1 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
3 * attr.c: Include <string.h>.
5 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
7 * attr.c: Include errno.h. Use memcpy to copy sched_param.
8 * internals.h: Include limits.h.
9 * manager.c: Use memcpy to copy sched_param.
10 * ptfork.c: Include errno.h.
11 * pthread.c: Likewise.
12 * semaphore.c: Likewise.
13 * specific.c: Likewise.
14 * spinlock.h: Likewise.
15 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
16 type definition to ...
17 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
19 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
21 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
23 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
24 as macros as demanded in POSIX.1, Annex C.
26 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
28 * internals.h (struct pthread_request): For free use pthread_t
29 instead of pthread_descr.
30 * join.c (pthread_join): Pass thread_id, not th to manager.
31 (pthread_detach): Likewise.
32 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
33 (pthread_exited): Remove detached queue code.
34 (pthread_handle_free): Expect thread ID parameter and use it to
35 validate the thread decsriptor. Don't use detached queue.
36 Patches by Xavier Leroy.
38 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
40 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
41 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
42 __pthread_atfork, __pthread_key_create, __pthread_once.
43 * internals.h: Doc fix.
44 * pthread.c (__pthread_initialize): Define again.
46 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
48 * manager.c (pthread_exited): If thread is not detached put it on
50 (pthread_handle_free): If thread is not on list with living threads
51 search on list with detached threads.
53 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
54 for new definition of pthread_rwlock_t.
56 * spinlock.c: Correct test whether to compile
57 __pthread_compare_and_swap or not.
59 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
61 * attr.c: Finish user stack support. Change locking code to be safe
62 in situations with different priorities.
64 * condvar.c: Likewise.
65 * internals.h: Likewise.
67 * manager.c: Likewise.
69 * pthread.c: Likewise.
70 * ptlongjmp.c: Likewise.
73 * semaphore.c: Likewise.
74 * semaphore.h: Likewise.
75 * signals.c: Likewise.
76 * spinlock.c: Likewise.
77 * spinlock.h: Likewise.
78 * sysdeps/pthread/pthread.h: Likewise.
79 Patches by Xavier Leroy.
81 * sysdeps/i386/i686/pt-machine.h: New file.
83 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
85 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
86 [sg]et_stackaddr prototypes always available.
88 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
89 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
91 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
93 * manager.c (pthread_free): Undo patch from 980430.
94 Reported by David Wragg <dpw@doc.ic.ac.uk>.
96 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
98 * manager.c: Define __pthread_manager_adjust_prio and use it to
99 increase priority when needed.
100 * internals.h: Add prototype for __pthread_manager_adjust_prio.
101 * mutex.c: Optimize mutexes to wake up only one thread.
102 * pthread.c: Move PID of manager for global variable in structure
104 Patches by Xavier Leroy.
106 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
108 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
110 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
112 * attr.c: Correct typo.
114 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
116 * manager.c (pthread_free): Unmap guard before the stack.
117 Patch by Matthias Urlichs.
119 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
121 * manager.c (pthread_free): Detect already free child.
122 Patch by Xavier Leroy, reported by Matthias Urlichs.
124 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
126 * Makefile (linuxthreads-version): Renamed back from
129 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
131 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
134 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
136 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
137 * internals.h: Add definitions for new spinlock implementation.
138 * ptlongjmp.c: New file.
139 * spinlock.c: New file.
140 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
141 new function __pthread_acquire to prevent deadlocks with thread
142 with different priorities.
143 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
145 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
147 * manager.c (__pthread_manager): Reduce first argument to select
148 to include just the needed file descriptor.
150 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
152 * manager.c: Fix last patch which caused core dumps.
154 * pthread.c: Correctly handle missing SIGRTMIN.
156 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
158 * libpthread.map: Add __libc_internal_tsd_get and
159 __libc_internal_tsd_set. Add missing cancelable functions. Export
160 libc internal versions of the cancelable functions.
162 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
164 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
166 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
168 * attr.c: Implement pthread_attr_[gs]etguardsize,
169 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
170 Change pthread_attr_init to have two interfaces.
171 * internals.h (struct _pthread_descr_struct): Add new fields for
173 * libpthread.map: Add names in GLIBC_2.1 section.
174 * manager.c (pthread_handle_create): Implement guardsize and
176 (pthread_free): Likewise.
177 * pthread.c (pthread_create): Add new interface for changed
179 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
180 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
183 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
185 * manager.c: Enable resetting of the thread scheduling policy
186 to SCHED_OTHER when the parent thread has a different one.
188 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
190 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
191 _POSIX_ASYNCHRONOUS_IO.
193 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
195 * mutex.c: Implement new mutex types.
197 * internals.h: Include <signal.h>.
199 * libpthread.map: Add __erno_location and __h_errno_location.
201 * errno.c: Return pointer to variable actually in use. This might
202 not be the one in the thread structure.
203 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
205 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
206 of manager thread structure.
207 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
209 * pthread.c: Adapt initializer for thread structures.
210 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
211 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
212 current thread to global variables.
214 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
216 * rwlock.c: New file.
217 * Makefile (libpthread-routines): Add rwlock.
218 * sysdeps/pthread/pthread.h: Define data structures and declare
220 * libpthread.map: Add new functions.
222 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
224 * sysdeps/arm/pt-machine.h: New file; add ARM support.
225 * sysdeps/arm/Implies: likewise.
