1 2001-06-15 H.J. Lu <hjl@gnu.org>
3 * pthread.c (__pthread_reset_main_thread): Fix a typo.
5 2001-02-02 John S. Marvin <jsm@udlkern.fc.hp.com>
7 * semaphore.h: Use struct _pthread_fastlock as an element of
8 sem_t instead of an identical struct.
9 * rwlock.c: Remove casts.
10 * semaphore.c: Likewise.
12 2001-04-30 Alan Modra <amodra@one.net.au>
14 * sysdeps/unix/sysv/linux/hppa/pt-initfini.c: New.
16 2001-05-25 Bruce Mitchener <bruce@cubik.org>
18 * linuxthreads.texi: Spelling corrections.
20 2001-05-25 Ulrich Drepper <drepper@redhat.com>
22 * oldsemaphore.c (__old_sem_wait): Clear p_nextwaiting before
23 returning successfully.
24 Patch by Gene Cooperman <gene@ccs.neu.edu>.
26 2001-05-24 Ulrich Drepper <drepper@redhat.com>
28 * spinlock.c (__pthread_lock) [HAS_COMPARE_AND_SWAP]: Before doing any
29 serious work try once whether the lock is uncontested.
30 Remove duplicate reading of __status before loop.
31 Change suggested by Hans Boehm <hans_boehm@hp.com>.
33 * spinlock.h (__pthread_trylock): Remove need for oldstatus variable.
34 (__pthread_alt_trylock): Likewise.
36 2001-05-01 Kaz Kylheku <kaz@ashi.footprints.net>
38 Memory barrier overhaul following line by line inspection.
39 * mutex.c (pthread_once): Missing memory barriers added.
40 * pthread.c (__pthread_wait_for_restart_signal,
41 __pthread_timedsuspend_new, __pthread_restart_new): Added
42 memory barriers ``just in case'' and for documentary value.
43 * spinlock.c (__pthread_release): New inline function for releasing
44 spinlock, to complement __pthread_acquire. Includes memory
45 barrier prior to assignment to spinlock, and __asm __volatile
46 dance to prevent reordering or optimization of the spinlock access.
47 * spinlock.c (__pthread_unlock, __pthread_alt_lock,
48 __pthread_alt_timedlock, __pthread_alt_unlock,
49 __pthread_compare_and_swap): Updated to use new __pthread_release
50 instead of updating spinlock directly.
51 * spinlock.c (__pthread_lock, __pthread_unlock, wait_node_alloc,
52 wait_node_free, wait_node_dequeue, __pthread_alt_lock,
53 __pthread_alt_timedlock, __pthread_alt_unlock, __pthread_acquire):
54 Memory barrier overhaul. Lots of missing memory barriers added,
55 a couple needless ones removed.
56 * spinlock.c (__pthread_compare_and_swap): testandset optimization
57 removed, just calls __pthread_acquire, which has the new read
58 barrier in it before its testandset.
60 2001-05-20 Roland McGrath <roland@frob.com>
62 * Makeconfig: New file, variables used to be in main libc Makeconfig.
64 2001-05-09 Geoff Keating <geoffk@redhat.com>
66 * sysdeps/powerpc/pt-machine.h
67 (HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS): Define.
68 (__compare_and_swap): Remove memory barriers.
69 (__compare_and_swap_with_release_semantics): New function.
71 2001-04-24 Andreas Jaeger <aj@suse.de>
73 * wrapsyscall.c: send* and recv* return ssize_t.
75 * sysdeps/pthread/timer_getoverr.c (timer_getoverrun): Unlock the
76 mutex instead of double locking it.
77 Reported by Pierre Artaud <partaud@sodatec.com>.
79 2001-04-23 Ulrich Drepper <drepper@redhat.com>
81 * sysdeps/pthread/getcpuclockid.c: Make function generic, test
82 using #ifdef whether the clock is available.
83 * sysdeps/unix/sysv/linux/i386/getcpuclockid.c: Removed.
85 * sysdeps/ia64/Versions: New file.
87 * sysdeps/unix/sysv/linux/ia64/pt-initfini.c (_init): We don't
88 have to call __gmon_start__ in the libpthread DSO.
89 * sysdeps/pthread/pt-initfini.c (_init): Likewise.
91 * Makefile (libpthread-routines): Add ptclock_gettime and
93 * internals.h: Don't use cpuclock-init.h definitions, use
94 hp-timing.h definitions.
95 * pthread.c: Likewise.
96 * manager.c: Likewise.
97 * ptclock_gettime.c: New file.
98 * ptclock_settime.c: New file.
99 * internals.h: Fix parameter type for __pthread_clock_gettime and
100 __pthread_clock_settime.
102 * sysdeps/i386/i586/ptclock_gettime.c: Removed.
103 * sysdeps/i386/i586/ptclock_settime.c: Removed.
104 * sysdeps/i386/i586/Makefile: Removed.
106 2001-04-22 Ulrich Drepper <drepper@redhat.com>
108 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_ASYNCH_IO.
109 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
111 2001-04-21 Andreas Jaeger <aj@suse.de>
113 * sysdeps/pthread/timer_routines.c (thread_func): Add noreturn
114 attribute, remove statements that will never be executed.
115 (thread_func): Remove mutex_unlock call since it's never executed.
116 (thread_func): Fix comment as suggested by Jakub Jelinek.
118 * manager.c (__pthread_manager): Add noreturn
120 (pthread_start_thread): Likewise, remove return statement.
121 (pthread_start_thread_event): Likewise.
122 Add noreturn attribute for pthread_handle_exit.
123 * weaks.c: Add noreturn attribute for pthread_exit.
125 * internals.h: Add __pthread_clock_gettime and
126 __pthread_clock_settime prototypes.
128 2001-04-21 Ulrich Drepper <drepper@redhat.com>
130 * internals.h: Include <cpuclock-init.h>.
131 (struct _pthread_descr_struct): Add p_cpuclock_offset field if
132 CPUCLOCK_VARDEF is defined.
133 * pthread.c (__pthread_initialize_minimal): Initialize
134 p_cpuclock_offset field for main thread if CPUCLOCK_INIT is defined.
135 * manager.c (pthread_start_thread): Set p_cpuclock_offset field
136 for new thread to current CPU clock value.
138 * sysdeps/i386/useldt.h: Extend all the macros to handle 8-byte values.
140 * sysdeps/i386/i586/Makefile: New file.
141 * sysdeps/i386/i586/Versions: New file.
142 * sysdeps/i386/i586/ptclock_gettime.c: New file.
143 * sysdeps/i386/i586/ptclock_settime.c: New file.
144 * sysdeps/i386/i686/Implies: New file.
146 2001-04-18 Jakub Jelinek <jakub@redhat.com>
148 * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: Put specs into
149 $generated, not $postclean-generated.
151 2001-04-18 Andreas Jaeger <aj@suse.de>
153 * Makefile (otherlibs): Added.
155 2001-04-18 Jakub Jelinek <jakub@redhat.com>
157 * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: New file.
159 2001-04-16 Ulrich Drepper <drepper@redhat.com>
161 * signals.c (sigwait): NSIG is no signal number. Block all
162 signals while in signal handler for signals in SET.
163 Patch by Manfred Spraul <manfred@colorfullife.com>.
165 2001-04-12 Ulrich Drepper <drepper@redhat.com>
167 * tst-cancel.c: Disable most tests. Add new test where all
168 cleanup handlers must run.
169 * Makefile (tests): Add tst-cancel again.
171 * cancel.c (__pthread_perform_cleanup): Correct condition for
172 leaving cleanup loop early.
174 * sysdeps/i386/Makefile: Make sure gcc uses a frame pointer for
175 all the files which use CURRENT_STACK_FRAME.
176 * sysdeps/i386/pt-machine.h (CURRENT_STACK_FRAME): Define using
177 __builtin_frame_address.
178 * sysdeps/i386/i686/pt-machine.h: Likewise.
180 2001-04-11 Ulrich Drepper <drepper@redhat.com>
182 * Makefile (tests): Comment out tst-cancel for now.
184 * tst-cancel.c (main): Cleanup 4 is supposed to run. Create
185 temporary file in object directory.
186 * Makefile: Don't allow inlining when compiling tst-cancel.c.
187 Pass $(objpfx) to tst-cancel.
189 2001-04-11 David S. Miller <davem@redhat.com>
191 * sysdeps/sparc/sparc32/pt-machine.h (stack_pointer): Advance
192 up closer to user local variables so that new cleanup heuristics work.
193 * sysdeps/sparc/sparc64/pt-machine.h (stack_pointer): Likewise.
195 2001-04-11 Ulrich Drepper <drepper@redhat.com>
197 * cancel.c (_pthread_cleanup_push): Catch invalid __prev buffer
199 (_pthread_cleanup_push_defer): Likewise.
201 * tst-cancel.c (main): Fix loop printing cleanup output.
203 2001-04-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
205 * sysdeps/sh/pspinlock.c (__pthread_spin_lock): Fix a reverse
207 (__pthread_spin_trylock): Likewise.
208 * sysdeps/sh/pt-machine.h (testandset): Likewise.
210 2001-04-10 Ulrich Drepper <drepper@redhat.com>
212 * join.c (pthread_exit): Move code to new function __pthread_do_exit
213 which takes an extra parameter with the current frame pointer.
214 Call new function with CURRENT_STACK_FRAME.
215 (__pthread_do_exit): New function. Call __pthread_perform_cleanup
216 with the new parameter.
217 (pthread_join): Call __pthread_do_exit instead of pthread_exit.
218 * cancel.c (__pthread_perform_cleanup): Takes extra parameter. Use
219 this parameter as the initial value the cleanup handler records are
220 compared against. No active cleanup handler record must have an
221 address lower than the previous one and the initial record must be
222 above (below on PA) the frame address passed in.
223 (pthread_setcancelstate): Call __pthread_do_exit instead of
225 (pthread_setcanceltype): Likewise.
226 (pthread_testcancel): Likewise.
227 (_pthread_cleanup_pop_restore): Likewise.
228 * condvar.c (pthread_cond_wait): Likewise.
229 (pthread_cond_timedwait_relative): Likewise.
230 * manager.c (pthread_start_thread): Likewise.
231 * oldsemaphore.c (__old_sem_wait): Likewise.
232 * pthread.c (pthread_handle_sigcancel): Likewise.
233 * semaphore.c (__new_sem_wait): Likewise.
234 (sem_timedwait): Likewise.
235 * ptlongjmp.c (pthread_cleanup_upto): Also use current stack frame
236 to limit the cleanup handlers which get run.
237 * internals.h: Add prototype for __pthread_do_exit. Adjust prototype
238 for __pthread_perform_cleanup.
240 * Makefile (tests): Add tst-cancel.
241 * tst-cancel.c: New file.
243 2001-04-08 Hans-Peter Nilsson <hp@axis.com>
245 * sysdeps/cris/pt-machine.h: New file.
246 * sysdeps/cris/pspinlock.c: New file.
248 2001-04-09 Hans-Peter Nilsson <hp@axis.com>
250 * shlib-versions: Add case for Linux on CRIS.
252 2001-03-26 Ulrich Drepper <drepper@redhat.com>
254 * attr.c (pthread_getattr_np): Correct computation of stack size
255 for machiens with register stack.
257 * Examples/ex17.c (main): Correct detection of failed mmap call.
259 2001-03-21 Jakub Jelinek <jakub@redhat.com>
261 * pthread.c (__pthread_initialize_manager): Fix a typo.
263 2001-03-21 Jakub Jelinek <jakub@redhat.com>
265 * attr.c (__pthread_attr_setstack): Fix alignment check.
266 (pthread_getattr_np): __stackaddr is top of stack, not bottom.
267 * Makefile (tests): Add ex17 test.
268 * Examples/ex17.c: New test.
270 2001-03-20 Ulrich Drepper <drepper@redhat.com>
272 * Makefile: Define -D_RPC_THREAD_SAFE_ for cancel.c.
273 * cancel.c (__pthread_perform_cleanup): Call __rpc_thread_destroy.
274 * sysdeps/pthread/bits/libc-tsd.h: Define _LIBC_TSD_KEY_VARS.
276 2001-03-18 Ulrich Drepper <drepper@redhat.com>
278 * Makefile: When generating DSO link with libc_nonshared.a.
280 2001-02-26 Jakub Jelinek <jakub@redhat.com>
282 * signals.c (pthread_sighandler): Use CALL_SIGHANDLER.
284 2001-02-23 Jakub Jelinek <jakub@redhat.com>
286 * internals.h (__pthread_init_max_stacksize): New prototype.
287 * attr.c (__pthread_attr_setstacksize): Call
288 __pthread_init_max_stacksize if not yet initialized.
289 * pthread.c (__pthread_init_max_stacksize): New function.
290 (__pthread_initialize_manager): Call it.
291 Patch by <dtc@cmucl.cons.org>.
293 2001-03-16 Ulrich Drepper <drepper@redhat.com>
295 * attr.c (pthread_getattr_np): Fix __stacksize computation for IA-64.
297 2001-03-13 Martin Schwidefsky <schwidefsky@de.ibm.com>
299 * shlib-versions: Add rule for Linux on 64 bit S/390.
300 * sysdeps/s390/s390-64/pt-machine.h: New file.
301 * sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c: New file.
303 2001-03-13 Martin Schwidefsky <schwidefsky@de.ibm.com>
305 * sysdeps/s390/pt-machine.h: Move to...
306 * sysdeps/s390/s390-32/pt-machine.h: ...here.
307 Add defines for FLOATING_STACK and ARCH_STACK_MAX_SIZE.
309 2001-03-15 Ulrich Drepper <drepper@redhat.com>
311 * Versions [libpthread] (GLIBC_2.2.3): Add pthread_getattr_np.
312 * attr.c: Implement pthread_getattr_np.
313 * sysdeps/pthread/pthread.h: Add prototype for pthread_getattr_np.
314 * internals.h (struct _pthread_descr_struct): Add p_inheritsched.
315 * manager.c (pthread_handle_create): Initialize p_inheritsched.
317 2001-03-09 Martin Schwidefsky <schwidefsky@de.ibm.com>
319 * sysdeps/unix/sysv/linux/s390/pt-initfini.c: Use 0x07 padding for
322 2001-02-20 Hans Boehm <hans_boehm@hp.com>
324 * manager.c (manager_mask): Removed static vesion. Now always local
325 to __pthread_manager().
326 (manager_mask_all): Removed completely.
327 (__pthread_manager): Remove manager_mask_all initialization.
328 (pthread_handle_create): Remove code to set and reset signal mask
329 around __clone2() calls.
331 2001-02-17 Jakub Jelinek <jakub@redhat.com>
333 * spinlock.c (__pthread_lock): Force lock->__status to be read from
334 memory on every spin.
336 2001-02-10 Andreas Jaeger <aj@suse.de>
338 * Makefile (extra-objs): New.
340 2001-02-09 Jakub Jelinek <jakub@redhat.com>
342 * sysdeps/pthread/pt-initfini.c (call_initialize_minimal): Add
343 __pthread_initialize_minimal prototype.
345 2001-02-08 kaz Kojima <kkojima@rr.iij4u.or.jp>
347 * sysdeps/unix/sysv/linux/sh/pt-initfini.c: New file.
349 2001-02-06 Martin Schwidefsky <schwidefsky@de.ibm.com>
351 * sysdeps/unix/sysv/linux/s390/pt-initfini.c: New file.
353 2001-02-06 Ulrich Drepper <drepper@redhat.com>
355 * sysdeps/unix/sysv/linux/ia64/pt-initfini.c: First attempt to fix the
356 broken code. Patch by Jes Sorensen.
358 2001-02-06 Andreas Jaeger <aj@suse.de>
360 * sysdeps/pthread/pthread.h: Move __pthread_initialize from here
362 * internals.h: ...here.
