descr_struct): Add new fields for
743 * libpthread.map: Add names in GLIBC_2.1 section.
744 * manager.c (pthread_handle_create): Implement guardsize and
746 (pthread_free): Likewise.
747 * pthread.c (pthread_create): Add new interface for changed
749 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
750 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
753 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
755 * manager.c: Enable resetting of the thread scheduling policy
756 to SCHED_OTHER when the parent thread has a different one.
758 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
760 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
761 _POSIX_ASYNCHRONOUS_IO.
763 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
765 * mutex.c: Implement new mutex types.
767 * internals.h: Include <signal.h>.
769 * libpthread.map: Add __erno_location and __h_errno_location.
771 * errno.c: Return pointer to variable actually in use. This might
772 not be the one in the thread structure.
773 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
775 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
776 of manager thread structure.
777 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
779 * pthread.c: Adapt initializer for thread structures.
780 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
781 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
782 current thread to global variables.
784 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
786 * rwlock.c: New file.
787 * Makefile (libpthread-routines): Add rwlock.
788 * sysdeps/pthread/pthread.h: Define data structures and declare
790 * libpthread.map: Add new functions.
792 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
794 * sysdeps/arm/pt-machine.h: New file; add ARM support.
795 * sysdeps/arm/Implies: likewise.
796 * README: Document it.
798 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
800 * signals.c: Remove unneeded initializer for sigwaited, saving a
803 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
805 * semaphore.c (sem_init): Set sem_spinlock only if available.
807 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
809 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
810 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
812 * Makefile: Update from LinuxThreads 0.7.
813 * internals.h. Likewise.
814 * manager.c: Likewise.
816 * pthread.c: Likewise.
817 * signals.c: Likewise.
818 * specific.c: Likewise.
819 * Examples/ex3.c: Likewise.
821 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
823 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
826 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
828 * wrapsyscall.c: Add socket functions which are also cancelation
831 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
833 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
834 New functions for fast thread specific data within libc.
836 * internals.h: Add new array p_libc_specific to struct
837 _pthread_descr_struct.
839 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
841 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
843 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
844 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
846 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
848 * internals.h (struct _pthread_descr_struct): Add definitions for
849 two-level specific key handling.
850 * manager.c (pthread_handle_create): Initialize specific memory array.
851 * specific.c: Implement two-level key handling.
852 * weaks.c: Don't provide dummy key handling.
853 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
854 Add definition of __libc_key_t.
855 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
857 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
858 PTHREAD_DESTRUCTOR_ITERATIONS.
860 * manager.c (pthread_handle_create): Compare mmap result with
863 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
864 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
866 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
868 sysdeps/sparc -> sysdeps/sparc/sparc32
869 sysdeps/sparc64 -> sysdeps/sparc/sparc64
871 * internals.h: Change definition of THREAD_SELF to be an expression,
872 not a statement that did a return.
873 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
874 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
875 Follow Solaris and use a "system reserved" register (%g6) to hold
876 the thread descriptor.
877 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
879 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
881 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
882 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
883 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
885 * semaphore.c: Include spinlock.h only when needed.
887 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
888 keys for entries not in use.
890 * weaks.c: Implement key handling functions for real.
892 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
894 Initial sparc64-linux support:
895 * linuxthreads/sysdeps/sparc64/Implies: New file.
896 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
898 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
900 * semaphore.c: Include spinlock.h at correct place.
903 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
905 The Great Bit File Move:
906 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
907 * sysdeps/powerpc/semaphorebits.h: Likewise.
908 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
909 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
910 * sysdeps/pthread/libc-lock.h: -> bits/
911 * sysdeps/pthread/stdio-lock.h: Likewise.
912 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
913 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
914 * semaphore.h: Likewise.
915 * sysdeps/pthread/pthread.h: Likewise.
917 * lockfile.c: <foo.h> -> <bits/foo.h>.
918 * semaphore.h: Likewise.
920 * Makefile: (headers): foo.h -> bits/foo.h.
921 * sysdeps/pthread/Makefile: Likewise.
923 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
925 * semaphore.c (sem_init): Set sem_spinlock only if available.
927 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
930 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
932 Update from LinuxThreads 0.6.
934 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
935 and __sched_get_priority_min instead of names without `__'.
937 * manager.c: Rewrite large parts to implement opaque pthread_t.
939 * cancel.c: Adapt for opaque pthread_t type.
940 * condvar.c: Likewise.
944 * pthread.c: Likewise.
945 * signals.c: Likewise.
946 * specific.c: Likewise.
947 * restart.h: Likewise.
949 * Examples/ex3.c: Likewise.
950 * Examples/ex4.c: Likewise.
951 * sysdeps/pthread/pthread.h: Likewise.
953 * pthread.c: Accumulate time for all threads in thread manager.
955 * semaphore.c: Implement fallback implementation for architectures
956 sometimes missing compare-exchange operations.
958 * cancel.c (pthread_cancel): Validate handle argument.
959 * join.c (pthread_join): Likewise.
960 (pthread_detach): Likewise.
961 * signals.c (pthread_kill): Likewise.
963 * spinlock.h (acquire): Use __sched_yield not sched_yield.
965 * queue.h (enqueue): Enqueue thread according to priority.
967 * internals.c (struct pthread_start_args): New struct for passing
968 args to cloning function.
969 (struct _pthread): Rename to _pthread_descr_struct and adapt for
972 * Examples/Makefile (clean): Pass -f option to rm.
974 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
975 and define TEST_FOR_COMPARE_AND_SWAP.
976 * sysdeps/i386/i486/pt-machine.h: Removed.
978 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
981 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
983 * restart.h (suspend): Clear p_signal before suspending.
984 (suspend_with_cancellation): Likewise.
985 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
987 * weaks.c: Make __pthread_key_create return 1.
988 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
989 __libc_getspecific, __libc_setspecific, and __libc_key_t.
990 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
993 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
995 * sysdeps/sparc/pt-machine (RELEASE): Fix.
997 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
999 * sysdeps/powerpc/Implies: Added.
1000 * sysdeps/powerpc/pt-machine.h: Added.
1001 * sysdeps/powerpc/semaphorebits.h: Added.
1003 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
1005 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
1007 (__pthread_manager_thread): Likewise.
1008 Reported by Andreas Jaeger.
1010 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
1012 Since sigset_t no longer fits in a register, we can't pass in the
1013 thread's initial mask so easily. Take this opportunity to simplify
1014 the clone implementation by only accepting a single void* argument.
1016 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
1017 in the thread struct instead of as arguments through clone.
1018 (pthread_start_thread): Look for them there.
1019 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
1020 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
1021 * linuxthreads/pthread.c (pthread_initialize_manager): Revise