226 * README: Document it.
228 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
230 * signals.c: Remove unneeded initializer for sigwaited, saving a
233 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
235 * semaphore.c (sem_init): Set sem_spinlock only if available.
237 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
239 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
240 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
242 * Makefile: Update from LinuxThreads 0.7.
243 * internals.h. Likewise.
244 * manager.c: Likewise.
246 * pthread.c: Likewise.
247 * signals.c: Likewise.
248 * specific.c: Likewise.
249 * Examples/ex3.c: Likewise.
251 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
253 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
256 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
258 * wrapsyscall.c: Add socket functions which are also cancelation
261 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
263 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
264 New functions for fast thread specific data within libc.
266 * internals.h: Add new array p_libc_specific to struct
267 _pthread_descr_struct.
269 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
271 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
273 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
274 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
276 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
278 * internals.h (struct _pthread_descr_struct): Add definitions for
279 two-level specific key handling.
280 * manager.c (pthread_handle_create): Initialize specific memory array.
281 * specific.c: Implement two-level key handling.
282 * weaks.c: Don't provide dummy key handling.
283 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
284 Add definition of __libc_key_t.
285 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
287 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
288 PTHREAD_DESTRUCTOR_ITERATIONS.
290 * manager.c (pthread_handle_create): Compare mmap result with
293 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
294 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
296 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
298 sysdeps/sparc -> sysdeps/sparc/sparc32
299 sysdeps/sparc64 -> sysdeps/sparc/sparc64
301 * internals.h: Change definition of THREAD_SELF to be an expression,
302 not a statement that did a return.
303 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
304 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
305 Follow Solaris and use a "system reserved" register (%g6) to hold
306 the thread descriptor.
307 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
309 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
311 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
312 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
313 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
315 * semaphore.c: Include spinlock.h only when needed.
317 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
318 keys for entries not in use.
320 * weaks.c: Implement key handling functions for real.
322 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
324 Initial sparc64-linux support:
325 * linuxthreads/sysdeps/sparc64/Implies: New file.
326 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
328 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
330 * semaphore.c: Include spinlock.h at correct place.
333 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
335 The Great Bit File Move:
336 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
337 * sysdeps/powerpc/semaphorebits.h: Likewise.
338 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
339 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
340 * sysdeps/pthread/libc-lock.h: -> bits/
341 * sysdeps/pthread/stdio-lock.h: Likewise.
342 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
343 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
344 * semaphore.h: Likewise.
345 * sysdeps/pthread/pthread.h: Likewise.
347 * lockfile.c: <foo.h> -> <bits/foo.h>.
348 * semaphore.h: Likewise.
350 * Makefile: (headers): foo.h -> bits/foo.h.
351 * sysdeps/pthread/Makefile: Likewise.
353 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
355 * semaphore.c (sem_init): Set sem_spinlock only if available.
357 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
360 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
362 Update from LinuxThreads 0.6.
364 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
365 and __sched_get_priority_min instead of names without `__'.
367 * manager.c: Rewrite large parts to implement opaque pthread_t.
369 * cancel.c: Adapt for opaque pthread_t type.
370 * condvar.c: Likewise.
374 * pthread.c: Likewise.
375 * signals.c: Likewise.
376 * specific.c: Likewise.
377 * restart.h: Likewise.
379 * Examples/ex3.c: Likewise.
380 * Examples/ex4.c: Likewise.
381 * sysdeps/pthread/pthread.h: Likewise.
383 * pthread.c: Accumulate time for all threads in thread manager.
385 * semaphore.c: Implement fallback implementation for architectures
386 sometimes missing compare-exchange operations.
388 * cancel.c (pthread_cancel): Validate handle argument.
389 * join.c (pthread_join): Likewise.
390 (pthread_detach): Likewise.
391 * signals.c (pthread_kill): Likewise.
393 * spinlock.h (acquire): Use __sched_yield not sched_yield.
395 * queue.h (enqueue): Enqueue thread according to priority.
397 * internals.c (struct pthread_start_args): New struct for passing
398 args to cloning function.
399 (struct _pthread): Rename to _pthread_descr_struct and adapt for
402 * Examples/Makefile (clean): Pass -f option to rm.
404 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
405 and define TEST_FOR_COMPARE_AND_SWAP.
406 * sysdeps/i386/i486/pt-machine.h: Removed.
408 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
411 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
413 * restart.h (suspend): Clear p_signal before suspending.
414 (suspend_with_cancellation): Likewise.
415 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
417 * weaks.c: Make __pthread_key_create return 1.
418 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
419 __libc_getspecific, __libc_setspecific, and __libc_key_t.
420 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
423 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
425 * sysdeps/sparc/pt-machine (RELEASE): Fix.
427 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
429 * sysdeps/powerpc/Implies: Added.
430 * sysdeps/powerpc/pt-machine.h: Added.
431 * sysdeps/powerpc/semaphorebits.h: Added.
433 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
435 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
437 (__pthread_manager_thread): Likewise.
438 Reported by Andreas Jaeger.
440 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
442 Since sigset_t no longer fits in a register, we can't pass in the
443 thread's initial mask so easily. Take this opportunity to simplify
444 the clone implementation by only accepting a single void* argument.
446 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
447 in the thread struct instead of as arguments through clone.
448 (pthread_start_thread): Look for them there.
449 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
450 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
451 * linuxthreads/pthread.c (pthread_initialize_manager): Revise