364 2001-02-05 Jes Sorensen <jes@linuxcare.com>
366 * sysdeps/unix/sysv/linux/ia64/pt-initfini.c: New file.
368 2001-02-02 Ulrich Drepper <drepper@redhat.com>
370 * Versions: Remove __pthread_initialize_minimal.
372 2001-02-01 Ulrich Drepper <drepper@redhat.com>
374 * Makefile: Add rules to build crti.o and make it being used in
375 building libpthread.so.
376 * sysdeps/i386/Makefile: New file.
377 * sysdeps/pthread/pt-initfini.c: New file.
379 * pthread.c: Cleanups.
381 2001-01-28 Andreas Jaeger <aj@suse.de>
383 * oldsemaphore.c (__old_sem_init): Adjust for last change.
384 * sysdeps/pthread/bits/libc-lock.h: Likewise.
385 * spinlock.c: Likewise.
387 2001-01-28 Ulrich Drepper <drepper@redhat.com>
389 * sysdeps/pthread/bits/initspin.h: Make all names namespace clean.
390 * sysdeps/unix/sysv/linux/hppa/bits/initspin.h: Likewise.
391 * manager.c: Adjust for namespace cleanup in bits/initspin.h.
392 * pthread.c: Likewise.
393 * spinlock.h: Likewise.
394 * sysdeps/pthread/pthread.h: Likewise.
396 2001-01-26 Ulrich Drepper <drepper@redhat.com>
398 * sysdeps/pthread/bits/pthreadtypes.h: Define pthread_attr_t also
399 as struct __pthread_attr_s.
401 * semaphore.h (sem_t): Cleanup namespace, rename status and
404 2001-01-13 Jakub Jelinek <jakub@redhat.com>
406 * pthread.c (pthread_onexit_process): Clear
407 __pthread_manager_thread_bos after freeing it.
408 * Makefile (tests): Add ex16.
409 * Examples/ex16.c: New file.
411 2001-01-11 Jakub Jelinek <jakub@redhat.com>
413 * Makefile (CFLAGS-pthread.c): Pass -DHAVE_Z_NODELETE if ld supports
415 * pthread.c (pthread_exit_process): Rename to...
416 (pthread_onexit_process): ...this.
417 (pthread_atexit_process, pthread_atexit_retcode): New.
418 (pthread_initialize): Call __cxa_atexit instead of __cxa_on_exit
419 and only if HAVE_Z_NODELETE is not defined.
420 (__pthread_initialize_manager): Register pthread_atexit_retcode
423 2001-01-11 Ulrich Drepper <drepper@redhat.com>
425 * pthread.c (pthread_initialize): Use __cxs_on_exit not __cxa_atexit.
427 2001-01-11 Jakub Jelinek <jakub@redhat.com>
429 * Makefile (tests): Add ex15.
430 * Examples/ex15.c: New test.
432 2001-01-08 Ulrich Drepper <drepper@redhat.com>
434 * pthread.c (pthread_exit_process): Free memory allocated for
437 2000-12-31 Ulrich Drepper <drepper@redhat.com>
439 * manager.c (pthread_alloca_stack): Remove MAP_FIXED from mmap calls.
440 (pthread_free): Always unmap the stack. It's safe now that we don't
441 use MAP_FIXED to allocate stacks.
443 2000-12-31 Ulrich Drepper <drepper@redhat.com>
445 * sysdeps/powerpc/pspinlock.c: Don't include pt-machine.h here.
447 * manager.c (pthread_allocate_stack): Prepare for removal of MAP_FIXED.
449 2000-11-15 Wolfram Gloger <wg@malloc.de>
451 * manager.c (pthread_free): [!FLOATING_STACKS]: Only remap the
452 stack to PROT_NONE, don't unmap it, avoiding collisions with malloc.
454 2000-12-27 Andreas Jaeger <aj@suse.de>
456 * Examples/ex13.c: Make local functions static.
457 * ecmutex.c: Likewise.
458 * joinrace.c: Likewise.
459 * Examples/ex14.c: Likewise.
461 * Examples/ex2.c: Make local functions static; reformat.
462 * Examples/ex1.c: Likewise.
463 * Examples/ex4.c: Likewise.
464 * Examples/ex5.c: Likewise.
465 * Examples/ex7.c: Likewise.
467 * oldsemaphore.c: Add prototypes to shut up GCC.
468 * pt-machine.c: Likewise.
470 * weaks.c: Add prototype for pthread_exit.
472 * internals.h: Add some prototypes, format prototypes and add
474 Move __libc_waitpid prototype to include/sys/wait.h.
476 * rwlock.c: Include <bits/libc-lock.h> for prototypes.
478 * specific.c: Likewise.
479 * ptfork.c: Likewise.
481 * lockfile.c: Include internals.h to get prototypes.
482 * events.c: Likewise.
483 * sysdeps/alpha/pspinlock.c: Likewise.
484 * sysdeps/arm/pspinlock.c: Likewise.
485 * sysdeps/hppa/pspinlock.c: Likewise.
486 * sysdeps/i386/pspinlock.c: Likewise.
487 * sysdeps/ia64/pspinlock.c: Likewise.
488 * sysdeps/m68k/pspinlock.c: Likewise.
489 * sysdeps/mips/pspinlock.c: Likewise.
490 * sysdeps/powerpc/pspinlock.c: Likewise.
491 * sysdeps/s390/pspinlock.c: Likewise.
492 * sysdeps/sh/pspinlock.c: Likewise.
493 * sysdeps/sparc/sparc32/pspinlock.c: Likewise.
494 * sysdeps/sparc/sparc32/sparcv9/pspinlock.c: Likewise.
495 * sysdeps/sparc/sparc64/pspinlock.c: Likewise.
497 2000-12-27 Ulrich Drepper <drepper@redhat.com>
499 * attr.c (__pthread_attr_setstack): Fix setting of __stackaddr element.
500 (__pthread_attr_getstack): Return correct address.
501 Add warnings for using pthread_attr_getstackaddr and
502 pthread_attr_setstackaddr.
504 2000-12-26 Ulrich Drepper <drepper@redhat.com>
506 * Examples/ex6.c (test_thread): Make static.
507 * Examples/ex12.c (test_thread): Make static and add noreturn
510 2000-12-18 Jes Sorensen <jes@linuxcare.com>
512 * linuxthreads/sysdeps/ia64/pt-machine.h: __compare_and_swap
513 and compare_and_swap_with_release_semantics returns int not long.
515 2000-12-17 Andreas Jaeger <aj@suse.de>
517 * sysdeps/s390/pt-machine.h (testandset): Use long int as return
519 * sysdeps/arm/pt-machine.h (testandset): Likewise.
520 * sysdeps/hppa/pt-machine.h (testandset): Likewise.
521 * sysdeps/m68k/pt-machine.h (testandset): Likewise.
522 * sysdeps/sh/pt-machine.h (testandset): Likewise.
523 * sysdeps/sparc/sparc32/pt-machine.h (testandset): Likewise.
524 * sysdeps/sparc/sparc64/pt-machine.h (testandset): Likewise.
526 2000-12-17 Ulrich Drepper <drepper@redhat.com>
528 * sysdeps/i386/pt-machine.h (testandset): Adjust for prototype change.
529 * sysdeps/i386/i686/pt-machine.h (testandset): Likewise.
531 2000-12-17 Andreas Jaeger <aj@suse.de>
533 * internals.h: Add prototypes for testandset and
534 __compare_and_swap to shut up gcc warnings.
536 2000-12-06 Wolfram Gloger <wg@malloc.de>
538 * join.c (pthread_detach): Allow case where the thread has already
541 2000-12-05 Andreas Jaeger <aj@suse.de>
543 * sysdeps/mips/pspinlock.c (__pthread_spin_lock): Don't set mips2.
544 * sysdeps/mips/pt-machine.h (testandset): Likewise.
545 (__compare_and_swap): Likewise.
546 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
548 2000-11-20 Jakub Jelinek <jakub@redhat.com>
550 * Examples/ex3.c (main): Cast int to long before casting to void *.
551 (search): Cast void * to long, not int.
552 * Examples/ex8.c (main, thread): Similarly.
553 * Examples/ex11.c (main): Similarly.
554 * Examples/ex14.c (worker, do_test): Similarly.
555 * ecmutex.c (worker, do_test): Similarly.
556 (nlocks): Cast to int.
558 2000-11-08 Bruce Mitchener <bruce@cubik.org>
560 * linuxthreads.texi: Add documentation for pthreads attributes
561 guardsize, stackaddr, stacksize, and stack. Fix typo in previous
562 patch. Document pthread_[sg]etconcurrency(). Mark
563 pthread_mutexattr_[sg]ettype() as POSIX rather than GNU.
565 2000-11-07 Ulrich Drepper <drepper@redhat.com>
567 * sysdeps/unix/sysv/linux/bits/posix_opt.h (_POSIX_MESSAGE_PASSING):
569 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
570 Reported by Christopher Yeoh <cyeoh@linuxcare.com.au>.
572 2000-11-06 Ulrich Drepper <drepper@redhat.com>
574 * cancel.c (pthread_cancel): Always set p_canceled, even if we are
575 not doing it right now.
576 Reported by Kaz Kylheku <kaz@ashi.footprints.net>.
578 2000-10-30 Ulrich Drepper <drepper@redhat.com>
580 * Examples/ex4.c (main): Don't use exit() to avoid warning with
583 2000-10-29 Ulrich Drepper <drepper@redhat.com>
585 * attr.c (__pthread_attr_setguardsize): Don't round guardsize
586 here. Reported by Bruce Mitchener <bruce@cubik.org>.
588 * linuxthreads.texi: Changes terminology to 'type' from 'kind' when
589 discussing mutexes. (As per the Unix98 name for the API.)
590 Changes documentation for pthread_mutexattr_setkind_np() and
591 pthread_mutexattr_getkind_np() over to the Unix98 APIs for the
592 same: pthread_mutexattr_settype() and pthread_mutexattr_gettype().
593 Changes references to PTHREAD_MUTEXATTR_FAST_NP to
594 PTHREAD_MUTEXATTR_ADAPTIVE_NP.
595 Begins to introduce discussion of the ``timed'' mutex type. This
596 discussion is currently incomplete.
597 Patch by Bruce Mitchener <bruce@cubik.org>.
599 2000-10-26 Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
600 Yutaka Niibe <gniibe@chroot.org>
602 * sysdeps/sh/pt-machine.h (testandset): Since the operand of TAS.B
603 has restrictions, use register.
605 2000-10-23 Andreas Schwab <schwab@suse.de>
607 * Examples/ex14.c (TIMEOUT): Override default timeout.
609 2000-10-16 Ulrich Drepper <drepper@redhat.com>
611 * specific.c: Protect tsd array modification in thread data
612 structures by getting the thread lock in pthread_key_delete and
613 __pthread_destroy_specifics.
614 Patch by Wolfram Gloger <Wolfram.Gloger@dent.med.uni-muenchen.de>.
616 2000-10-12 Alan Modra <alan@linuxcare.com.au>
618 * sysdeps/pthread/bits/initspin.h: New file.
619 * spinlock.h: Move LOCK_INITIALIZER definition to <bits/initspin.h>.
620 (__pthread_init_lock): Initialize lock with LT_SPINLOCK_INIT.
621 (__pthread_alt_init_lock): Likewise.
622 (__pthread_alt_trylock): Release lock with LT_SPINLOCK_INIT.
624 2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
626 * oldsemaphore.c (__old_sem_init): Release lock with
627 LT_SPINLOCK_INIT, not zero.
628 * spinlock.c (__pthread_unlock): Likewise.
629 (__pthread_alt_lock): Likewise.
630 (__pthread_alt_timedlock): Likewise.
631 (__pthread_alt_unlock): Likewise.
632 * sysdeps/pthread/bits/libc-lock.h: Initialize locks with
633 LT_SPINLOCK_INIT if it is non-zero. Likewise for init-once flags.
634 * sysdeps/pthread/pthread.h: Include bits/initspin.h. Use
635 LT_SPINLOCK_INIT do initialize spinlocks not 0.
637 2000-10-12 David Huggins-Daines <dhd@linuxcare.com>
639 * shlib-versions: Add version definitions for hppa-linux.
641 2000-10-12 Alan Modra <alan@linuxcare.com.au>
643 * sysdeps/hppa/pspinlock.c: New file.
644 * sysdeps/hppa/pt-machine.h: New file.
645 * sysdeps/unix/sysv/linux/hppa/bits/initspin.h: New file.
647 2000-10-05 Jakub Jelinek <jakub@redhat.com>
649 * mutex.c (__pthread_mutex_destroy): Correct test of
650 busy mutex for mutexes using alternate fastlocks.
651 Patch by dtc@cmucl.cons.org.
653 2000-09-28 Martin Schwidefsksy <schwidefsky@de.ibm.com>
655 * sysdeps/s390/pt-machine.h: Make %a0 the thread register.
657 2000-09-28 Ulrich Drepper <drepper@redhat.com>
659 * mutex.c (__pthread_mutex_unlock): For PTHREAD_MUTEX_RECURSIVE_NP
660 test for owner first.
661 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
663 * cancel.c (pthread_cancel): Don't do anything if cancelation is
666 2000-09-26 Ulrich Drepper <drepper@redhat.com>
668 * spinlock.h (__pthread_set_own_extricate_if): Optimize a bit.
669 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
671 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Remove
672 _POSIX_MONOTONIC_CLOCK.
674 * spinlock.h (__pthread_set_own_extricate_if): Add back locking
677 2000-09-20 Andreas Jaeger <aj@suse.de>
679 * pthread.c [!__ASSUME_REALTIME_SIGNALS]: Make inclusion of
680 "testrtsig.h" conditional.
682 2000-09-11 Ulrich Drepper <drepper@redhat.com>
684 * sysdeps/pthread/pthread.h: Declare pthread_attr_getstack and
685 pthread_attr_setstack.
686 * Versions [libpthread] (GLIBC_2.2): Export pthread_attr_getstack and
687 pthread_attr_setstack.
688 * attr.c (pthread_attr_getstack, pthread_attr_setstack): New functions.
690 2000-09-05 Ulrich Drepper <drepper@redhat.com>
692 * Examples/ex14.c: New file.
693 * Makefile (tests): Add ex14.
695 * mutex.c (__pthread_mutex_unlock): Correct test for already unlocked
696 mutex. Patch by dtc@cmucl.cons.org.
698 * ecmutex.c: New file.
699 * Makefile (tests): Add ecmutex.
701 2000-09-04 H.J. Lu <hjl@gnu.org>
703 * attr.c (__pthread_attr_setguardsize): Use page_roundup
704 instead of roundup to round up to the page size.
706 2000-09-03 Mark Kettenis <kettenis@gnu.org>
708 * manager.c (pthread_exited): Correctly report event as TD_REAP
709 instead of TD_DEATH. Fix comments.
711 2000-09-03 Ulrich Drepper <drepper@redhat.com>
713 * spinlock.h (testandset): Add cast to avoid warning.
714 Patch by Franz Sirl <Franz.Sirl-kernel@lauterbach.com>.
716 2000-09-02 Andreas Jaeger <aj@suse.de>
718 * sysdeps/pthread/timer_routines.c: Include stdlib.h for abort
721 2000-09-01 Ulrich Drepper <drepper@redhat.com>
723 * sysdeps/pthread/bits/stdio-lock.h (_IO_cleanup_region_start):
724 Fix typo in last patch (_mode -> _flags).
726 * sysdeps/pthread/bits/stdio-lock.h (_IO_cleanup_region_start):
727 Provide definition which respects _IO_USER_LOCK flag.
729 2000-08-30 Ulrich Drepper <drepper@redhat.com>
731 * manager.c (pthread_allocate_stack): Clear descriptor only if not
734 2000-08-25 Ulrich Drepper <drepper@redhat.com>
736 * Makefile: Add rules to build and run unload.
