1 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
3 * attr.c: Include errno.h. Use memcpy to copy sched_param.
4 * internals.h: Include limits.h.
5 * manager.c: Use memcpy to copy sched_param.
6 * ptfork.c: Include errno.h.
8 * semaphore.c: Likewise.
9 * specific.c: Likewise.
10 * spinlock.h: Likewise.
11 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
12 type definition to ...
13 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
15 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
17 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
19 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
20 as macros as demanded in POSIX.1, Annex C.
22 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
24 * internals.h (struct pthread_request): For free use pthread_t
25 instead of pthread_descr.
26 * join.c (pthread_join): Pass thread_id, not th to manager.
27 (pthread_detach): Likewise.
28 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
29 (pthread_exited): Remove detached queue code.
30 (pthread_handle_free): Expect thread ID parameter and use it to
31 validate the thread decsriptor. Don't use detached queue.
32 Patches by Xavier Leroy.
34 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
36 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
37 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
38 __pthread_atfork, __pthread_key_create, __pthread_once.
39 * internals.h: Doc fix.
40 * pthread.c (__pthread_initialize): Define again.
42 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
44 * manager.c (pthread_exited): If thread is not detached put it on
46 (pthread_handle_free): If thread is not on list with living threads
47 search on list with detached threads.
49 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
50 for new definition of pthread_rwlock_t.
52 * spinlock.c: Correct test whether to compile
53 __pthread_compare_and_swap or not.
55 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
57 * attr.c: Finish user stack support. Change locking code to be safe
58 in situations with different priorities.
60 * condvar.c: Likewise.
61 * internals.h: Likewise.
63 * manager.c: Likewise.
65 * pthread.c: Likewise.
66 * ptlongjmp.c: Likewise.
69 * semaphore.c: Likewise.
70 * semaphore.h: Likewise.
71 * signals.c: Likewise.
72 * spinlock.c: Likewise.
73 * spinlock.h: Likewise.
74 * sysdeps/pthread/pthread.h: Likewise.
75 Patches by Xavier Leroy.
77 * sysdeps/i386/i686/pt-machine.h: New file.
79 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
81 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
82 [sg]et_stackaddr prototypes always available.
84 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
85 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
87 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
89 * manager.c (pthread_free): Undo patch from 980430.
90 Reported by David Wragg <dpw@doc.ic.ac.uk>.
92 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
94 * manager.c: Define __pthread_manager_adjust_prio and use it to
95 increase priority when needed.
96 * internals.h: Add prototype for __pthread_manager_adjust_prio.
97 * mutex.c: Optimize mutexes to wake up only one thread.
98 * pthread.c: Move PID of manager for global variable in structure
100 Patches by Xavier Leroy.
102 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
104 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
106 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
108 * attr.c: Correct typo.
110 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
112 * manager.c (pthread_free): Unmap guard before the stack.
113 Patch by Matthias Urlichs.
115 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
117 * manager.c (pthread_free): Detect already free child.
118 Patch by Xavier Leroy, reported by Matthias Urlichs.
120 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
122 * Makefile (linuxthreads-version): Renamed back from
125 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
127 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
130 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
132 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
133 * internals.h: Add definitions for new spinlock implementation.
134 * ptlongjmp.c: New file.
135 * spinlock.c: New file.
136 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
137 new function __pthread_acquire to prevent deadlocks with thread
138 with different priorities.
139 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
141 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
143 * manager.c (__pthread_manager): Reduce first argument to select
144 to include just the needed file descriptor.
146 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
148 * manager.c: Fix last patch which caused core dumps.
150 * pthread.c: Correctly handle missing SIGRTMIN.
152 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
154 * libpthread.map: Add __libc_internal_tsd_get and
155 __libc_internal_tsd_set. Add missing cancelable functions. Export
156 libc internal versions of the cancelable functions.
158 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
160 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
162 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
164 * attr.c: Implement pthread_attr_[gs]etguardsize,
165 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
166 Change pthread_attr_init to have two interfaces.
167 * internals.h (struct _pthread_descr_struct): Add new fields for
169 * libpthread.map: Add names in GLIBC_2.1 section.
170 * manager.c (pthread_handle_create): Implement guardsize and
172 (pthread_free): Likewise.
173 * pthread.c (pthread_create): Add new interface for changed
175 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
176 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
179 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
181 * manager.c: Enable resetting of the thread scheduling policy
182 to SCHED_OTHER when the parent thread has a different one.
184 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
186 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
187 _POSIX_ASYNCHRONOUS_IO.
189 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
191 * mutex.c: Implement new mutex types.
193 * internals.h: Include <signal.h>.
195 * libpthread.map: Add __erno_location and __h_errno_location.
197 * errno.c: Return pointer to variable actually in use. This might
198 not be the one in the thread structure.
199 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
201 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
202 of manager thread structure.
203 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
205 * pthread.c: Adapt initializer for thread structures.
206 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
207 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
208 current thread to global variables.
210 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
212 * rwlock.c: New file.
213 * Makefile (libpthread-routines): Add rwlock.
214 * sysdeps/pthread/pthread.h: Define data structures and declare
216 * libpthread.map: Add new functions.
218 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
220 * sysdeps/arm/pt-machine.h: New file; add ARM support.
221 * sysdeps/arm/Implies: likewise.
222 * README: Document it.
