1 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
3 * manager.c (pthread_handle_create): Check whether sched_setscheduler
6 * mutex.c: Define __pthread_mutexattr_settype and make
7 __pthread_mutexattr_setkind_np an alias.
8 Likewise for __pthread_mutexattr_gettype.
10 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
12 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
15 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
17 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
19 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21 * Examples/ex6.c: Include <unistd.h> for usleep.
23 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
25 * Examples/ex4.c (main): Use exit, not pthread_exit.
27 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
29 * Versions: Add __pthread_mutexattr_gettype and
30 __pthread_mutexattr_settype.
31 * lockfile.c: Use __pthread_mutexattr_settype instead of
32 __pthread_mutexattr_setkind_np.
33 * mutex.c: Define __pthread_mutexattr_gettype and
34 __pthread_mutexattr_settype.
36 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
37 __pthread_mutexattr_settype.
38 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
39 Use __pthread_mutexattr_settype.
41 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
43 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
44 * mutex.c: Define weak alias pthread_mutexattr_gettype and
45 pthread_mutexattr_settype.
46 * sysdeps/pthread/pthread.h: Declare these functions.
47 Move pthread_sigmask and pthread_kill declaration in separate header.
48 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
50 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
52 * Makefile: Add rules to compile and run tests.
53 * Examples/ex1.c: Little changes to fix warnings.
54 * Examples/ex2.c: Likewise.
55 * Examples/ex3.c: Likewise.
56 * Examples/ex4.c: Likewise.
57 * Examples/ex5.c: Likewise.
58 * Examples/ex6.c: New file.
60 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
62 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
64 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
66 * attr.c: Include <string.h>.
68 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
70 * attr.c: Include errno.h. Use memcpy to copy sched_param.
71 * internals.h: Include limits.h.
72 * manager.c: Use memcpy to copy sched_param.
73 * ptfork.c: Include errno.h.
74 * pthread.c: Likewise.
75 * semaphore.c: Likewise.
76 * specific.c: Likewise.
77 * spinlock.h: Likewise.
78 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
79 type definition to ...
80 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
82 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
84 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
86 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
87 as macros as demanded in POSIX.1, Annex C.
89 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
91 * internals.h (struct pthread_request): For free use pthread_t
92 instead of pthread_descr.
93 * join.c (pthread_join): Pass thread_id, not th to manager.
94 (pthread_detach): Likewise.
95 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
96 (pthread_exited): Remove detached queue code.
97 (pthread_handle_free): Expect thread ID parameter and use it to
98 validate the thread decsriptor. Don't use detached queue.
99 Patches by Xavier Leroy.
101 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
103 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
104 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
105 __pthread_atfork, __pthread_key_create, __pthread_once.
106 * internals.h: Doc fix.
107 * pthread.c (__pthread_initialize): Define again.
109 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
111 * manager.c (pthread_exited): If thread is not detached put it on
113 (pthread_handle_free): If thread is not on list with living threads
114 search on list with detached threads.
116 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
117 for new definition of pthread_rwlock_t.
119 * spinlock.c: Correct test whether to compile
120 __pthread_compare_and_swap or not.
122 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
124 * attr.c: Finish user stack support. Change locking code to be safe
125 in situations with different priorities.
126 * cancel.c: Likewise.
127 * condvar.c: Likewise.
128 * internals.h: Likewise.
130 * manager.c: Likewise.
132 * pthread.c: Likewise.
133 * ptlongjmp.c: Likewise.
135 * rwlock.c: Likewise.
136 * semaphore.c: Likewise.
137 * semaphore.h: Likewise.
138 * signals.c: Likewise.
139 * spinlock.c: Likewise.
140 * spinlock.h: Likewise.
141 * sysdeps/pthread/pthread.h: Likewise.
142 Patches by Xavier Leroy.
144 * sysdeps/i386/i686/pt-machine.h: New file.
146 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
148 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
149 [sg]et_stackaddr prototypes always available.
151 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
152 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
154 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
156 * manager.c (pthread_free): Undo patch from 980430.
157 Reported by David Wragg <dpw@doc.ic.ac.uk>.
159 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
161 * manager.c: Define __pthread_manager_adjust_prio and use it to
162 increase priority when needed.