737 * unload.c: New file.
739 * pthread.c (pthread_exit_process): Move thread_self use inside `if'.
741 * sysdeps/pthread/pthread.h
742 (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP): Defined.
743 (PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP: Defined.
745 2000-08-24 Andreas Jaeger <aj@suse.de>
747 * Examples/ex13.c: Include <string.h> for strerror prototype and
748 <stdlib.h> for abort prototype.
749 (pthr_cond_signal_mutex): Rewrite to silence GCC.
750 (thread_start): Remove unused variable err.
751 (main): Silence GCC warnings.
753 2000-08-22 Andreas Jaeger <aj@suse.de>
755 * Examples/ex13.c: New test by Kurt Garloff <garloff@suse.de>.
757 * Makefile (tests): Add ex13.
759 2000-08-20 Ulrich Drepper <drepper@redhat.com>
761 * semaphore.h: Add restrict where required by AGd4.
762 * sysdeps/pthread/pthread.h: Likewise.
763 * sysdeps/pthread/unix/sysv/linux/bits/sigthread.h: Likewise.
765 2000-08-15 Ulrich Drepper <drepper@redhat.com>
767 * Makefile (tests): Add ex12. Add rule to build it.
768 * Examples/ex12.c: New file.
770 2000-08-13 Ulrich Drepper <drepper@redhat.com>
772 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_SEMAPHORES
773 even though the implementation is not quite complete (but it reports
774 it). Define _POSIX_MESSAGE_PASSING to -1.
775 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
777 2000-08-12 Andreas Jaeger <aj@suse.de>
779 * sysdeps/mips/pt-machine.h (testandset): Add .set mips2 for
781 (__compare_and_swap): Likewise.
782 * sysdeps/mips/pspinlock.c (__pthread_spin_lock): Likewise.
784 2000-08-10 Ulrich Drepper <drepper@redhat.com>
786 * pthread.c (__pthread_initial_thread): Initialize p_errnop and
787 p_h_errnop correctly and not to NULL.
789 2000-08-05 Ulrich Drepper <drepper@redhat.com>
791 * Banner: Bump version number to 0.9.
793 2000-08-04 Ulrich Drepper <drepper@redhat.com>
795 * Makefile (tests): Add tststack. Add rule to build the program.
796 * tststack.c: New file.
798 * internals.h: Declare __pthread_max_stacksize.
799 * pthread.c (__pthread_max_stacksize): New variable.
800 (__pthread_initialize_manager): Determine __pthread_initialize_manager
802 * manager.c (thread_segment): Return always NULL if FLOATING_STACKS.
803 (pthread_allocate_stack): Allow kernel to choose stack address if
804 FLOATING_STACKS. This also handles variable-sized stacks.
805 Always allocate stack and guardpage together. Use mprotect to
806 change guardpage access.
807 * sysdeps/i386/useldt.h: Define FLOATING_STACKS and
810 * attr.c (__pthread_attr_setstacksize): Also test value against
813 * manager.c (__pthread_nonstandard_stacks): Define only if
814 THREAD_SELF is not defined.
815 (pthread_allocate_stack): Always initialize gardaddr to a correct
817 (pthread_handle_create): Unmap thread with one call.
818 (pthread_free): Remove test for initial thread before removing stack.
819 Unmap stack with one call.
821 * pthread.c (__pthread_initial_thread): Initialize p_userstack to
822 1 to avoid removing the stack.
824 2000-07-27 Jes Sorensen <jes@linuxcare.com>
826 * sysdeps/ia64/pspinlock.c (__pthread_spin_lock): Add
827 load of spin lock to prime the cache before the atomic compare and
828 exchange operation (cmpxchg4). This avoids the spinning on the
829 cmpxchg4 instruction and reduces movement of the cache line back
830 and forth between the processors (explanation by Asis K. Mallick
831 from Intel). This basically makes the implementation operate the
832 same as the Linux kernel implementation.
834 * shlib-versions: Use GLIBC_2_2 for Linux/ia64.
835 * sysdeps/ia64/pspinlock.c: New file.
837 2000-08-03 Ulrich Drepper <drepper@redhat.com>
839 * pthread.c: Move definition of __pthread_set_own_extricate_if...
840 * spinlock.h: ...here. Remove locking.
841 * internals.h: Remove __pthread_set_own_extricate_if prototype.
843 * rwlock.c: Use THREAD_GETMEM And THREAD_SETMEM.
844 (rwlock_rd_extricate_func): Don't determine self, let
845 __pthread_lock do it.
846 (rwlock_wr_extricate_func): Likewise.
847 (rwlock_have_already): Optimize *pself handling a bit.
849 * mutex.c: Use __builtin_expect.
850 * pthread.c: Likewise.
852 2000-08-02 Andreas Jaeger <aj@suse.de>
854 * sysdeps/s390/pspinlock.c: New file.
855 * sysdeps/s390/pt-machine.h: New file.
856 Patches by Martin Schwidefsky <schwidefsky@de.ibm.com>.
858 2000-07-12 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
860 * sysdeps/mips/pspinlock.c (__pthread_spin_lock): Implement for
862 * sysdeps/mips/pt-machine.h (testandset): Likewise.
864 2000-07-26 Andreas Jaeger <aj@suse.de>
866 * pthread.c: Initialize p_sem_avail.
868 2000-07-25 Ulrich Drepper <drepper@redhat.com>
870 * internals.h (struct __pthread_descr_struct): Add p_sem_avail.
871 * semaphore.c: Handle spurious wakeups.
873 * sysdeps/pthread/pthread.h: Add back PTHREAD_MUTX_FAST_NP as an alias
874 for PTHREAD_MUTEX_ADAPTIVE_NP for source code compatibility.
876 * pthread.c (__pthread_set_own_extricate): Use THREAD_GETMEM.
877 (__pthread_wait_for_restart): Likewise.
879 * condvar.c (pthread_cond_wait): Also check whether thread is
880 cancelable before aborting loop.
881 (pthread_cond_timedwait): Likewise.
883 * signals.c (pthread_sighandler): Remove special code to restrore
885 (pthread_sighandler_t): Likewise.
887 2000-07-25 Mark Kettenis <kettenis@gnu.org>
889 * internals.h (__RES_PTHREAD_INTERNAL): Remove define.
890 * pthread.c: Include <resolv.h>.
891 (_res): Undefine. Add extern declaration.
893 2000-07-24 Ulrich Drepper <drepper@redhat.com>
895 * pthread.c (__pthread_initial_thread): Update initializer.
896 (__pthread_manager_thread): Likewise.
897 (pthread_initialize): Move setrlimit call to...
898 (__pthread_initialize_manager): ...here.
899 (__pthread_reset_main_thread): Reset also soft limit on stack size.
901 * condvar.c: Handle spurious wakeups. [PR libc/1749].
902 * internals.h (struct _pthread_descr_struct): Add p_condvar_avail.
904 2000-07-21 Ulrich Drepper <drepper@redhat.com>
906 * spinlock.h: If IMPLEMENT_TAS_WITH_CAS is defined use
907 __compare_and_swap to define testandset.
908 * sysdeps/powerpc/pt-machine.h: Add volatile to asms.
909 Define IMPLEMENT_TAS_WITH_CAS.
911 2000-07-20 Ulrich Drepper <drepper@redhat.com>
913 * Makefile: Pass -z nodelete to linker for libpthread.so
914 generation if it understand this option.
916 2000-07-18 Mark Kettenis <kettenis@gnu.org>
918 * manager.c (pthread_handle_create): Remove initialization of
919 new_thread->p_res._sock.
921 2000-07-19 Kaz Kylheku <kaz@ashi.footprints.net>
923 Bugfixes to the variant of the code for machines with no compare
926 * spinlock.c (__pthread_alt_lock, __pthread_alt_timedlock): Wait
927 node was not being properly enqueued, due to failing to update
928 the lock->__status field.
930 * spinlock.c (__pthread_alt_timedlock): The oldstatus variable was
931 being set inappropriately, causing the suspend function to be called
932 with a null self pointer and crash.
934 2000-07-18 Ulrich Drepper <drepper@redhat.com>
936 * spinlock.h (__pthread_alt_trylock): Fix code used if no
937 compare&swap is available.
939 * spinlock.h (__pthread_trylock): Use __compare_and_swap, not
942 * pthread.c (pthread_initialize): Don't use sysconf to determine
943 whether the machine has more than one processor.
945 * spinlock.c (__pthread_alt_timedlock): Add back one of the
946 removed thread_self calls.
948 2000-07-18 Kaz Kylheku <kaz@ashi.footprints.net>
950 * spinlock.c (__pthread_alt_lock, __pthread_alt_timedlock): Changed
951 __compare_and_swap to compare_and_swap in code which assumes
952 compare swap is available.
954 2000-07-18 Kaz Kylheku <kaz@ashi.footprints.net>
956 * spinlock.c (__pthread_alt_lock, __pthread_alt_timedlock): Fixed
957 bug whereby thr field of waitnode structure would not be correctly
958 set unless a null self pointer is passed to the functions.
959 Eliminated redundant calls to thread_self().
961 2000-07-18 Jakub Jelinek <jakub@redhat.com>
963 * pthread.c (__pthread_initialize_manager): Lock
964 __pthread_manager_thread.p_lock before calling clone.
966 2000-05-05 H.J. Lu <hjl@gnu.org>
968 * sysdeps/ia64/pt-machine.h (__compare_and_swap): Change it to
969 have acquire semantics.
970 (__compare_and_swap_with_release_semantics): New inline
972 (HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS): New macro.
974 2000-01-28 Hans Boehm <hboehm@exch.hpl.hp.com>
976 * manager.c: Fix the problem with signals at startup.
977 Change the way that thread stacks are allocated on IA64.
978 Clean up some of the guard page allocation stuff.
980 1999-12-19 H.J. Lu <hjl@gnu.org>
982 * internals.h (page_roundup): New.
983 * attr.c (__pthread_attr_setguardsize); Use page_roundup
985 * manager.c (pthread_allocate_stack): Make sure guardaddr is
986 page aligned with page_roundup if NEED_SEPARATE_REGISTER_STACK
989 1999-12-17 Hans Boehm <hboehm@exch.hpl.hp.com>
991 * manager.c (pthread_allocate_stack): Unmap the stack top
992 if failed to map the stack bottom.
994 (pthread_free): Fix the guard page.
996 * pthread.c (pthread_initialize): Set rlimit correctly for
997 NEED_SEPARATE_REGISTER_STACK.
999 1999-12-16 H.J. Lu <hjl@gnu.org>
1001 * pthread.c (__pthread_initialize_manager): Pass
1002 __pthread_manager_thread_bos instead of
1003 __pthread_manager_thread_tos to __clone2.
1005 1999-12-16 H.J. Lu <hjl@gnu.org>
1007 * manager.c (pthread_allocate_stack): Correct the calculation
1008 of "new_thread_bottom". Remove MAP_GROWSDOWN from mmap for
1011 1999-12-13 H.J. Lu <hjl@gnu.org>
1013 * sysdeps/ia64/pt-machine.h (__compare_and_swap): Added a stop
1014 bit after setting ar.ccv.
1016 1999-12-12 H.J. Lu <hjl@gnu.org>
1018 * manager.c (pthread_allocate_stack): Make the starting
1019 address of the stack bottom page aligned. FIXME: it may
1020 need changes in other places.
1021 (pthread_handle_create): Likewise.
1023 1999-12-11 Hans Boehm <hboehm@exch.hpl.hp.com>
1025 * manager.c (pthread_allocate_stack): Handle
1026 NEED_SEPARATE_REGISTER_STACK.
1027 (pthread_handle_create): Likewise.
1028 * pthread.c (__pthread_initialize_manager): Likewise.
1030 * sysdeps/ia64/pt-machine.h: Use r13 for thread pointer.
1032 1999-12-02 H.J. Lu <hjl@gnu.org>
1034 * sysdeps/ia64/pt-machine.h: New.
1036 2000-07-13 Ulrich Drepper <drepper@redhat.com>
1038 * wrapsyscall.c: Mark non-__ protected names as weak.
1041 2000-07-12 Bruno Haible <haible@clisp.cons.org>
1043 * Examples/ex8.c: Include <sys/wait.h>, not <wait.h>.
1045 2000-07-12 Ulrich Drepper <drepper@redhat.com>
1047 * spinlock.c: Fix code for TEST_FOR_COMPARE_AND_SWAP being defined.
1048 Add tests also to new alternative spinlock implementation.
1049 * spinlock.h: Likewise.
1050 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1052 2000-07-06 Ulrich Drepper <drepper@redhat.com>
1054 * Version: Export __sigaction.
1055 * signals.c: Define __sigaction alias. Use __libc_sigaction instead
1057 * pthread.c: Use __libc_sigaction instead of __sigaction.
1059 * condvar.c: Implement pthread_condattr_getpshared and
1060 pthread_condattr_setpshared.
1061 * mutex.c: Implement pthread_mutexattr_getpshared and
1062 pthread_mutexattr_setpshared.
1063 * Versions: Export new functions.
1064 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
1066 * rwlock.c (pthread_rwlockattr_init): Use PTHREAD_PROCESS_PRIVATE.
1067 (pthread_rwlockattr_setpshared): Fail if PTHREAD_PROCESS_PRIVATE
1070 2000-07-04 Greg McGary <greg@mcgary.org>
1072 * sysdeps/pthread/bits/libc-lock.h: Remove BP_SYM from
1073 pragmas. Include bp-sym.h only if _LIBC.
1075 2000-07-04 Ulrich Drepper <drepper@redhat.com>
1077 * spinlock.c (__pthread_unlock): Properly place write barrier.
1078 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1080 2000-07-03 Ulrich Drepper <drepper@redhat.com>
1082 * spinlock.c: Replace fast spinlocks by adaptive spinlocks which are
1083 faster on SMP systems. No more emulation of compare&swap for adaptive
1085 * spinlock.h: Likewise.
1086 * sysdeps/pthread/pthread.h: Shuffle PTHREAD_MUTEX_* values around.
1087 Replace fast with adaptive mutex.
1088 * mutex.c: Rewrite for replacement of fast by adaptive mutex.
1089 * condvar.c: Likewise.
1090 * pthread.c: Define and initialize __pthread_smp_kernel variable.
1091 * internals.h: Declare __pthread_smp_kernel.
1092 * sysdeps/pthread/bits/pthreadtypes.h: Update comment of
1093 _pthread_fastlock structure.
1094 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1096 * pthread.c: Remove initialization to zero from global variables.
1098 2000-06-29 Jakub Jelinek <jakub@redhat.com>
1100 * shlib-versions: Make sparc64 GLIBC_2.2+ only.
1102 2000-06-28 Greg McGary <greg@mcgary.org>
1104 * weaks.c: Wrap BP_SYM () around weak extern declarations of
1105 pthread functions that have pointers in their return+arg signatures.
1107 2000-06-27 Greg McGary <greg@mcgary.org>
1109 * sysdeps/pthread/bits/libc-lock.h: Wrap BP_SYM () around weak
1110 extern declarations of pthread functions that have pointers in
1111 their return+arg signatures.
1113 2000-06-26 Ulrich Drepper <drepper@redhat.com>
1115 * Makefile (tests): Add ex11. Add rules to build it.
1116 * Examples/ex11.c: New file.
1117 * rwlock.c: Fix complete braindamaged previous try to implement
1120 * spinlock.c: Pretty print.
1122 2000-06-25 Ulrich Drepper <drepper@redhat.com>
1124 * Makefile (tests): Add ex10. Add rules to build it.
1125 * Versions [GLIBC_2.2] (libpthread): Add pthread_mutex_timedlock,
1126 pthread_rwlock_timedrdlock, and pthread_rwlock_timedwrlock.