224 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
226 * signals.c: Remove unneeded initializer for sigwaited, saving a
229 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
231 * semaphore.c (sem_init): Set sem_spinlock only if available.
233 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
235 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
236 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
238 * Makefile: Update from LinuxThreads 0.7.
239 * internals.h. Likewise.
240 * manager.c: Likewise.
242 * pthread.c: Likewise.
243 * signals.c: Likewise.
244 * specific.c: Likewise.
245 * Examples/ex3.c: Likewise.
247 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
249 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
252 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
254 * wrapsyscall.c: Add socket functions which are also cancelation
257 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
259 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
260 New functions for fast thread specific data within libc.
262 * internals.h: Add new array p_libc_specific to struct
263 _pthread_descr_struct.
265 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
267 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
269 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
270 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
272 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
274 * internals.h (struct _pthread_descr_struct): Add definitions for
275 two-level specific key handling.
276 * manager.c (pthread_handle_create): Initialize specific memory array.
277 * specific.c: Implement two-level key handling.
278 * weaks.c: Don't provide dummy key handling.
279 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
280 Add definition of __libc_key_t.
281 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
283 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
284 PTHREAD_DESTRUCTOR_ITERATIONS.
286 * manager.c (pthread_handle_create): Compare mmap result with
289 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
290 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
292 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
294 sysdeps/sparc -> sysdeps/sparc/sparc32
295 sysdeps/sparc64 -> sysdeps/sparc/sparc64
297 * internals.h: Change definition of THREAD_SELF to be an expression,
298 not a statement that did a return.
299 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
300 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
301 Follow Solaris and use a "system reserved" register (%g6) to hold
302 the thread descriptor.
303 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
305 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
307 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
308 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
309 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
311 * semaphore.c: Include spinlock.h only when needed.
313 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
314 keys for entries not in use.
316 * weaks.c: Implement key handling functions for real.
318 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
320 Initial sparc64-linux support:
321 * linuxthreads/sysdeps/sparc64/Implies: New file.
322 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
324 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
326 * semaphore.c: Include spinlock.h at correct place.
329 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
331 The Great Bit File Move:
332 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
333 * sysdeps/powerpc/semaphorebits.h: Likewise.
334 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
335 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
336 * sysdeps/pthread/libc-lock.h: -> bits/
337 * sysdeps/pthread/stdio-lock.h: Likewise.
338 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
339 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
340 * semaphore.h: Likewise.
341 * sysdeps/pthread/pthread.h: Likewise.
343 * lockfile.c: <foo.h> -> <bits/foo.h>.
344 * semaphore.h: Likewise.
346 * Makefile: (headers): foo.h -> bits/foo.h.
347 * sysdeps/pthread/Makefile: Likewise.
349 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
351 * semaphore.c (sem_init): Set sem_spinlock only if available.
353 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
356 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
358 Update from LinuxThreads 0.6.
360 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
361 and __sched_get_priority_min instead of names without `__'.
363 * manager.c: Rewrite large parts to implement opaque pthread_t.
365 * cancel.c: Adapt for opaque pthread_t type.
366 * condvar.c: Likewise.
370 * pthread.c: Likewise.
371 * signals.c: Likewise.
372 * specific.c: Likewise.
373 * restart.h: Likewise.
375 * Examples/ex3.c: Likewise.
376 * Examples/ex4.c: Likewise.
377 * sysdeps/pthread/pthread.h: Likewise.
379 * pthread.c: Accumulate time for all threads in thread manager.
381 * semaphore.c: Implement fallback implementation for architectures
382 sometimes missing compare-exchange operations.
384 * cancel.c (pthread_cancel): Validate handle argument.
385 * join.c (pthread_join): Likewise.
386 (pthread_detach): Likewise.
387 * signals.c (pthread_kill): Likewise.
389 * spinlock.h (acquire): Use __sched_yield not sched_yield.
391 * queue.h (enqueue): Enqueue thread according to priority.
393 * internals.c (struct pthread_start_args): New struct for passing
394 args to cloning function.
395 (struct _pthread): Rename to _pthread_descr_struct and adapt for
398 * Examples/Makefile (clean): Pass -f option to rm.
400 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
401 and define TEST_FOR_COMPARE_AND_SWAP.
402 * sysdeps/i386/i486/pt-machine.h: Removed.
404 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
407 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
409 * restart.h (suspend): Clear p_signal before suspending.
410 (suspend_with_cancellation): Likewise.
411 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
413 * weaks.c: Make __pthread_key_create return 1.
414 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
415 __libc_getspecific, __libc_setspecific, and __libc_key_t.
416 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
419 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
421 * sysdeps/sparc/pt-machine (RELEASE): Fix.
423 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
425 * sysdeps/powerpc/Implies: Added.
426 * sysdeps/powerpc/pt-machine.h: Added.
427 * sysdeps/powerpc/semaphorebits.h: Added.
429 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
431 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
433 (__pthread_manager_thread): Likewise.
434 Reported by Andreas Jaeger.
436 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
438 Since sigset_t no longer fits in a register, we can't pass in the
439 thread's initial mask so easily. Take this opportunity to simplify
440 the clone implementation by only accepting a single void* argument.
442 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
443 in the thread struct instead of as arguments through clone.
444 (pthread_start_thread): Look for them there.
445 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
446 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
447 * linuxthreads/pthread.c (pthread_initialize_manager): Revise