1 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
3 * manager.c (pthread_exited): If thread is not detached put it on
5 (pthread_handle_free): If thread is not on list with living threads
6 search on list with detached threads.
8 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
9 for new definition of pthread_rwlock_t.
11 * spinlock.c: Correct test whether to compile
12 __pthread_compare_and_swap or not.
14 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
16 * attr.c: Finish user stack support. Change locking code to be safe
17 in situations with different priorities.
19 * condvar.c: Likewise.
20 * internals.h: Likewise.
22 * manager.c: Likewise.
24 * pthread.c: Likewise.
25 * ptlongjmp.c: Likewise.
28 * semaphore.c: Likewise.
29 * semaphore.h: Likewise.
30 * signals.c: Likewise.
31 * spinlock.c: Likewise.
32 * spinlock.h: Likewise.
33 * sysdeps/pthread/pthread.h: Likewise.
34 Patches by Xavier Leroy.
36 * sysdeps/i386/i686/pt-machine.h: New file.
38 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
40 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
41 [sg]et_stackaddr prototypes always available.
43 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
44 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
46 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
48 * manager.c (pthread_free): Undo patch from 980430.
49 Reported by David Wragg <dpw@doc.ic.ac.uk>.
51 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
53 * manager.c: Define __pthread_manager_adjust_prio and use it to
54 increase priority when needed.
55 * internals.h: Add prototype for __pthread_manager_adjust_prio.
56 * mutex.c: Optimize mutexes to wake up only one thread.
57 * pthread.c: Move PID of manager for global variable in structure
59 Patches by Xavier Leroy.
61 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
63 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
65 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
67 * attr.c: Correct typo.
69 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
71 * manager.c (pthread_free): Unmap guard before the stack.
72 Patch by Matthias Urlichs.
74 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
76 * manager.c (pthread_free): Detect already free child.
77 Patch by Xavier Leroy, reported by Matthias Urlichs.
79 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
81 * Makefile (linuxthreads-version): Renamed back from
84 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
86 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
89 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
91 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
92 * internals.h: Add definitions for new spinlock implementation.
93 * ptlongjmp.c: New file.
94 * spinlock.c: New file.
95 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
96 new function __pthread_acquire to prevent deadlocks with thread
97 with different priorities.
98 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
100 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
102 * manager.c (__pthread_manager): Reduce first argument to select
103 to include just the needed file descriptor.
105 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
107 * manager.c: Fix last patch which caused core dumps.
109 * pthread.c: Correctly handle missing SIGRTMIN.
111 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
113 * libpthread.map: Add __libc_internal_tsd_get and
114 __libc_internal_tsd_set. Add missing cancelable functions. Export
115 libc internal versions of the cancelable functions.
117 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
119 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
121 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
123 * attr.c: Implement pthread_attr_[gs]etguardsize,
124 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
125 Change pthread_attr_init to have two interfaces.
126 * internals.h (struct _pthread_descr_struct): Add new fields for
128 * libpthread.map: Add names in GLIBC_2.1 section.
129 * manager.c (pthread_handle_create): Implement guardsize and
131 (pthread_free): Likewise.
132 * pthread.c (pthread_create): Add new interface for changed
134 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
135 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
138 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
140 * manager.c: Enable resetting of the thread scheduling policy
141 to SCHED_OTHER when the parent thread has a different one.
143 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
145 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
146 _POSIX_ASYNCHRONOUS_IO.
148 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
150 * mutex.c: Implement new mutex types.
152 * internals.h: Include <signal.h>.
154 * libpthread.map: Add __erno_location and __h_errno_location.
156 * errno.c: Return pointer to variable actually in use. This might
157 not be the one in the thread structure.
158 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
160 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
161 of manager thread structure.
162 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
164 * pthread.c: Adapt initializer for thread structures.
165 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
166 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
167 current thread to global variables.
169 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
171 * rwlock.c: New file.
172 * Makefile (libpthread-routines): Add rwlock.
173 * sysdeps/pthread/pthread.h: Define data structures and declare
175 * libpthread.map: Add new functions.
177 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
179 * sysdeps/arm/pt-machine.h: New file; add ARM support.
180 * sysdeps/arm/Implies: likewise.
181 * README: Document it.
183 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
185 * signals.c: Remove unneeded initializer for sigwaited, saving a
188 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
190 * semaphore.c (sem_init): Set sem_spinlock only if available.
192 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
194 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
195 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
197 * Makefile: Update from LinuxThreads 0.7.
198 * internals.h. Likewise.
199 * manager.c: Likewise.
201 * pthread.c: Likewise.
202 * signals.c: Likewise.
203 * specific.c: Likewise.
204 * Examples/ex3.c: Likewise.