1127 * condvar.c (pthread_cond_wait): Allow mutex of kind
1128 PTHREAD_MUTEX_TIMED_NP.
1129 (pthread_cond_timedwait_relative): Likewise.
1130 * mutex.c (__pthread_mutex_init): Default is PTHREAD_MUTEX_TIMED_NP.
1131 (__pthread_mutex_trylock): Use __pthread_alt_trylock for
1132 PTHREAD_MUTEX_ERRORCHECK_NP. Handle PTHREAD_MUTEX_TIMED_NP.
1133 (__pthread_mutex_lock): Use __pthread_alt_lock for
1134 PTHREAD_MUTEX_ERRORCHECK_NP. Handle PTHREAD_MUTEX_TIMED_NP.
1135 (__pthread_mutex_timedlock): New function.
1136 (__pthread_mutex_unlock): Use __pthread_alt_unlock for
1137 PTHREAD_MUTEX_ERRORCHECK_NP. Handle PTHREAD_MUTEX_TIMED_NP.
1138 (__pthread_mutexattr_init): Use PTHREAD_MUTEX_TIMED_NP.
1139 (__pthread_mutexattr_settype): Allow PTHREAD_MUTEX_TIMED_NP.
1140 * spinlock.c: Implement alternate fastlocks.
1141 * spinlock.h: Add prototypes.
1142 * Examples/ex10.c: New file.
1143 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
1144 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1146 * rwlock.c (__pthread_rwlock_rdlock): Optimize loop a bit.
1147 (__pthread_rwlock_timedrdlock): New function.
1148 (__pthread_rwlock_timedwrlock): New function.
1149 Use laternate fastlock function everywhere.
1151 2000-06-21 Andreas Jaeger <aj@suse.de>
1153 * sysdeps/pthread/timer_routines.c: Include <string.h> for memset
1156 * join.c: Include <stdlib.h> for exit prototype.
1158 2000-06-20 Ulrich Drepper <drepper@redhat.com>
1160 * sysdeps/i386/useldt.h: Include <stdlib.h>.
1162 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_BARRIERS.
1163 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
1165 * Makefile (libpthread-routines): Add barrier.
1166 (tests): Add ex9. Add rule to build ex9.
1167 * Versions: Export barrier functions.
1168 * barrier.c: New file.
1169 * Examples/ex9.c: New file.
1170 * sysdeps/pthread/pthread.h: Add barrier data types and declarations.
1171 * sysdeps/pthread/bits/pthreadtypes.h: Likewise.
1172 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1174 2000-06-19 H.J. Lu <hjl@gnu.org>
1176 * spinlock.h (HAS_COMPARE_AND_SWAP): Defined if
1177 HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS is defined.
1178 (compare_and_swap_with_release_semantics): New. Default to
1179 compare_and_swap if HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS
1182 * spinlock.c (__pthread_unlock): Call
1183 compare_and_swap_with_release_semantics () instead of
1184 compare_and_swap ().
1186 2000-06-19 Ulrich Drepper <drepper@redhat.com>
1188 * sysdeps/pthread/timer_create.c: Use _set_errno instead of assigning
1190 * sysdeps/pthread/timer_delete.c: Likewise.
1191 * sysdeps/pthread/timer_getoverr.c: Likewise.
1192 * sysdeps/pthread/timer_gettime.c: Likewise.
1193 * sysdeps/pthread/timer_settime.c: Likewise.
1195 2000-06-13 Kaz Kylheku <kaz@ashi.footprints.net>
1197 Timer nodes are now reference counted, and can be marked
1198 as deleted. This allows for the safe release of the global mutex
1199 in the middle without losing the timer being operated on.
1201 * sysdeps/pthread/posix-timer.h (struct timer_node): The inuse
1202 member is now an enum with three values, so that an intermediate
1203 state can be represented (deleted but not free for reuse yet).
1204 New refcount member added.
1205 * sysdeps/pthread/timer_routines.c: Likewise.
1207 * sysdeps/pthread/posix-timer.h (timer_addref, timer_delref,
1208 timer_valid): New inline functions added.
1210 * sysdeps/pthread/timer_gettime.c (timer_gettime): Function
1211 restructured, recursive deadlock bug fixed.
1213 * sysdeps/pthread/timer_gettime.c (timer_gettime): Uses new
1214 timer_addref to ensure that timer won't be deleted while mutex is not
1215 held. Also uses timer_invalid to perform validation of timer handle.
1216 * sysdeps/pthread/timer_settime.c (timer_settime): Likewise.
1217 * sysdeps/pthread/timer_getoverr.c (timer_getoverrun): Likewise.
1219 2000-06-14 Ulrich Drepper <drepper@redhat.com>
1221 * shlib-versions: Add entry for SH.
1222 Patch by Kaz Kojima <kkojima@rr.iij4u.or.jp>.
1224 2000-06-13 Kaz Kylheku <kaz@ashi.footprints.net>
1226 A few optimizations. Got rid of unnecessary wakeups of timer threads,
1227 tightened up some critical regions and micro-optimized some list
1230 * sysdeps/pthread/timer_routines.c (__timer_thread_queue_timer):
1231 Returns int value now to indicate whether timer was queued at head.
1232 * sysdeps/pthread/posix-timer.h: Likewise.
1233 * sysdeps/pthread/timer_settime.c (timer_settime): Takes advantage of
1234 new return value from __timer_thread_queue_timer to avoid waking
1235 up timer thread unnecessarily.
1237 * sysdeps/pthread/posix-timer.h (timer_id2ptr): No longer checks
1238 inuse flag, because this requires mutex to be held. Callers updated
1239 to do the check when they have the mutex.
1240 * sysdeps/pthread/timer_getoverr.c: Add check for inuse here.
1242 * sysdeps/pthread/timer_settime.c (timer_settime): Tighter critical
1243 regions: avoids making system calls while holding timer mutex, and
1244 a few computations were moved outside of the mutex as well.
1245 * sysdeps/pthread/timer_gettime.c (timer_gettime): Likewise.
1247 * sysdeps/pthread/posix-timer.h (list_unlink_ip): Function name changed
1248 to list_unlink_ip, meaning idempotent. Pointer manipulation
1249 changed to get better better code out of gcc.
1250 * sysdeps/pthread/timer_routines.c (list_unlink): Non-idempotent
1251 version of list_unlink added here.
1252 * sysdeps/pthread/timer_delete.c: Use appropriate list unlink
1253 function in all places: idempotent one for timers, non-idempotent
1254 one for thread nodes.
1255 * sysdeps/pthread/timer_settime: Likewise.
1256 * sysdeps/pthread/timer_routines.c: Likewise.
1258 2000-06-13 Ulrich Drepper <drepper@redhat.com>
1260 * sysdeps/unix/sysv/linux/bits/posix_opt.h (_POSIX_TIMERS): Define.
1261 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
1263 * sysdeps/pthread/Makefile: Remove tests definition.
1265 2000-06-12 Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
1266 Yutaka Niibe <gniibe@chroot.org>
1268 * sysdeps/sh/pspinlock.c: New file.
1269 * sysdeps/sh/pt-machine.h: New file.
1271 2000-06-12 Ulrich Drepper <drepper@redhat.com>
1273 * Makefile (tests): Add joinrace.
1275 * Examples/ex6.c: Test return value of pthread_join.
1277 2000-06-11 Geoff Keating <geoffk@cygnus.com>
1279 * sysdeps/powerpc/pspinlock.c (__pthread_spin_lock): Implement.
1280 (__pthread_spin_trylock): Implement.
1281 (__pthread_spin_unlock): Implement.
1282 (__pthread_spin_init): Implement.
1283 (__pthread_spin_destroy): Implement.
1285 2000-06-10 Ulrich Drepper <drepper@redhat.com>
1287 * sysdeps/pthread/timer_routines.c (list_append): Little fix to
1288 really append the entry.
1290 2000-06-10 Andreas Jaeger <aj@suse.de>
1292 * lockfile.c (__fresetlockfiles): Remove unused variable fp.
1294 2000-06-10 Kaz Kylheku <kaz@ashi.footprints.net>
1296 * sysdeps/pthread/timer_create.c: Thread matching now done on
1297 clock type as well as thread attributes.
1298 There are individual global signal-delivering threads for
1299 different clock types.
1300 * sysdeps/pthread/posix-timer.h: Likewise.
1301 * sysdeps/pthread/timer_routines.c: Likewise.
1303 * sysdeps/pthread/timer_routines.c: Thread allocation and
1304 deallocation function now remembers to put thread on active
1305 list and remove from active list.
1306 Thus now the feature of binding multiple timers
1307 to a single thread actually works.
1309 2000-06-10 Ulrich Drepper <drepper@redhat.com>
1311 * pthread.c (__pthread_create_2_1): Optimize a bit.
1313 * internals.h (invalid_handle): Also test for p_terminated != 0.
1314 (nonexisting_handle): New function. Same as old invalid_handle.
1315 * join.c (pthread_join): Use nonexisting_handle instead of
1316 invalid_handle to test for acceptable thread handle.
1317 * manager.c (pthread_handle_free): Likewise.
1318 * joinrace.c: New file.
1319 Reported by Permaine Cheung <pcheung@cygnus.com>.
1321 2000-06-08 Ulrich Drepper <drepper@redhat.com>
1323 * sysdeps/pthread/timer_routines.c (__timer_thread_queue_timer):
1324 Correct handling of matching variable.
1326 * sysdeps/pthread/tst-timer.c (main): Rewrite initializers to
1329 * sysdeps/pthread/timer_routines.c (__timer_thread_queue_timer):
1330 Be prepared for empty timer list.
1332 * sysdeps/pthread/timer_create.c (timer_create): Correct names of
1333 CPUTIME clock ID. Add support for thread clocks.
1335 * sysdeps/pthread/posix-timer.h (timer_ptr2id): Operands in
1336 subtraction were switched.
1338 * sysdeps/pthread/timer_routines.c (init_module): Use
1339 THREAD_MAXNODES threads.
1341 * sysdeps/pthread/posix-timer.h (struct timer_node): Add creator_pid.
1342 * sysdeps/pthread/timer_create.c: Fill in creator_pid.
1343 * sysdeps/pthread/timer_routines.c (thread_expire_timer): Send signal
1344 with sigqueueinfo is this system call is available.
1346 * sysdeps/pthread/timer_create.c (timer_create): Allow
1347 CLOCK_CPUTIME if _POSIX_CPUTIME is defined.
1349 * sysdeps/pthread/Makefile: New file. Add rules to build timer
1351 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add TIMER_MAX.
1353 2000-06-04 Kaz Kylheku <kaz@ashi.footprints.net>
1355 * sysdeps/pthread/posix-timer.h: New file.
1356 * sysdeps/pthread/timer_create.c: New file.
1357 * sysdeps/pthread/timer_delete.c: New file.
1358 * sysdeps/pthread/timer_getoverr.c: New file.
1359 * sysdeps/pthread/timer_gettime.c: New file.
1360 * sysdeps/pthread/timer_routines.c: New file.
1361 * sysdeps/pthread/timer_settime.c: New file.
1362 * sysdeps/pthread/tst-timer.c: New file.
1364 2000-06-08 Ulrich Drepper <drepper@redhat.com>
1366 * sysdeps/unix/sysv/linux/bits/local_lim.h: Remove OPEN_MAX and
1367 LINK_MAX definitions if necessary.
1369 2000-06-04 Kaz Kylheku <kaz@ashi.footprints.net>
1371 Added missing fork time handling of global libio lock.
1373 * lockfile.c (__fresetlockfiles): Now also resets the list lock,
1374 not just the individual stream locks. Rewritten to use new
1375 iterator interface provided by libio rather than accessing
1378 * lockfile.c (__flockfilelist, _funlockfilelist): New functions
1379 which lock and unlock the stream list using the new interface
1381 * internals.h: Likewise.
1383 * ptfork.c (__fork): Now calls __flockfilelist before fork,
1384 and __funlockfilelist in the parent after the fork.
1385 Child still calls __fresetlockfiles as before.
1387 * linuxthreads.texi: Now explains what happens to streams at
1388 fork time. Also whole new section on forking and thread added.
1389 Definition of pthread_atfork moved out of Miscellaneous Functions
1390 to this new section.
1392 2000-06-04 Jakub Jelinek <jakub@redhat.com>
1394 * sysdeps/sparc/sparc32/sparcv9/pspinlock.c (__pthread_spin_lock):
1395 Add missing register.
1396 * sysdeps/sparc/sparc64/pspinlock.c (__pthread_spin_lock): Likewise.
1398 2000-06-02 Jakub Jelinek <jakub@redhat.com>
1400 * sysdeps/sparc/sparc32/pspinlock.c: Implement spinlocks.
1401 * sysdeps/sparc/sparc32/sparcv9/pspinlock.c: New.
1402 * sysdeps/sparc/sparc64/pspinlock.c: Implement spinlocks.
1404 2000-05-31 Andreas Jaeger <aj@suse.de>
1406 * sysdeps/mips/pspinlock.c: Implement spinlocks.
1408 2000-05-28 Ulrich Drepper <drepper@redhat.com>
1410 * spinlock.c (__pthread_lock): Remove ASSERT.
1412 * Makefile (tests): Add ex8.
1413 * Examples/ex8.c: New file.
1415 2000-05-12 Kaz Kylheku <kaz@ashi.footprints.net>
1417 Bugfix: The pthread_atfork mechanism now takes care of its
1418 own internal mutex at fork time.
1420 * ptfork.c (__fork): Revised so that the mutex is held across
1421 the fork operation and while the handlers are called, and so that
1422 the child resets the mutex.
1424 * linuxthreads.texi: Updated pthread_atfork documentation to make
1425 it clear that fork and pthread_atfork can't be reentered from
1426 atfork handlers, that pthread_atfork and fork are mutually atomic,
1427 and that the handlers are inherited by the child process.
1429 2000-05-24 Ulrich Drepper <drepper@redhat.com>
1431 * Makefile (libpthread-routines): Add pspinlock.
1432 * cancel.c: Rename __pthread_spin_unlock back to __pthread_unlock.
1433 Use struct _pthread_fastlock instead of pthread_spinlock_t.
1434 * condvar.c: Likewise.
1435 * internals.h: Likewise.
1437 * manager.c: Likewise.
1438 * mutex.c: Likewise.
1439 * pthread.c: Likewise.
1440 * rwlock.c: Likewise.
1441 * semaphore.c: Likewise.
1442 * signals.c: Likewise.
1443 * spinlock.h: Likewise.
1444 * spinlock.c: Likewise. Remove pthread_spin_lock functions.
1445 * sysdeps/alpha/pspinlock.c: New file.
1446 * sysdeps/arm/pspinlock.c: New file.
1447 * sysdeps/i386/pspinlock.c: New file.
1448 * sysdeps/m68k/pspinlock.c: New file.
1449 * sysdeps/mips/pspinlock.c: New file.
1450 * sysdeps/powerpc/pspinlock.c: New file.
1451 * sysdeps/sparc/sparc32/pspinlock.c: New file.
1452 * sysdeps/sparc/sparc64/pspinlock.c: New file.
1453 * sysdeps/pthread/bits/pthreadtypes.h: Remove pthread_spinlock_t
1454 back to _pthread_fastlock. Define new pthread_spinlock_t.
1456 2000-05-24 Andreas Jaeger <aj@suse.de>
1458 * sysdeps/i386/i686/pt-machine.h: Only use LDT on newer kernels.
1460 2000-05-21 Jakub Jelinek <jakub@redhat.com>
1462 * manager.c (pthread_handle_create): Initialize p_res._sock to -1.
1464 2000-05-13 Jakub Jelinek <jakub@redhat.com>
1466 * internals.h (__RES_PTHREAD_INTERNAL): Define.