163 * internals.h: Add prototype for __pthread_manager_adjust_prio.
164 * mutex.c: Optimize mutexes to wake up only one thread.
165 * pthread.c: Move PID of manager for global variable in structure
167 Patches by Xavier Leroy.
169 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
171 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
173 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
175 * attr.c: Correct typo.
177 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
179 * manager.c (pthread_free): Unmap guard before the stack.
180 Patch by Matthias Urlichs.
182 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
184 * manager.c (pthread_free): Detect already free child.
185 Patch by Xavier Leroy, reported by Matthias Urlichs.
187 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
189 * Makefile (linuxthreads-version): Renamed back from
192 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
194 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
197 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
199 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
200 * internals.h: Add definitions for new spinlock implementation.
201 * ptlongjmp.c: New file.
202 * spinlock.c: New file.
203 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
204 new function __pthread_acquire to prevent deadlocks with thread
205 with different priorities.
206 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
208 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
210 * manager.c (__pthread_manager): Reduce first argument to select
211 to include just the needed file descriptor.
213 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
215 * manager.c: Fix last patch which caused core dumps.
217 * pthread.c: Correctly handle missing SIGRTMIN.
219 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
221 * libpthread.map: Add __libc_internal_tsd_get and
222 __libc_internal_tsd_set. Add missing cancelable functions. Export
223 libc internal versions of the cancelable functions.
225 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
227 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
229 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
231 * attr.c: Implement pthread_attr_[gs]etguardsize,
232 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
233 Change pthread_attr_init to have two interfaces.
234 * internals.h (struct _pthread_descr_struct): Add new fields for
236 * libpthread.map: Add names in GLIBC_2.1 section.
237 * manager.c (pthread_handle_create): Implement guardsize and
239 (pthread_free): Likewise.
240 * pthread.c (pthread_create): Add new interface for changed
242 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
243 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
246 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
248 * manager.c: Enable resetting of the thread scheduling policy
249 to SCHED_OTHER when the parent thread has a different one.
251 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
253 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
254 _POSIX_ASYNCHRONOUS_IO.
256 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
258 * mutex.c: Implement new mutex types.
260 * internals.h: Include <signal.h>.
262 * libpthread.map: Add __erno_location and __h_errno_location.
264 * errno.c: Return pointer to variable actually in use. This might
265 not be the one in the thread structure.
266 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
268 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
269 of manager thread structure.
270 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
272 * pthread.c: Adapt initializer for thread structures.
273 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
274 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
275 current thread to global variables.
277 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
279 * rwlock.c: New file.
280 * Makefile (libpthread-routines): Add rwlock.
281 * sysdeps/pthread/pthread.h: Define data structures and declare
283 * libpthread.map: Add new functions.
285 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
287 * sysdeps/arm/pt-machine.h: New file; add ARM support.
288 * sysdeps/arm/Implies: likewise.
289 * README: Document it.
291 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
293 * signals.c: Remove unneeded initializer for sigwaited, saving a
296 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
298 * semaphore.c (sem_init): Set sem_spinlock only if available.
300 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
302 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
303 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
305 * Makefile: Update from LinuxThreads 0.7.
306 * internals.h. Likewise.
307 * manager.c: Likewise.
309 * pthread.c: Likewise.
310 * signals.c: Likewise.
311 * specific.c: Likewise.
312 * Examples/ex3.c: Likewise.
314 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
316 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
319 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
321 * wrapsyscall.c: Add socket functions which are also cancelation
324 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
326 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
327 New functions for fast thread specific data within libc.
329 * internals.h: Add new array p_libc_specific to struct
330 _pthread_descr_struct.
332 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
334 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
336 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
337 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
339 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
341 * internals.h (struct _pthread_descr_struct): Add definitions for
342 two-level specific key handling.
343 * manager.c (pthread_handle_create): Initialize specific memory array.
344 * specific.c: Implement two-level key handling.
345 * weaks.c: Don't provide dummy key handling.