206 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
208 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
211 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
213 * wrapsyscall.c: Add socket functions which are also cancelation
216 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
218 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
219 New functions for fast thread specific data within libc.
221 * internals.h: Add new array p_libc_specific to struct
222 _pthread_descr_struct.
224 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
226 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
228 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
229 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
231 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
233 * internals.h (struct _pthread_descr_struct): Add definitions for
234 two-level specific key handling.
235 * manager.c (pthread_handle_create): Initialize specific memory array.
236 * specific.c: Implement two-level key handling.
237 * weaks.c: Don't provide dummy key handling.
238 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
239 Add definition of __libc_key_t.
240 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
242 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
243 PTHREAD_DESTRUCTOR_ITERATIONS.
245 * manager.c (pthread_handle_create): Compare mmap result with
248 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
249 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
251 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
253 sysdeps/sparc -> sysdeps/sparc/sparc32
254 sysdeps/sparc64 -> sysdeps/sparc/sparc64
256 * internals.h: Change definition of THREAD_SELF to be an expression,
257 not a statement that did a return.
258 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
259 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
260 Follow Solaris and use a "system reserved" register (%g6) to hold
261 the thread descriptor.
262 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
264 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
266 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
267 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
268 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
270 * semaphore.c: Include spinlock.h only when needed.
272 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
273 keys for entries not in use.
275 * weaks.c: Implement key handling functions for real.
277 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
279 Initial sparc64-linux support:
280 * linuxthreads/sysdeps/sparc64/Implies: New file.
281 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
283 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
285 * semaphore.c: Include spinlock.h at correct place.
288 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
290 The Great Bit File Move:
291 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
292 * sysdeps/powerpc/semaphorebits.h: Likewise.
293 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
294 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
295 * sysdeps/pthread/libc-lock.h: -> bits/
296 * sysdeps/pthread/stdio-lock.h: Likewise.
297 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
298 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
299 * semaphore.h: Likewise.
300 * sysdeps/pthread/pthread.h: Likewise.
302 * lockfile.c: <foo.h> -> <bits/foo.h>.
303 * semaphore.h: Likewise.
305 * Makefile: (headers): foo.h -> bits/foo.h.
306 * sysdeps/pthread/Makefile: Likewise.
308 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
310 * semaphore.c (sem_init): Set sem_spinlock only if available.
312 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
315 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
317 Update from LinuxThreads 0.6.
319 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
320 and __sched_get_priority_min instead of names without `__'.
322 * manager.c: Rewrite large parts to implement opaque pthread_t.
324 * cancel.c: Adapt for opaque pthread_t type.
325 * condvar.c: Likewise.
329 * pthread.c: Likewise.
330 * signals.c: Likewise.
331 * specific.c: Likewise.
332 * restart.h: Likewise.
334 * Examples/ex3.c: Likewise.
335 * Examples/ex4.c: Likewise.
336 * sysdeps/pthread/pthread.h: Likewise.
338 * pthread.c: Accumulate time for all threads in thread manager.
340 * semaphore.c: Implement fallback implementation for architectures
341 sometimes missing compare-exchange operations.
343 * cancel.c (pthread_cancel): Validate handle argument.
344 * join.c (pthread_join): Likewise.
345 (pthread_detach): Likewise.
346 * signals.c (pthread_kill): Likewise.
348 * spinlock.h (acquire): Use __sched_yield not sched_yield.
350 * queue.h (enqueue): Enqueue thread according to priority.
352 * internals.c (struct pthread_start_args): New struct for passing
353 args to cloning function.
354 (struct _pthread): Rename to _pthread_descr_struct and adapt for
357 * Examples/Makefile (clean): Pass -f option to rm.
359 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
360 and define TEST_FOR_COMPARE_AND_SWAP.
361 * sysdeps/i386/i486/pt-machine.h: Removed.
363 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
366 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
368 * restart.h (suspend): Clear p_signal before suspending.
369 (suspend_with_cancellation): Likewise.
370 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
372 * weaks.c: Make __pthread_key_create return 1.
373 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
374 __libc_getspecific, __libc_setspecific, and __libc_key_t.
375 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
378 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
380 * sysdeps/sparc/pt-machine (RELEASE): Fix.
382 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
384 * sysdeps/powerpc/Implies: Added.
385 * sysdeps/powerpc/pt-machine.h: Added.
386 * sysdeps/powerpc/semaphorebits.h: Added.
388 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
390 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
392 (__pthread_manager_thread): Likewise.
393 Reported by Andreas Jaeger.
395 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
397 Since sigset_t no longer fits in a register, we can't pass in the
398 thread's initial mask so easily. Take this opportunity to simplify
399 the clone implementation by only accepting a single void* argument.
401 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
402 in the thread struct instead of as arguments through clone.
403 (pthread_start_thread): Look for them there.
404 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
405 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
406 * linuxthreads/pthread.c (pthread_initialize_manager): Revise