1468 2000-05-06 Kaz Kylheku <kaz@ashi.footprints.net>
1470 * mutex.c (pthread_once): IN_PROGRESS state of pthread_once_t
1471 object state is represented with additional bits which distinguish
1472 whether that state was set up in the current process, or
1473 in an ancestor process. If that state was set in an ancestor,
1474 it means that a fork happened while thread was executing the init
1475 function. In that case, the state is reset to NEVER.
1476 * mutex.c (__pthread_once_fork_prepare): New function.
1477 (__pthread_once_fork_child): Likewise
1478 (__pthread_once_fork_parent): Likewise
1479 (__pthread_reset_pthread_once): Removed.
1480 * ptfork.c (__fork): Call new handlers in mutex.c.
1481 * internals.h: Declarations of new mutex.c functions added.
1482 Declaration of removed function deleted.
1483 * linuxthreads.texi: Updated documentation about pthread_once
1484 to clarify what happens under cancellation and forking.
1486 2000-05-06 Kaz Kylheku <kaz@ashi.footprints.net>
1488 * internals.h: New thread manager request type, REQ_KICK.
1489 * join.c (pthread_exit): main thread now calls exit() instead
1490 of _exit() in order to proper process cleanup.
1491 * manager.c (__pthread_manager): Do not terminate manager
1492 after unblocking main thread; wait for main thread's
1493 REQ_PROCESS_EXIT request instead.
1494 Also, added REQ_KICK case to handle new request; this just does
1496 * manager.c (pthread_exited): Do not terminate manager after
1497 unblocking main thread.
1498 * manager.c (__pthread_manager_sighandler): If the main thread
1499 is waiting for all other threads to die, send a REQ_KICK into
1500 the thread manager request pipe to get it to clean out the threads
1501 and unblock the main thread as soon as possible. This fixes
1502 the 2000 millisecond hang on shutdown bug.
1503 * Examples/ex7.c: New file, tests shutdown behavior when all threads
1504 including the main one call pthread_exit(), or implicitly do so.
1505 * Makefile (tests): Add ex7.
1507 2000-05-05 Andreas Jaeger <aj@suse.de>
1509 * sysdeps/unix/sysv/linux/i386/getcpuclockid.c
1510 (pthread_getcpuclockid): Correct test for ourselves.
1512 2000-05-05 Ulrich Drepper <drepper@redhat.com>
1514 * internals.h (struct _pthread_descr_struct): Reorganization.
1515 Allocate room for 16 pointers at head of the structure for future
1516 thread-local data handling. Move p_self member in this area.
1517 * manager.c (pthread_handle_create): Adjust use of p_self.
1518 * sysdeps/i386/useldt.h (THREAD_SELF): Likewise.
1519 * pthread.c (__pthread_initial_thread): Adjust initialization.
1520 (__pthread_manager_thread): Likewise.
1522 2000-04-29 Bruno Haible <haible@clisp.cons.org>
1524 * join.c (pthread_exit): Use THREAD_GETMEM_NC instead of THREAD_GETMEM
1525 for eventmask larger than 1 word.
1527 2000-04-27 Ulrich Drepper <drepper@redhat.com>
1529 * Versions [libpthread] (GLIBC_2.2): Add __pthread_initialize_minimal.
1530 * pthread.c (__pthread_initialize_minimal): New function. Perform
1531 minimal initialization.
1532 (pthread_initialize): Remove this code here.
1533 * sysdeps/i386/i686/pt-machine.h: Include "../useldt.h" again. We
1534 are working around the problem in glibc.
1536 2000-04-25 Ulrich Drepper <drepper@redhat.com>
1538 * sysdeps/i386/i686/pt-machine.h: Do not use "../useldt.h" for
1539 now. First gcc must be fixed (more concrete: libgcc).
1541 2000-04-24 Ulrich Drepper <drepper@redhat.com>
1543 * pthread.c: Remove special treatement for interrupt handlers on x86.
1544 * manager.c (pthread_free): Use FREE_THREAD not FREE_THREAD_SELF.
1545 * sysdeps/i386/useldt.h: Use "q" constraint instead of "r" where
1547 * sysdeps/i386/i686/pt-machine.h: Include "../useldt.h".
1549 2000-04-24 Mark Kettenis <kettenis@gnu.org>
1551 * join.c (pthread_exit): Set p_terminated after reporting the
1552 termination event instead of before.
1554 2000-04-20 Jakub Jelinek <jakub@redhat.com>
1556 * sysdeps/pthread/bits/libc-lock.h: Only declare __pthread_rwlock_*
1559 2000-04-18 Andreas Jaeger <aj@suse.de>
1561 * Versions: Use ld instead of ld.so.
1563 2000-04-18 Jakub Jelinek <jakub@redhat.com>
1565 * sysdeps/unix/sysv/linux/sparc/bits/sigcontext.h (struct sigcontext):
1566 Remove the typedef keyword.
1568 2000-04-18 Jakub Jelinek <jakub@redhat.com>
1570 * sysdeps/sparc/sparc64/pt-machine.h (MEMORY_BARRIER): Use membar,
1572 (READ_MEMORY_BARRIER): Define.
1573 * spinlock.c (__pthread_spin_unlock): Use READ_MEMORY_BARRIER, not
1575 * internals.h (READ_MEMORY_BARRIER): Define if not defined in sysdep
1578 2000-04-17 Ulrich Drepper <drepper@redhat.com>
1580 * sysdeps/unix/sysv/linux/i386/getcpuclockid.c
1581 (pthread_getcpuclockid): Don't compare thread_id with thread_self,
1582 use thread_handle().
1584 2000-04-16 Ulrich Drepper <drepper@redhat.com>
1586 * condvar.c (pthread_cond_timedwait_relative): Don't test for owner
1587 if fast mutex is used. Don't initialize `already_canceled' twice.
1588 Correctly test for return value of timedsuspend.
1590 * pthread.c: Correct long-time braino. We never set SA_SIGINFO and
1591 therefore don't need the _rt versions of the signal handlers.
1593 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1595 * pthread.c (pthread_yield): New function.
1596 * sysdeps/pthread/pthread.h (pthread_yield): Add prototype.
1597 * Versions [libpthread] (GLIBC_2.2): Add pthread_yield.
1598 * internals.h: Declare __pthread_yield.
1600 * pthread.c (pthread_initialize): Avoid a bit more code if
1601 realtime signals are known to exist.
1603 * pthread.c: Is __ASSUME_REALTIME_SIGNALS then avoid generating code
1604 to dynamically detect RT signals and avoid generating compatibility
1605 functions with old kernel.
1606 * restart.h (restart) [__ASSUME_REALTIME_SIGNALS]: Use
1607 __pthread_restart_new directly.
1608 (suspend) [__ASSUME_REALTIME_SIGNALS]: Use
1609 __pthread_wait_for_restart_signal directly.
1610 (timedsuspend) [__ASSUME_REALTIME_SIGNALS]: Use
1611 __pthread_timedsuspend_new directly.
1613 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1615 * condvar.c: Remove all the special code to handle cond_timedwait.
1616 Use timedsuspend instead.
1617 * internals.h: Declare __pthread_timedsuspend_old,
1618 __pthread_timedsuspend_new, and __pthread_timedsuspend.
1619 Remove declaration of __pthread_init_condvar.
1620 * pthread.c: Define __pthread_timedsuspend variable.
1621 (__pthread_timedsuspend_old): New function. Timed suspension
1622 implementation for old Linux kernels.
1623 (__pthread_timedsuspend_new): New function. Timed suspension
1624 implementation for new Linux kernels.
1625 * restart.h (timedsuspend): New function. Call appropriate
1626 suspension function through __pthread_timedsuspend.
1627 * semaphore.c (sem_timedwait): Use timedsuspend, don't duplicate
1629 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1631 * internals.h (WRITE_MEMORY_BARRIER): Define as MEMORY_BARRIER if
1633 * spinlock.c: Use WRITE_MEMORY_BARRIER instead of MEMORY_BARRIER
1635 * sysdeps/alpha/pt-machine.h: Define WRITE_MEMORY_BARRIER.
1636 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
1638 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _POSIX_SPAWN.
1639 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
1641 2000-04-14 Andreas Jaeger <aj@suse.de>
1643 * weaks.c: Fix typo.
1645 * shlib-versions (mips.*-.*-linux.*): Support only GLIBC 2.0 and
1646 2.2 for linuxthreads.
1648 2000-04-13 Ulrich Drepper <drepper@redhat.com>
1650 * sysdeps/unix/sysv/linux/i386/getcpuclockid.c
1651 (pthread_getcpuclockid): Fix typo.
1653 2000-04-12 Ulrich Drepper <drepper@redhat.com>
1655 * Makefile (libpthread-routines): Add getcpuclockid.
1656 * Versions [libpthread] (GLIBC_2.2): Add pthread_getcpuclockid.
1657 * sysdeps/pthread/getcpuclockid.c: New file.
1658 * sysdeps/unix/sysv/linux/i386/getcpuclockid.c: New file.
1659 * sysdeps/pthread/pthread.h: Add prototype for pthread_getcpuclockid.
1661 * sysdeps/unix/sysv/linux/bits/posix_opt.h (_POSIX_SPIN_LOCKS):
1663 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: Likewise.
1665 * sysdeps/pthread/pthread.h: Add prototypes for pthread_spin_init,
1666 pthread_spin_destroy, pthread_spin_lock, pthread_spin_trylock,
1667 and pthread_spin_unlock.
1668 * sysdeps/pthread/bits/pthreadtypes.h: Change struct _pthread_fastlock
1669 into pthread_spinlock_t. Change all uses.
1670 * spinlock.c: Implement pthread_spin_lock.
1671 Rename __pthread_unlock to __pthread_spin_unlock and define weak
1672 alias for real name.
1673 Define pthread_spin_trylock, pthread_spin_init, and
1674 pthread_spin_destroy.
1675 Change all uses of _pthread_fastlock to pthread_spinlock_t.
1676 * spinlock.h: Rename __pthread_unlock to __pthread_spin_unlock.
1677 Change all uses of _pthread_fastlock to pthread_spinlock_t.
1678 * Versions [libpthread] (GLIBC_2.2): Add pthread_spin_init,
1679 pthread_spin_destroy, pthread_spin_lock, pthread_spin_trylock,
1680 and pthread_spin_unlock.
1681 * cancel.c: Use __pthread_spin_unlock instead of __pthread_unlock.
1682 Change all uses of _pthread_fastlock to pthread_spinlock_t.
1683 * condvar.c: Likewise.
1684 * internals.h: Likewise.
1686 * manager.c: Likewise.
1687 * mutex.c: Likewise.
1688 * pthread.c: Likewise.
1689 * rwlock.c: Likewise.
1690 * semaphore.c: Likewise.
1691 * signals.c: Likewise.
1693 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add various new POSIX
1695 * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: New file.
1697 2000-04-11 Ulrich Drepper <drepper@redhat.com>
1699 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add
1700 _POSIX_SHARED_MEMORY_OBJECTS.
1702 2000-04-11 Andreas Jaeger <aj@suse.de>
1704 * sysdeps/mips/pt-machine.h (MEMORY_BARRIER): Define.
1705 (__compare_and_swap): Mark as modifying memory.
1707 2000-04-11 Geoff Keating <geoffk@cygnus.com>
1709 * sysdeps/powerpc/pt-machine.h (MEMORY_BARRIER): Don't be
1711 (__compare_and_swap): Replace other 'sync' with MEMORY_BARRIER.
1712 Don't have the 'asm' __volatile__.
1714 2000-04-11 Ulrich Drepper <drepper@redhat.com>
1716 * internals.h: Define MEMORY_BARRIER as empty if not defined already.
1717 * spinlock.c (__pthread_lock): Add memory barriers.
1718 (__pthread_unlock): Likewise.
1719 * sysdeps/alpha/pt-machine.h (MEMORY_BARRIER): Define using mb
1721 (RELEASE): Not needed anymore.
1722 (__compare_and_swap): Mark asm as modifying memory.
1723 * sysdeps/powerpc/pt-machine.h (sync): Remove. Replace with definition
1725 (__compare_and_swap): Use MEMORY_BARRIER instead of sync.
1726 * sysdeps/sparc/sparc32/pt-machine.h (RELEASE): Not needed anymore.
1727 (MEMORY_BARRIER): Define using stbar.
1728 * sysdeps/sparc/sparc64/pt-machine.h (MEMORY_BARRIER): Define using
1730 (__compare_and_swap): Use MEMORY_BARRIER to ensure ordering.
1731 Patch by Xavier Leroy <Xavier.Leroy@inria.fr> based on comments by
1732 Mike Burrows <m3b@pa.dec.com>.
1734 2000-04-09 Ulrich Drepper <drepper@redhat.com>
1736 * signals.c (sigaction): Fix return value for the case SIG is one
1737 of the signals the implementation uses.
1738 Patch by Xavier.Leroy@inria.fr.
1740 2000-04-01 Andreas Jaeger <aj@suse.de>
1742 * attr.c: Use shlib-compat macros.
1743 * oldsemaphore.c: Likewise.
1744 * pthread.c: Likewise.
1745 * weaks.c: Likewise.
1747 2000-03-26 Ulrich Drepper <drepper@redhat.com>
1749 * semaphore.c (sem_timedwait): New function.
1750 Patch by Carl Mailloux <carlm@oricom.ca>.
1751 * semaphore.h: Declare sem_timedwait.
1752 * Versions [libpthread] (GLIBC_2.2): Add sem_timedwait.
1754 2000-03-26 Roland McGrath <roland@baalperazim.frob.com>
1756 * sysdeps/pthread/Makefile: File removed.
1758 2000-03-23 Ulrich Drepper <drepper@redhat.com>
1760 * mutex.c (__pthread_reset_pthread_once): Reset once_masterlock.
1761 * internals.h (__pthread_reset_pthread_once): Add prototype.
1762 * ptfork.c (__fork): Call __pthread_reset_pthread_once.
1764 * manager.c (pthread_handle_create): Store ID of new thread before
1767 2000-03-21 Ulrich Drepper <drepper@redhat.com>
1769 * attr.c: Use new macros from shlib-compat.h to define versions.
1770 * oldsemaphore.c: Likewise.
1771 * semaphore.c: Likewise.
1772 * weaks.c: Likewise.
1774 * pthread.c: Update for new SHLIB_COMPAT definition.
1776 * manager.c (__pthread_manager): Unmask debug signal.
1778 * pthread.c (pthread_initialize): Test for address of __dso_handle
1779 being NULL, not value. Use __on_exit, not on_exit.
1780 Patch by Andreas Jaeger <aj@suse.de>.
1782 * pthread.c: Use new macros from shlib-compat.h to define versions.
1784 2000-03-19 Ulrich Drepper <drepper@redhat.com>
1786 * pthread.c (pthread_initialize): Instead of on_exit use
1787 __cxa_atexit if __dso_label is available to allow unloading the
1788 libpthread shared library.
1790 2000-03-16 Ulrich Drepper <drepper@redhat.com>
1792 * condvar.c: Make tests for ownership of mutex less strict.
1794 2000-03-14 Ulrich Drepper <drepper@redhat.com>
1796 * condvar.c (pthread_cond_wait): Check whether mutex is owned by
1797 current thread and return error if not.
1798 (pthread_cond_timedwait_relative_old): Likewise.
1799 (pthread_cond_timedwait_relative_new): Likewise.
1801 * mutex.c (__pthread_once): Handle cancelled init function correctly.
1802 (pthread_once_cancelhandler): New function.
1803 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1805 2000-03-14 Andreas Jaeger <aj@suse.de>
1807 * pthread.c (pthread_handle_sigcancel_rt): GS has been renamed to
1809 (pthread_handle_sigrestart_rt): Likewise.
1810 * signals.c (pthread_sighandler_rt): Likewise.
1812 2000-03-02 Andreas Jaeger <aj@suse.de>
1814 * sysdeps/pthread/bits/libc-lock.h: Fix typo.