346 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
347 Add definition of __libc_key_t.
348 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
350 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
351 PTHREAD_DESTRUCTOR_ITERATIONS.
353 * manager.c (pthread_handle_create): Compare mmap result with
356 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
357 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
359 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
361 sysdeps/sparc -> sysdeps/sparc/sparc32
362 sysdeps/sparc64 -> sysdeps/sparc/sparc64
364 * internals.h: Change definition of THREAD_SELF to be an expression,
365 not a statement that did a return.
366 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
367 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
368 Follow Solaris and use a "system reserved" register (%g6) to hold
369 the thread descriptor.
370 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
372 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
374 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
375 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
376 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
378 * semaphore.c: Include spinlock.h only when needed.
380 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
381 keys for entries not in use.
383 * weaks.c: Implement key handling functions for real.
385 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
387 Initial sparc64-linux support:
388 * linuxthreads/sysdeps/sparc64/Implies: New file.
389 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
391 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
393 * semaphore.c: Include spinlock.h at correct place.
396 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
398 The Great Bit File Move:
399 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
400 * sysdeps/powerpc/semaphorebits.h: Likewise.
401 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
402 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
403 * sysdeps/pthread/libc-lock.h: -> bits/
404 * sysdeps/pthread/stdio-lock.h: Likewise.
405 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
406 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
407 * semaphore.h: Likewise.
408 * sysdeps/pthread/pthread.h: Likewise.
410 * lockfile.c: <foo.h> -> <bits/foo.h>.
411 * semaphore.h: Likewise.
413 * Makefile: (headers): foo.h -> bits/foo.h.
414 * sysdeps/pthread/Makefile: Likewise.
416 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
418 * semaphore.c (sem_init): Set sem_spinlock only if available.
420 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
423 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
425 Update from LinuxThreads 0.6.
427 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
428 and __sched_get_priority_min instead of names without `__'.
430 * manager.c: Rewrite large parts to implement opaque pthread_t.
432 * cancel.c: Adapt for opaque pthread_t type.
433 * condvar.c: Likewise.
437 * pthread.c: Likewise.
438 * signals.c: Likewise.
439 * specific.c: Likewise.
440 * restart.h: Likewise.
442 * Examples/ex3.c: Likewise.
443 * Examples/ex4.c: Likewise.
444 * sysdeps/pthread/pthread.h: Likewise.
446 * pthread.c: Accumulate time for all threads in thread manager.
448 * semaphore.c: Implement fallback implementation for architectures
449 sometimes missing compare-exchange operations.
451 * cancel.c (pthread_cancel): Validate handle argument.
452 * join.c (pthread_join): Likewise.
453 (pthread_detach): Likewise.
454 * signals.c (pthread_kill): Likewise.
456 * spinlock.h (acquire): Use __sched_yield not sched_yield.
458 * queue.h (enqueue): Enqueue thread according to priority.
460 * internals.c (struct pthread_start_args): New struct for passing
461 args to cloning function.
462 (struct _pthread): Rename to _pthread_descr_struct and adapt for
465 * Examples/Makefile (clean): Pass -f option to rm.
467 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
468 and define TEST_FOR_COMPARE_AND_SWAP.
469 * sysdeps/i386/i486/pt-machine.h: Removed.
471 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
474 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
476 * restart.h (suspend): Clear p_signal before suspending.
477 (suspend_with_cancellation): Likewise.
478 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
480 * weaks.c: Make __pthread_key_create return 1.
481 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
482 __libc_getspecific, __libc_setspecific, and __libc_key_t.
483 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
486 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
488 * sysdeps/sparc/pt-machine (RELEASE): Fix.
490 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
492 * sysdeps/powerpc/Implies: Added.
493 * sysdeps/powerpc/pt-machine.h: Added.
494 * sysdeps/powerpc/semaphorebits.h: Added.
496 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
498 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
500 (__pthread_manager_thread): Likewise.
501 Reported by Andreas Jaeger.
503 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
505 Since sigset_t no longer fits in a register, we can't pass in the
506 thread's initial mask so easily. Take this opportunity to simplify
507 the clone implementation by only accepting a single void* argument.
509 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
510 in the thread struct instead of as arguments through clone.
511 (pthread_start_thread): Look for them there.
512 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
513 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
514 * linuxthreads/pthread.c (pthread_initialize_manager): Revise