1815 Reported by Sean Chen <sean.chen@turbolinux.com>.
1817 2000-02-28 Andreas Jaeger <aj@suse.de>
1819 * rwlock.c: Fix typo.
1821 2000-02-27 Ulrich Drepper <drepper@redhat.com>
1823 * rwlock.c: Define __* variants of the functions and make old names
1825 * Versions [GLIBC_2.2]: Export the __pthread_rwlock_* functions.
1826 * sysdeps/pthread/bits/libc-lock.h: Define __libc_rwlock_* macros.
1828 2000-02-25 Andreas Jaeger <aj@suse.de>
1830 * Versions: Export pread, __pread64, pread64, pwrite, __pwrite64,
1831 pwrite64, lseek64, open64, and __open64 with version 2.2.
1833 2000-02-22 Ulrich Drepper <drepper@redhat.com>
1835 * semaphore.h (SEM_FAILED): Use 0 not NULL.
1837 2000-02-14 Ulrich Drepper <drepper@redhat.com>
1839 * condvar.c (pthread_cond_timedwait_relative_old): Tight loop with
1840 nanosleep does not work either. Get absolute time inside the
1842 (pthread_cond_timedwait_relative_new): Likewise.
1843 Patch by Kaz Kylheku <kaz@ashi.footprints.net>.
1845 2000-02-13 Andreas Jaeger <aj@suse.de>
1847 * condvar.c (pthread_cond_timedwait_relative_new): Fix last patch.
1848 (pthread_cond_timedwait_relative_old): Likewise.
1850 2000-02-13 Ulrich Drepper <drepper@redhat.com>
1852 * condvar.c (pthread_cond_timedwait_relative_old): Undo last patch
1853 but keep the code around. A bug in the kernel prevent us from
1855 (pthread_cond_timedwait_relative_new): Likewise.
1856 (PR libc/1597 and libc/1598).
1858 2000-02-01 Kaz Kylheku <kaz@ashi.footprints.net>
1860 * condvar.c (pthread_cond_timedwait_relative_old): Do tight
1861 loop around nanosleep calls instead of around most of the function
1862 (pthread_cond_timedwait_relative_new): Likewise.
1863 body. Got rid of backwards goto and one local.
1865 2000-01-31 Ulrich Drepper <drepper@redhat.com>
1867 * condvar.c (pthread_cond_timedwait_relative_old): Recompute time
1868 before every nanosleep call to account for time spent in the rest
1870 (pthread_cond_timedwait_relative_new): Likewise.
1871 Patch by khendricks@ivey.uwo.ca (PR libc/1564).
1873 2000-01-29 Ulrich Drepper <drepper@redhat.com>
1875 * condvar.c (pthread_cond_timedwait_relative_old): Get remaining time
1876 from nanosleep call so that in case we restart we only wait for the
1878 (pthread_cond_timedwait_relative_new): Likewise.
1879 Patch by khendricks@ivey.uwo.ca (PR libc/1561).
1881 2000-01-18 Ulrich Drepper <drepper@cygnus.com>
1883 * manager.c (pthread_allocate_stack): Compute guard page address
1884 correctly. Patch by HJ Lu.
1886 * sysdeps/pthread/pthread.h: Define
1887 PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP.
1889 2000-01-16 Ulrich Drepper <drepper@cygnus.com>
1891 * rwlock.c (pthread_rwlock_unlock): Correct one more problem with
1892 preference handling.
1893 (pthread_rwlockattr_setkind_np): Allow
1894 PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP.
1895 Patches by Kaz Kylheku <kaz@ashi.footprints.net>.
1897 2000-01-12 Ulrich Drepper <drepper@cygnus.com>
1899 * internals.h (pthread_readlock_info): New structure.
1900 (_pthread_descr_struct): Add p_readlock_list, p_readlock_free, and
1901 p_untracked_readlock_count.
1902 * pthread.c (__pthread_initial_thread, pthread_manager_thread):
1903 Add initializers for new fields.
1904 * manager.c (pthread_free): Free read/write lock lists.
1905 * queue.h (queue_is_empty): New function.
1906 * rwlock.c: Implement requirements about when readers should get
1908 * sysdeps/pthread/pthread.h
1909 (PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP): New definition.
1910 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_rwlock_t):
1911 Define this name as well.
1912 Patches by Kaz Kylheku <kaz@ashi.footprints.net>.
1914 2000-01-05 Ulrich Drepper <drepper@cygnus.com>
1916 * pthread.c (__pthread_initial_thread, pthread_manager_thread):
1917 Adjust initializers for struct _pthread_descr_struct change.
1918 * internals.h (struct _pthread_descr_struct): Move new elements to
1921 2000-01-03 Kaz Kylheku <kaz@ashi.footprints.net>
1923 Redesigned how cancellation unblocks a thread from internal
1924 cancellation points (sem_wait, pthread_join,
1925 pthread_cond_{wait,timedwait}).
1926 Cancellation won't eat a signal in any of these functions
1927 (*required* by POSIX and Single Unix Spec!).
1928 * condvar.c: Spontaneous wakeup on pthread_cond_timedwait won't eat a
1929 simultaneous condition variable signal (not required by POSIX
1930 or Single Unix Spec, but nice).
1931 * spinlock.c: __pthread_lock queues back any received restarts
1932 that don't belong to it instead of assuming ownership of lock
1933 upon any restart; fastlock can no longer be acquired by two threads
1935 * restart.h: Restarts queue even on kernels that don't have
1936 queued real time signals (2.0, early 2.1), thanks to atomic counter,
1937 avoiding a rare race condition in pthread_cond_timedwait.
1939 1999-12-31 Andreas Jaeger <aj@suse.de>
1941 * internals.h: Remove duplicate prototype declarations.
1943 * weaks.c: Remove __THROW from prototypes since the file is not
1944 compiled by a C++ compiler.
1945 * internals.h: Likewise.
1947 1999-12-30 Andreas Jaeger <aj@suse.de>
1949 * sysdeps/pthread/pthread.h: Move internal functions to...
1950 * sysdeps/pthread/bits/libc-lock.h: ...here.
1952 1999-12-29 Andreas Jaeger <aj@suse.de>
1954 * sysdeps/pthread/pthread.h: Fix typos, reformat comments.
1956 1999-12-28 Ulrich Drepper <drepper@cygnus.com>
1958 * sysdeps/alpha/pt-machine.h: Move stack_pointer definition to the
1961 * manager.c (__pthread_start): Add one more cast to prevent
1962 warning on 64bit machines.
1964 1999-12-21 Ulrich Drepper <drepper@cygnus.com>
1966 * manager.c (pthread_handle_create): Set p_pid of new thread
1967 before calling the callback function to report a new thread.
1969 1999-12-20 Andreas Jaeger <aj@suse.de>
1971 * pthread.c (pthread_initialize): Move getrlimit call after
1974 1999-12-18 Ulrich Drepper <drepper@cygnus.com>
1976 * Versions: Export pread, __pread64, pread64, pwrite, __pwrite64,
1977 pwrite64, lseek64, open64, and __open64.
1978 * wrapsyscall.c: Define pread, __pread64, pread64, pwrite, __pwrite64,
1979 pwrite64, lseek64, open64, and __open64.
1981 * manager.c (pthread_allocate_stack): Correct computation of
1982 new_thread_bottom. Correct handling of stack size and when the
1983 rlimit method to guard for stack growth is used.
1984 * pthread.c (pthread_initialize): Stack limit must be STACK_SIZE
1985 minus one pagesize (not two).
1987 1999-12-03 Andreas Jaeger <aj@suse.de>
1989 * Versions: Add __res_state with version GLIBC_2.2.
1991 * errno.c (__res_state): New function to return thread specific
1994 * pthread.c (pthread_initialize): Initialize p_resp.
1995 (__pthread_reset_main_thread): Also set p_resp.
1997 * manager.c (pthread_handle_create): Initialize p_resp.
1999 * internals.h: Add thread specific resolver state.
2000 Based on patches by Adam D. Bradley <artdodge@cs.bu.edu>.
2002 1999-12-01 Ulrich Drepper <drepper@cygnus.com>
2004 * sysdeps/i386/pt-machine.h: Move stack_pointer definition to the
2006 * sysdeps/i386/i686/pt-machine.h: Likewise.
2007 Patches by Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>.
2009 1999-11-23 Ulrich Drepper <drepper@cygnus.com>
2011 * manager.c (pthread_start_thread_event): Initialize p_pid already
2014 1999-11-22 Ulrich Drepper <drepper@cygnus.com>
2016 * internals.h: Add prototype for __pthread_manager_event.
2017 * manager.c (__pthread_manager_event): New function.
2018 (pthread_start_thread_event): Correct computation of self.
2019 Use INIT_THREAD_SELF.
2020 * pthread.c (__pthread_manager_thread): Initialize p_lock.
2021 (__pthread_initialize_manager): Respect event flags also for creation
2022 of the manager thread.
2024 1999-11-08 Ulrich Drepper <drepper@cygnus.com>
2026 * pthread.c (__pthread_initialize_manager): Initialize
2027 __pthread_manager_thread.p_tid.
2029 1999-11-02 Ulrich Drepper <drepper@cygnus.com>
2031 * internals.h: Declare __pthread_last_event.
2032 * manager.c: Define __pthread_last_event.
2033 (pthread_handle_create): Set __pthread_last_event.
2034 (pthread_exited): Likewise.
2035 * join.c (pthread_exit): Likewise.
2037 * Makefile (libpthread-routines): Add events.
2038 * events.c: New file.
2039 * internals.h: Protect against multiple inclusion.
2040 Include thread_dbP.h header.
2041 (struct _pthread_descr_struct): Add new fields p_report_events and
2043 Declare event reporting functions.
2044 * join.c (pthread_exit): Signal event if this is wanted.
2045 * manager.c (__pthread_threads_events): New variable.
2046 (pthread_handle_create): Take new parameters with event information.
2047 Signal TD_CREATE event if wanted.
2048 (__pthread_manager): Adjust pthread_handle_create call.
2049 (pthread_start_thread_event): New function. Block until manager is
2050 finished and then call pthread_start_thread.
2051 (pthread_exited): Signal TD_REAP event if wanted.
2053 1999-10-26 Ulrich Drepper <drepper@cygnus.com>
2055 * restart.h (suspend_with_cancellation): Rewrite as a macro.
2057 * condvar.c (pthread_cond_timedwait_relative): Don't mark as inline.
2059 1999-10-25 Andreas Jaeger <aj@suse.de>
2061 * internals.h: Remove K&R compatibility.
2062 * no-tsd.c: Likewise.
2063 * semaphore.h: Likewise.
2064 * signals.c: Likewise.
2065 * sysdeps/pthread/bits/libc-tsd.h: Likewise.
2066 * sysdeps/unix/sysv/linux/bits/sigthread.h: Likewise.
2067 * weaks.c: Likewise.
2069 1999-10-21 Xavier Leroy <Xavier.Leroy@inria.fr>
2071 * pthread.c: For i386, wrap pthread_handle_sigrestart and
2072 pthread_handle_sigcancel with functions that restore %gs from the
2073 signal context. For each signal handling function, two wrappers
2074 are required, one for a non-RT signal and one for a RT signal.
2075 * signal.c: For i386, add code to restore %gs from the signal
2076 context in pthread_sighandler and pthread_sighandler_rt.
2078 1999-10-17 Ulrich Drepper <drepper@cygnus.com>
2080 * internals.h (PTHREAD_START_ARGS_INITIALIZER): Add cast.
2082 1999-10-14 Ulrich Drepper <drepper@cygnus.com>
2084 * pthread.c (__pthread_initial_thread): Pass argument to
2085 PTHREAD_START_ARGS_INITIALIZER.
2086 (__pthread_manager_thread): Likewise.
2088 * internals.h (PTHREAD_START_ARGS_INITIALIZER): Add parameter to
2089 initialize function.
2091 * manager.c (pthread_handle_create): Remove p_startfct initialization.
2093 * internals.h (_pthread_descr_struct): We don't need p_startfct field.
2095 1999-10-12 Ulrich Drepper <drepper@cygnus.com>
2097 * internals.h: Correct return types for __libc_read and __libc_write.
2099 1999-10-09 Andreas Jaeger <aj@suse.de>
2101 * internals.h: Add __new_sem_post to get prototype in
2102 manager.c; include semaphore.h for needed types.
2104 1999-10-08 Ulrich Drepper <drepper@cygnus.com>
2106 * manager.c (__pthread_manager) [REQ_POST]: Use __new_sem_post
2107 directly instead of calling sem_post which should not be necessary
2108 but is faster and might help in some case to work around problems.
2109 Patch by khendricks@ivey.uwo.ca [libc/1382].
2111 1999-10-08 Andreas Schwab <schwab@suse.de>
2113 * sysdeps/pthread/Subdirs: New file.
2116 1999-10-07 Ulrich Drepper <drepper@cygnus.com>
2118 * Implies: New file.
2119 * internals.h (struct _pthread_descr_struct): Add p_startfct.
2120 * manager.c (pthread_handle_create): Initialize p_startfct.
2121 * pthread.c: Define __linuxthread_pthread_sizeof_descr variable.
2123 1999-09-25 Ulrich Drepper <drepper@cygnus.com>
2125 * manager.c (__linuxthreads_pthread_threads_max): New variable.
2126 * specific.c (__linuxthreads_pthread_keys_max): New variable.
2127 (__linuxthreads_pthread_key_2ndlevel_size): New variable.
2129 * condvar.c (pthread_cond_timedwait_relative): Never return with
2130 EINTR. Patch by Andreas Schwab.
2132 1999-09-19 Ulrich Drepper <drepper@cygnus.com>
2134 * signals.c (sigaction): Correct last patch. Don't select
2135 pthread_sighandler_rt based on the signal number but instead of
2136 the SA_SIGINFO flag.
2138 1999-09-23 Ulrich Drepper <drepper@cygnus.com>
2140 * specific.c: Move definitions of struct pthread_key_struct and
2141 destr_function to ...
2142 * internals.h: ...here.
2144 1999-09-18 Ulrich Drepper <drepper@cygnus.com>
2146 * pthread.c (pthread_handle_sigrestart_rt): New function. Use
2147 this instead of pthread_handle_sigrestart if the signal is an RT
2150 * signals.c: Handle passing through of sighandler arguments also
2151 for real-time signals.
2153 1999-09-03 Andreas Schwab <schwab@suse.de>
2155 * ptfork.c (__fork): Renamed from fork and use __libc_fork. Add
2157 (__vfork): New function, alias vfork.
2158 * Versions: Export __fork, vfork, and __vfork in libpthread.
2160 1999-08-23 Andreas Schwab <schwab@suse.de>
2162 * signals.c (pthread_sighandler): Add SIGCONTEXT_EXTRA_ARGS to
2163 call to signal handler.
2165 1999-08-20 Ulrich Drepper <drepper@cygnus.com>
2167 * pthread.c (__pthread_reset_main_thread): Undo last change.
2168 (__pthread_kill_other_threads_np): Reset signal handlers for the
2169 signals we used in the thread implementation here.
2171 1999-08-19 Ulrich Drepper <drepper@cygnus.com>
2173 * pthread.c (__pthread_reset_main_thread): Reset signal handlers
2174 for the signals we used in the thread implementation [PR libc/1234].
2176 * Versions: Export __pthread_kill_other_threads_np from libpthread
2179 * signals.c: Pass sigcontext through wrapper to the user function.
2181 1999-08-01 Ulrich Drepper <drepper@cygnus.com>
2183 * Versions [ld.so] (GLIBC_2.0): Export __libc_internal_tsd_get and
2184 __libc_internal_tsd_set.
2186 1999-07-29 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2188 * manager.c: Remove inclusion of <linux/tasks.h> since it's not
2191 1999-07-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2193 * internals.h: Align _pthread_descr_struct to 32 bytes.
2194 Reported by Tim Hockin <thockin@cobaltnet.com>, close PR
2197 1999-07-09 Ulrich Drepper <drepper@cygnus.com>
2199 * oldsemaphore.c (sem_compare_and_swap): Fix use of compare and
2202 1999-07-09 Cristian Gafton <gafton@redhat.com>
2204 * Makefile (libpthread-routines): Add oldsemaphore routine.
2205 * Versions: Add sem_destroy, sem_getvalue, sem_init, sem_post,
2206 sem_trywait, and sem_wait to GLIBC_2.1.
2207 * oldsemaphore.c: New file.
2208 * semaphore.c: Add default_symbol_versions for the changed functions.
2209 (__new_sem_init): Rename from sem_init.
2210 (__new_sem_post): Rename from sem_post.
2211 (__new_sem_wait): Rename from sem_wait.
2212 (__new_sem_trywait): Rename from sem_trywait.
2213 (__new_sem_getvalue): Rename from sem_getvalue.
2214 (__new_sem_destroy): Rename from sem_destroy.
2216 1999-06-23 Robey Pointer <robey@netscape.com>
2218 * internals.h: Added p_nextlock entry to separate queueing for a
2219 lock from queueing for a CV (sometimes a thread queues on a lock
2220 to serialize removing itself from a CV queue).
2221 * pthread.c: Added p_nextlock to initializers.
2222 * spinlock.c: Changed to use p_nextlock instead of p_nextwaiting.
2224 1999-07-09 Ulrich Drepper <drepper@cygnus.com>
2226 * manager.c (pthread_handle_create): Free mmap region after stack
2227 if clone failed. Patch by Kaz Kylheku <kaz@ashi.FootPrints.net>.
2229 1999-05-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2231 * man/pthread_cond_init.man: Correct example.
2232 Reported by Tomas Berndtsson <tomas@nocrew.org>.
2234 * linuxthreads.texi (Condition Variables): Likewise.
2236 1999-05-18 Jakub Jelinek <jj@ultra.linux.cz>
2238 * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): Use
2239 casx not cas, also successful casx returns the old value in rd
2240 and not the new value.
2242 1999-05-16 Xavier Leroy <Xavier.Leroy@inria.fr>
2244 * manager.c: If pthread_create() is given a NULL attribute
2245 and the thread manager runs with a realtime policy, set the
2246 scheduling policy of the newly created thread back to SCHED_OTHER.
2247 * manager.c: If the PTHREAD_INHERIT_SCHED attribute is given,
2248 initialize the schedpolicy field of new_thread->p_start_args
2249 to that of the calling thread.
2251 1999-04-29 Ulrich Drepper <drepper@cygnus.com>
2253 * sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): cas
2254 instruction does not allow memory element to use offset.
2256 1999-04-28 Ulrich Drepper <drepper@cygnus.com>
2258 * manager.c (pthread_allocate_stack): Optimize initialization of new
2261 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_define_initialized):
2262 Don't use initializer since it is all zeroes.
2263 (__libc_once_define): Likewise.
2265 1999-04-16 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2267 * sysdeps/arm/Implies: Removed since cmpxchg/no-cmpxchg
2268 doesn't exist anymore.
2269 * sysdeps/i386/Implies: Likewise.
2270 * sysdeps/m68k/Implies: Likewise.
2271 * sysdeps/mips/Implies: Likewise.
2272 * sysdeps/powerpc/Implies: Likewise.
2273 * sysdeps/sparc/sparc32/Implies: Likewise.
2274 * sysdeps/sparc/sparc64/Implies: Likewise.
2276 1999-04-15 Ulrich Drepper <drepper@cygnus.com>
2278 * sysdeps/alpha/bits/semaphore.h: Removed.
2279 * sysdeps/powerpc/bits/semaphore.h: Removed.
2280 * sysdeps/pthread/cmpxchg/bits/semaphore.h: Removed.
2281 * sysdeps/pthread/no-cmpxchg/bits/semaphore.h: Removed.
2282 * Makefile (headers): Remove bits/semaphore.h.
2284 * semaphore.h: Define _pthread_descr if necessary.
2285 Don't include limits.h. Define SEM_VALUE_MAX directly.
2287 (sem_t): Protect element names with leading __.
2288 Add declarations for sem_close, sem_open, and sem_unlink.
2289 * semaphore.c: Adjust all functions for new element names.
2290 Define sem_close, sem_open, and sem_unlink.
2291 * Versions (libthread): Add sem_close, sem_open, and sem_unlink for
2293 * sysdeps/pthread/bits/pthreadtypes.h: Define _pthread_descr only if
2296 1999-03-16 H.J. Lu <hjl@gnu.org>
2298 * specific.c (pthread_key_delete): Check th->p_terminated to see
2299 if the thread is running.
2301 * Versions (__libc_internal_tsd_get, __libc_internal_tsd_set):
2302 Added to GLIBC_2.0 for libc.so.
2304 1999-02-12 H.J. Lu <hjl@gnu.org>
2306 * Versions (__libc_current_sigrtmin, __libc_current_sigrtmax,
2307 __libc_allocate_rtsig): Added to GLIBC_2.1.
2309 * internals.h (DEFAULT_SIG_RESTART): Removed.
2310 (DEFAULT_SIG_CANCEL): Removed.
2312 * pthread.c (init_rtsigs, __libc_current_sigrtmin,
2313 __libc_current_sigrtmax, __libc_allocate_rtsig): New functions.
2314 (__pthread_sig_restart, __pthread_sig_cancel,
2315 __pthread_sig_debug): Initialized.
2316 (pthread_initialize): Call init_rtsigs () to initialize
2319 1999-02-03 H.J. Lu <hjl@gnu.org>
2321 * manager.c (__pthread_manager): Do block __pthread_sig_debug.
2322 Don't restart the thread which sent REQ_DEBUG.
2323 (pthread_start_thread): Check if __pthread_sig_debug > 0
2326 * pthread.c (__pthread_initialize_manager): Suspend ourself
2327 after sending __pthread_sig_debug to gdb instead of
2328 __pthread_sig_cancel.
2330 1999-01-24 H.J. Lu <hjl@gnu.org>
2332 * manager.c (__pthread_manager): Delete __pthread_sig_debug
2333 from mask if __pthread_sig_debug > 0.
2334 (pthread_handle_create): Increment __pthread_handles_num.
2336 * manager.c (pthread_handle_create): Don't pass CLONE_PTRACE to clone.
2337 * pthread.c (__pthread_initialize_manager): Likewise.
2339 * pthread.c (pthread_initialize): Use __libc_allocate_rtsig (1)
2340 instead of __libc_allocate_rtsig (2).
2341 (__pthread_initialize_manager): Send __pthread_sig_debug to gdb
2342 instead of __pthread_sig_cancel.
2343 (pthread_handle_sigdebug): Fix comments.
2345 1999-01-21 Ulrich Drepper <drepper@cygnus.com>
2347 * manager.c (pthread_allocate_stack): Set
2348 __pthread_nonstandard_stacks if user-specified stack is used.
2350 1999-01-16 Ulrich Drepper <drepper@cygnus.com>
2352 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Add _LFS_ASYNCHRONOUS_IO,
2353 _LFS_LARGEFILE, _LFS64_LARGEFILE, and _LFS64_STDIO from Unix98.
2355 1999-01-07 Xavier Leroy <Xavier.Leroy@inria.fr>
2357 * pthread.c: Use a third signal __pthread_sig_debug distinct
2358 from __pthread_sig_cancel to notify gdb when a thread is
2360 * manager.c: Likewise.
2361 * internals.h: Likewise.
2362 * signals.c: The implementation of sigwait(s) assumed that
2363 all signals in s have signal handlers already attached.
2364 This is not required by the standard, so make it work
2365 also if some of the signals have no handlers.
2367 1999-01-05 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2369 * linuxthreads.texi: Remove pointers from first @node. Move old
2370 @node spec inside comment.
2372 1998-12-31 Ulrich Drepper <drepper@cygnus.com>
2374 * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
2377 1998-12-29 Ulrich Drepper <drepper@cygnus.com>
2379 * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
2380 lock. Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
2382 1998-12-21 Ulrich Drepper <drepper@cygnus.com>
2384 * manager.c: Threads now send __pthread_sig_cancel on termination.
2385 Change clone call and signal masks.
2386 * thread.c (pthread_handle_sigrestart): Remove special code for
2388 (pthread_handle_sigcancel): In manager thread call
2389 __pthread_manager_sighandler.
2390 * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
2391 * sysdeps/i386/i686/pt-machine.h: Likewise.
2392 Patches by Xavier Leroy.
2394 1998-12-14 Ulrich Drepper <drepper@cygnus.com>
2396 * spinlock.c (__pthread_unlock): Don't crash if called for an
2397 untaken mutex. Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
2399 * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
2402 1998-12-13 Ulrich Drepper <drepper@cygnus.com>
2404 * Examples/ex3.c: Wait until all threads are started before
2405 searching for the number to avoid race condition on very fast
2408 1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2410 * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
2411 declaration since it's not needed.
2413 * sysdeps/pthread/pthread.h: Move internal functions to ...
2414 * internals.h: ...here.
2416 1998-12-02 H.J. Lu <hjl@gnu.org>
2418 * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
2419 SIGRTMIN is defined.
2420 (__pthread_sig_cancel): Likewise.
2422 1998-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2424 * wrapsyscall.c: Include <sys/mman.h> for msync,
2425 <stdlib.h> for system and <termios.h> for tcdrain prototype.
2426 Correct msync declaration.
2428 1998-11-29 Roland McGrath <roland@baalperazim.frob.com>
2430 * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
2431 __libc_tsd_set): New macros for new interface.
2432 * no-tsd.c: New file, provide uninitialized defns of
2433 __libc_internal_tsd_get and __libc_internal_tsd_set.
2434 * Makefile (routines): Add no-tsd.
2436 1998-10-12 Roland McGrath <roland@baalperazim.frob.com>
2438 * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
2439 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
2440 __libc_internal_tsd_set): Move decls to ...
2441 * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
2444 * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
2445 __libc_internal_tsd_set): Make these pointers to functions, not
2446 functions; remove #pragma weak decls for them.
2447 * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
2448 Define static functions and initialized pointers to them.
2450 1998-11-18 Ulrich Drepper <drepper@cygnus.com>
2452 * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
2453 (CFLAGS-specific.c): Likewise.
2454 (CFLAGS-pthread.c): Likewise.
2455 (CFLAGS-ptfork.c): Likewise.
2456 (CFLAGS-cancel.c): Likewise.
2457 * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
2458 as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
2460 * mutex.c (pthread_mutex_init): Define as strong symbol.
2461 (pthread_mutex_destroy): Likewise.
2462 (pthread_mutex_trylock): Likewise.
2463 (pthread_mutex_lock): Likewise.
2464 (pthread_mutex_unlock): Likewise.
2465 (pthread_mutexattr_init): Likewise.
2466 (pthread_mutexattr_destroy): Likewise.
2467 (pthread_once): Likewise.
2468 * ptfork.c (pthread_atfork): Likewise.
2469 * specific.c (pthread_key_create): Likewise.
2470 (pthread_setspecific): Likewise.
2471 (pthread_getspecific): Likewise.
2473 1998-11-15 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2475 * linuxthreads.texi: Fix punctuation after xref.
2477 1998-11-10 H.J. Lu <hjl@gnu.org>
2479 * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
2480 if it is defined in <linux/limits.h>.
2482 1998-10-29 14:28 Ulrich Drepper <drepper@cygnus.com>
2484 * spinlock.h (__pthread_trylock): Define inline.
2485 (__pthread_lock): Add extra parameter to declaration. Declare
2486 using internal_function.
2487 (__pthread_unlock): Declare using internal_function.
2488 * spinlock.c (__pthread_lock): Add new parameter. Use it instead
2489 of local variable self. Avoid recomputing self. Define using
2491 (__pthread_trylock): Remove.
2492 (__pthread_unlock): Define using internal_function.
2493 * cancel.c: Adjust for __pthread_lock interface change. Use already
2494 computed self value is possible.
2495 * condvar.c: Likewise.
2497 * manager.c: Likewise.
2498 * mutex.c: Likewise.
2499 * pthread.c: Likewise.
2500 * rwlock.c: Likewise.
2501 * semaphore.c: Likewise.
2502 * signals.c: Likewise.
2504 1998-10-27 13:46 Ulrich Drepper <drepper@cygnus.com>
2506 * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
2507 __ to field names of the struct.
2508 * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
2510 (pthread_attr_t): Likewise.
2511 (pthread_cond_t): Likewise.
2512 (pthread_condattr_t): Likewise.
2513 (pthread_mutex_t): Likewise.
2514 (pthread_mutexattr_t): Likewise.
2515 (pthread_rwlock_t): Likewise.
2516 (pthread_rwlockattr_t): Likewise.
2517 * attr.c: Adjust for pthread.h and pthreadtypes.h change.
2518 * cancel.c: Likewise.
2519 * condvar.c: Likewise.
2520 * manager.c: Likewise.
2521 * mutex.c: Likewise.
2522 * pthread.c: Likewise.
2523 * ptlongjmp.c: Likewise.
2524 * rwlock.c: Likewise.
2525 * spinlock.c: Likewise.
2527 1998-10-09 Ulrich Drepper <drepper@cygnus.com>
2529 * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
2532 * sysdeps/i386/i686/pt-machine.h: Remove unused inline
2535 * Makefile (libpthread-routines): Add pt-machine.
2536 * pt-machine.c: New file.
2537 * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
2538 yet defined. Use PT_EI in extern inline definitions.
2539 * sysdeps/arm/pt-machine.h: Likewise.
2540 * sysdeps/i386/pt-machine.h: Likewise.
2541 * sysdeps/i386/i686/pt-machine.h: Likewise.
2542 * sysdeps/m68k/pt-machine.h: Likewise.
2543 * sysdeps/mips/pt-machine.h: Likewise.
2544 * sysdeps/powerpc/pt-machine.h: Likewise.
2545 * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
2546 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
2548 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2550 * semaphore.h: Include <sys/types.h> so that _pthread_descr
2553 1998-09-15 David S. Miller <davem@pierdol.cobaltmicro.com>
2555 * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
2557 * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
2559 1998-09-12 14:24 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
2561 * sysdeps/unix/sysv/linux/bits/sigthread.h: Add multiple inclusion
2564 1998-09-02 11:08 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2566 * signals.c (sigaction): Check that sig is less than NSIG to avoid
2567 array index overflow.
2569 1998-09-06 10:56 Ulrich Drepper <drepper@cygnus.com>
2571 * sysdeps/pthread/semaphore.h: New file.
2573 1998-09-06 09:08 Ulrich Drepper <drepper@cygnus.com>
2575 * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
2576 _LIBC_TSD_KEY_DL_ERROR.
2578 1998-08-31 Ulrich Drepper <drepper@cygnus.com>
2580 * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
2581 * sysdeps/i386/pt-machine.h: Likewise.
2582 Suggested by Roland McGrath.
2584 1998-08-28 13:58 Ulrich Drepper <drepper@cygnus.com>
2586 * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
2587 access thread data with non-constant offsets.
2588 * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
2591 * sysdeps/i386/useldt.h: Fix typo. Add THREAD_GETMEM_NC and
2592 THREAD_SETMEM_NC definitions.
2594 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
2596 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
2598 1998-08-26 15:46 Ulrich Drepper <drepper@cygnus.com>
2600 * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
2601 not already defined.
2602 (struct _pthread_descr_struct): Add p_self and p_nr field.
2603 * manager.c (__pthread_handles): Define second element to point
2605 (__pthread_handles_num): Initialize to 2.
2606 (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
2607 (pthread_start_thread): Likewise.
2608 (pthread_handle_create): Start search for free slot at entry 2.
2609 Initialize new fields p_self and p_nr.
2610 Call __clone with CLONE_PTRACE if available.
2611 (pthread_free): Call FREE_THREAD_SELF if available.
2612 * pthread.c (__pthread_initial_thread): Initialize new fields.
2613 (__pthread_manager_thread): Likewise.
2614 (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
2616 * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
2617 elements of the thread descriptor.
2618 * condvar.c: Likewise.
2619 * errno.c: Likewise.
2621 * manager.c: Likewise.
2622 * pthread.c: Likewise.
2623 * ptlongjmp.c: Likewise.
2624 * semaphore.c: Likewise.
2625 * signals.c: Likewise.
2626 * specific.c: Likewise.
2627 * spinlock.c: Likewise.
2629 * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
2631 * sysdeps/i386/useldt.h: New file.
2632 * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
2634 * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
2635 THREAD_SETMEM using __thread_self.
2636 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
2638 1998-08-24 Geoff Keating <geoffk@ozemail.com.au>
2640 * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
2641 turned out that we didn't need to queue after all.
2643 1998-08-22 Geoff Keating <geoffk@ozemail.com.au>
2645 * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
2646 and wastes space; correct types.
2648 1998-08-08 11:18 H.J. Lu <hjl@gnu.org>
2650 * signals.c (sigaction): Handle NULL argument.
2652 1998-08-04 Ulrich Drepper <drepper@cygnus.com>
2654 * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
2657 1998-08-02 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2659 * Makefile (linuxthreads-version): Extract correct number from
2662 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
2664 * Banner: Bump version number to 0.8
2665 * FAQ.html: Many updates, in particular w.r.t. debugging.
2666 * manager.c: Support for non-default stacksize for
2667 LinuxThreads-allocated stacks;
2668 don't use guard pages for stacks with default size, rely on
2669 rlimit(RLIMIT_STACK) instead (it's cheaper).
2671 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
2672 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
2673 * condvar.c: Likewise.
2674 * internals.h: Likewise.
2675 * restart.h: Likewise.
2676 * signals.c: Likewise.
2677 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
2679 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2681 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
2682 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
2683 * Versions: Put __pthread_mutexattr_settype under version
2684 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
2685 __pthread_mutexattr_gettype.
2687 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2689 * sysdeps/pthread/bits/libc-lock.h: Make
2690 __pthread_mutexattr_settype weak. Don't make
2691 __pthread_mutexattr_setkind_np weak.
2693 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
2695 * manager.c (pthread_handle_create): Check whether sched_setscheduler
2696 call can succeed here.
2698 * mutex.c: Define __pthread_mutexattr_settype and make
2699 __pthread_mutexattr_setkind_np an alias.
2700 Likewise for __pthread_mutexattr_gettype.
2702 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
2704 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
2707 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
2709 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
2711 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2713 * Examples/ex6.c: Include <unistd.h> for usleep.
2715 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2717 * Examples/ex4.c (main): Use exit, not pthread_exit.
2719 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
2721 * Versions: Add __pthread_mutexattr_gettype and
2722 __pthread_mutexattr_settype.
2723 * lockfile.c: Use __pthread_mutexattr_settype instead of
2724 __pthread_mutexattr_setkind_np.
2725 * mutex.c: Define __pthread_mutexattr_gettype and
2726 __pthread_mutexattr_settype.
2728 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
2729 __pthread_mutexattr_settype.
2730 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
2731 Use __pthread_mutexattr_settype.
2733 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
2735 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
2736 * mutex.c: Define weak alias pthread_mutexattr_gettype and
2737 pthread_mutexattr_settype.
2738 * sysdeps/pthread/pthread.h: Declare these functions.
2739 Move pthread_sigmask and pthread_kill declaration in separate header.
2740 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
2742 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
2744 * Makefile: Add rules to compile and run tests.
2745 * Examples/ex1.c: Little changes to fix warnings.
2746 * Examples/ex2.c: Likewise.
2747 * Examples/ex3.c: Likewise.
2748 * Examples/ex4.c: Likewise.
2749 * Examples/ex5.c: Likewise.
2750 * Examples/ex6.c: New file.
2752 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
2754 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
2756 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2758 * attr.c: Include <string.h>.
2760 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
2762 * attr.c: Include errno.h. Use memcpy to copy sched_param.
2763 * internals.h: Include limits.h.
2764 * manager.c: Use memcpy to copy sched_param.
2765 * ptfork.c: Include errno.h.
2766 * pthread.c: Likewise.
2767 * semaphore.c: Likewise.
2768 * specific.c: Likewise.
2769 * spinlock.h: Likewise.
2770 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
2771 type definition to ...
2772 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
2774 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
2776 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
2778 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
2779 as macros as demanded in POSIX.1, Annex C.
2781 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
2783 * internals.h (struct pthread_request): For free use pthread_t
2784 instead of pthread_descr.
2785 * join.c (pthread_join): Pass thread_id, not th to manager.
2786 (pthread_detach): Likewise.
2787 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
2788 (pthread_exited): Remove detached queue code.
2789 (pthread_handle_free): Expect thread ID parameter and use it to
2790 validate the thread decsriptor. Don't use detached queue.
2791 Patches by Xavier Leroy.
2793 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2795 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
2796 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
2797 __pthread_atfork, __pthread_key_create, __pthread_once.
2798 * internals.h: Doc fix.
2799 * pthread.c (__pthread_initialize): Define again.
2801 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
2803 * manager.c (pthread_exited): If thread is not detached put it on
2805 (pthread_handle_free): If thread is not on list with living threads
2806 search on list with detached threads.
2808 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
2809 for new definition of pthread_rwlock_t.
2811 * spinlock.c: Correct test whether to compile
2812 __pthread_compare_and_swap or not.
2814 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
2816 * attr.c: Finish user stack support. Change locking code to be safe
2817 in situations with different priorities.
2818 * cancel.c: Likewise.
2819 * condvar.c: Likewise.
2820 * internals.h: Likewise.
2822 * manager.c: Likewise.
2823 * mutex.c: Likewise.
2824 * pthread.c: Likewise.
2825 * ptlongjmp.c: Likewise.
2826 * queue.h: Likewise.
2827 * rwlock.c: Likewise.
2828 * semaphore.c: Likewise.
2829 * semaphore.h: Likewise.
2830 * signals.c: Likewise.
2831 * spinlock.c: Likewise.
2832 * spinlock.h: Likewise.
2833 * sysdeps/pthread/pthread.h: Likewise.
2834 Patches by Xavier Leroy.
2836 * sysdeps/i386/i686/pt-machine.h: New file.
2838 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
2840 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
2841 [sg]et_stackaddr prototypes always available.
2843 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
2844 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
2846 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
2848 * manager.c (pthread_free): Undo patch from 980430.
2849 Reported by David Wragg <dpw@doc.ic.ac.uk>.
2851 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
2853 * manager.c: Define __pthread_manager_adjust_prio and use it to
2854 increase priority when needed.
2855 * internals.h: Add prototype for __pthread_manager_adjust_prio.
2856 * mutex.c: Optimize mutexes to wake up only one thread.
2857 * pthread.c: Move PID of manager for global variable in structure
2859 Patches by Xavier Leroy.
2861 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
2863 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
2865 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2867 * attr.c: Correct typo.
2869 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
2871 * manager.c (pthread_free): Unmap guard before the stack.
2872 Patch by Matthias Urlichs.
2874 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
2876 * manager.c (pthread_free): Detect already free child.
2877 Patch by Xavier Leroy, reported by Matthias Urlichs.
2879 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2881 * Makefile (linuxthreads-version): Renamed back from
2884 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
2886 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
2889 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
2891 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
2892 * internals.h: Add definitions for new spinlock implementation.
2893 * ptlongjmp.c: New file.
2894 * spinlock.c: New file.
2895 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
2896 new function __pthread_acquire to prevent deadlocks with thread
2897 with different priorities.
2898 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
2900 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2902 * manager.c (__pthread_manager): Reduce first argument to select
2903 to include just the needed file descriptor.
2905 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
2907 * manager.c: Fix last patch which caused core dumps.
2909 * pthread.c: Correctly handle missing SIGRTMIN.
2911 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2913 * libpthread.map: Add __libc_internal_tsd_get and
2914 __libc_internal_tsd_set. Add missing cancelable functions. Export
2915 libc internal versions of the cancelable functions.
2917 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
2919 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
2921 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
2923 * attr.c: Implement pthread_attr_[gs]etguardsize,
2924 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
2925 Change pthread_attr_init to have two interfaces.
2926 * internals.h (struct _pthread_descr_struct): Add new fields for
2928 * libpthread.map: Add names in GLIBC_2.1 section.
2929 * manager.c (pthread_handle_create): Implement guardsize and
2931 (pthread_free): Likewise.
2932 * pthread.c (pthread_create): Add new interface for changed
2934 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
2935 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
2938 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
2940 * manager.c: Enable resetting of the thread scheduling policy
2941 to SCHED_OTHER when the parent thread has a different one.
2943 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
2945 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
2946 _POSIX_ASYNCHRONOUS_IO.
2948 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
2950 * mutex.c: Implement new mutex types.
2952 * internals.h: Include <signal.h>.
2954 * libpthread.map: Add __erno_location and __h_errno_location.
2956 * errno.c: Return pointer to variable actually in use. This might
2957 not be the one in the thread structure.
2958 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
2960 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
2961 of manager thread structure.
2962 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
2964 * pthread.c: Adapt initializer for thread structures.
2965 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
2966 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
2967 current thread to global variables.
2969 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
2971 * rwlock.c: New file.
2972 * Makefile (libpthread-routines): Add rwlock.
2973 * sysdeps/pthread/pthread.h: Define data structures and declare
2975 * libpthread.map: Add new functions.
2977 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
2979 * sysdeps/arm/pt-machine.h: New file; add ARM support.
2980 * sysdeps/arm/Implies: likewise.
2981 * README: Document it.
2983 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2985 * signals.c: Remove unneeded initializer for sigwaited, saving a
2988 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2990 * semaphore.c (sem_init): Set sem_spinlock only if available.
2992 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
2994 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
2995 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
2997 * Makefile: Update from LinuxThreads 0.7.
2998 * internals.h. Likewise.
2999 * manager.c: Likewise.
3000 * mutex.c: Likewise.
3001 * pthread.c: Likewise.
3002 * signals.c: Likewise.
3003 * specific.c: Likewise.
3004 * Examples/ex3.c: Likewise.
3006 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
3008 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
3011 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
3013 * wrapsyscall.c: Add socket functions which are also cancelation
3016 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
3018 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
3019 New functions for fast thread specific data within libc.
3021 * internals.h: Add new array p_libc_specific to struct
3022 _pthread_descr_struct.
3024 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
3026 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
3028 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
3029 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
3031 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
3033 * internals.h (struct _pthread_descr_struct): Add definitions for
3034 two-level specific key handling.
3035 * manager.c (pthread_handle_create): Initialize specific memory array.
3036 * specific.c: Implement two-level key handling.
3037 * weaks.c: Don't provide dummy key handling.
3038 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
3039 Add definition of __libc_key_t.
3040 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
3042 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
3043 PTHREAD_DESTRUCTOR_ITERATIONS.
3045 * manager.c (pthread_handle_create): Compare mmap result with
3048 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
3049 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
3051 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
3053 sysdeps/sparc -> sysdeps/sparc/sparc32
3054 sysdeps/sparc64 -> sysdeps/sparc/sparc64
3056 * internals.h: Change definition of THREAD_SELF to be an expression,
3057 not a statement that did a return.
3058 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
3059 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
3060 Follow Solaris and use a "system reserved" register (%g6) to hold
3061 the thread descriptor.
3062 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
3064 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
3066 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
3067 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
3068 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
3070 * semaphore.c: Include spinlock.h only when needed.
3072 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
3073 keys for entries not in use.
3075 * weaks.c: Implement key handling functions for real.
3077 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
3079 Initial sparc64-linux support:
3080 * sysdeps/sparc64/Implies: New file.
3081 * sysdeps/sparc64/pt-machine.h: Likewise.
3083 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
3085 * semaphore.c: Include spinlock.h at correct place.
3088 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
3090 The Great Bit File Move:
3091 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
3092 * sysdeps/powerpc/semaphorebits.h: Likewise.
3093 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
3094 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
3095 * sysdeps/pthread/libc-lock.h: -> bits/
3096 * sysdeps/pthread/stdio-lock.h: Likewise.
3097 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
3098 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
3099 * semaphore.h: Likewise.
3100 * sysdeps/pthread/pthread.h: Likewise.
3102 * lockfile.c: <foo.h> -> <bits/foo.h>.
3103 * semaphore.h: Likewise.
3105 * Makefile: (headers): foo.h -> bits/foo.h.
3106 * sysdeps/pthread/Makefile: Likewise.
3108 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3110 * semaphore.c (sem_init): Set sem_spinlock only if available.
3112 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
3115 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
3117 Update from LinuxThreads 0.6.
3119 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
3120 and __sched_get_priority_min instead of names without `__'.
3122 * manager.c: Rewrite large parts to implement opaque pthread_t.
3124 * cancel.c: Adapt for opaque pthread_t type.
3125 * condvar.c: Likewise.
3126 * errno.c: Likewise.
3128 * mutex.c: Likewise.
3129 * pthread.c: Likewise.
3130 * signals.c: Likewise.
3131 * specific.c: Likewise.
3132 * restart.h: Likewise.
3133 * queue.h: Likewise.
3134 * Examples/ex3.c: Likewise.
3135 * Examples/ex4.c: Likewise.
3136 * sysdeps/pthread/pthread.h: Likewise.
3138 * pthread.c: Accumulate time for all threads in thread manager.
3140 * semaphore.c: Implement fallback implementation for architectures
3141 sometimes missing compare-exchange operations.
3143 * cancel.c (pthread_cancel): Validate handle argument.
3144 * join.c (pthread_join): Likewise.
3145 (pthread_detach): Likewise.
3146 * signals.c (pthread_kill): Likewise.
3148 * spinlock.h (acquire): Use __sched_yield not sched_yield.
3150 * queue.h (enqueue): Enqueue thread according to priority.
3152 * internals.c (struct pthread_start_args): New struct for passing
3153 args to cloning function.
3154 (struct _pthread): Rename to _pthread_descr_struct and adapt for
3157 * Examples/Makefile (clean): Pass -f option to rm.
3159 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
3160 and define TEST_FOR_COMPARE_AND_SWAP.
3161 * sysdeps/i386/i486/pt-machine.h: Removed.
3163 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
3166 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
3168 * restart.h (suspend): Clear p_signal before suspending.
3169 (suspend_with_cancellation): Likewise.
3170 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
3172 * weaks.c: Make __pthread_key_create return 1.
3173 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
3174 __libc_getspecific, __libc_setspecific, and __libc_key_t.
3175 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
3178 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
3180 * sysdeps/sparc/pt-machine (RELEASE): Fix.
3182 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
3184 * sysdeps/powerpc/Implies: Added.
3185 * sysdeps/powerpc/pt-machine.h: Added.
3186 * sysdeps/powerpc/semaphorebits.h: Added.
3188 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
3190 * pthread.c (__pthread_initial_thread): Correct
3192 (__pthread_manager_thread): Likewise.
3193 Reported by Andreas Jaeger.
3195 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
3197 Since sigset_t no longer fits in a register, we can't pass in the
3198 thread's initial mask so easily. Take this opportunity to simplify
3199 the clone implementation by only accepting a single void* argument.
3201 * manager.c (__pthread_manager): Put thread vitals in the thread
3202 struct instead of as arguments through clone.
3203 (pthread_start_thread): Look for them there.
3204 * internals.h (struct _pthread): Add p_initial_fn,
3205 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
3206 * pthread.c (pthread_initialize_manager): Revise clone invocation.