1 1998-07-29 Xavier Leroy <Xavier.Leroy@inria.fr>
3 * Banner: Bump version number to 0.8
4 * FAQ.html: Many updates, in particular w.r.t. debugging.
5 * manager.c: Support for non-default stacksize for
6 LinuxThreads-allocated stacks;
7 don't use guard pages for stacks with default size, rely on
8 rlimit(RLIMIT_STACK) instead (it's cheaper).
10 * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
11 everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
12 * condvar.c: Likewise.
13 * internals.h: Likewise.
14 * restart.h: Likewise.
15 * signals.c: Likewise.
16 * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
18 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
20 * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
21 __pthread_mutexattr_[sg]ettype. Add more weak aliases.
22 * Versions: Put __pthread_mutexattr_settype under version
23 GLIBC_2.0. Don't export __pthread_mutexattr_setkind_np and
24 __pthread_mutexattr_gettype.
26 1998-07-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
28 * sysdeps/pthread/bits/libc-lock.h: Make
29 __pthread_mutexattr_settype weak. Don't make
30 __pthread_mutexattr_setkind_np weak.
32 1998-07-16 10:52 Ulrich Drepper <drepper@cygnus.com>
34 * manager.c (pthread_handle_create): Check whether sched_setscheduler
35 call can succeed here.
37 * mutex.c: Define __pthread_mutexattr_settype and make
38 __pthread_mutexattr_setkind_np an alias.
39 Likewise for __pthread_mutexattr_gettype.
41 1998-07-15 11:00 -0400 Zack Weinberg <zack@rabi.phys.columbia.edu>
43 * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
46 1998-07-14 19:38 Ulrich Drepper <drepper@cygnus.com>
48 * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
50 1998-07-11 Andreas Jaeger <aj@arthur.rhein-neckar.de>
52 * Examples/ex6.c: Include <unistd.h> for usleep.
54 1998-06-13 11:04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
56 * Examples/ex4.c (main): Use exit, not pthread_exit.
58 1998-07-09 13:39 Ulrich Drepper <drepper@cygnus.com>
60 * Versions: Add __pthread_mutexattr_gettype and
61 __pthread_mutexattr_settype.
62 * lockfile.c: Use __pthread_mutexattr_settype instead of
63 __pthread_mutexattr_setkind_np.
64 * mutex.c: Define __pthread_mutexattr_gettype and
65 __pthread_mutexattr_settype.
67 * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
68 __pthread_mutexattr_settype.
69 * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
70 Use __pthread_mutexattr_settype.
72 1998-07-08 22:26 Ulrich Drepper <drepper@cygnus.com>
74 * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
75 * mutex.c: Define weak alias pthread_mutexattr_gettype and
76 pthread_mutexattr_settype.
77 * sysdeps/pthread/pthread.h: Declare these functions.
78 Move pthread_sigmask and pthread_kill declaration in separate header.
79 * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
81 1998-07-07 15:20 Ulrich Drepper <drepper@cygnus.com>
83 * Makefile: Add rules to compile and run tests.
84 * Examples/ex1.c: Little changes to fix warnings.
85 * Examples/ex2.c: Likewise.
86 * Examples/ex3.c: Likewise.
87 * Examples/ex4.c: Likewise.
88 * Examples/ex5.c: Likewise.
89 * Examples/ex6.c: New file.
91 1998-07-05 11:54 Ulrich Drepper <drepper@cygnus.com>
93 * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
95 1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
97 * attr.c: Include <string.h>.
99 1998-06-30 11:47 Ulrich Drepper <drepper@cygnus.com>
101 * attr.c: Include errno.h. Use memcpy to copy sched_param.
102 * internals.h: Include limits.h.
103 * manager.c: Use memcpy to copy sched_param.
104 * ptfork.c: Include errno.h.
105 * pthread.c: Likewise.
106 * semaphore.c: Likewise.
107 * specific.c: Likewise.
108 * spinlock.h: Likewise.
109 * sysdeps/pthread/pthread.h: Include only allowed headers. Move
110 type definition to ...
111 * sysdeps/pthread/bits/pthreadtypes.h: ...here. New file.
113 1998-06-29 12:34 Ulrich Drepper <drepper@cygnus.com>
115 * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
117 * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
118 as macros as demanded in POSIX.1, Annex C.
120 1998-06-29 12:29 Ulrich Drepper <drepper@cygnus.com>
122 * internals.h (struct pthread_request): For free use pthread_t
123 instead of pthread_descr.
124 * join.c (pthread_join): Pass thread_id, not th to manager.
125 (pthread_detach): Likewise.
126 * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
127 (pthread_exited): Remove detached queue code.
128 (pthread_handle_free): Expect thread ID parameter and use it to
129 validate the thread decsriptor. Don't use detached queue.
130 Patches by Xavier Leroy.
132 1998-06-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
134 * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
135 _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
136 __pthread_atfork, __pthread_key_create, __pthread_once.
137 * internals.h: Doc fix.
138 * pthread.c (__pthread_initialize): Define again.
140 1998-06-26 Ulrich Drepper <drepper@cygnus.com>
142 * manager.c (pthread_exited): If thread is not detached put it on
144 (pthread_handle_free): If thread is not on list with living threads
145 search on list with detached threads.
147 * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
148 for new definition of pthread_rwlock_t.
150 * spinlock.c: Correct test whether to compile
151 __pthread_compare_and_swap or not.
153 1998-06-25 19:27 Ulrich Drepper <drepper@cygnus.com>
155 * attr.c: Finish user stack support. Change locking code to be safe
156 in situations with different priorities.
157 * cancel.c: Likewise.
158 * condvar.c: Likewise.
159 * internals.h: Likewise.
161 * manager.c: Likewise.
163 * pthread.c: Likewise.
164 * ptlongjmp.c: Likewise.
166 * rwlock.c: Likewise.
167 * semaphore.c: Likewise.
168 * semaphore.h: Likewise.
169 * signals.c: Likewise.
170 * spinlock.c: Likewise.
171 * spinlock.h: Likewise.
172 * sysdeps/pthread/pthread.h: Likewise.
173 Patches by Xavier Leroy.
175 * sysdeps/i386/i686/pt-machine.h: New file.
177 1998-06-25 Ulrich Drepper <drepper@cygnus.com>
179 * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
180 [sg]et_stackaddr prototypes always available.
182 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
183 _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
185 1998-06-24 Ulrich Drepper <drepper@cygnus.com>
187 * manager.c (pthread_free): Undo patch from 980430.
188 Reported by David Wragg <dpw@doc.ic.ac.uk>.
190 1998-06-09 15:07 Ulrich Drepper <drepper@cygnus.com>
192 * manager.c: Define __pthread_manager_adjust_prio and use it to
193 increase priority when needed.
194 * internals.h: Add prototype for __pthread_manager_adjust_prio.
195 * mutex.c: Optimize mutexes to wake up only one thread.
196 * pthread.c: Move PID of manager for global variable in structure
198 Patches by Xavier Leroy.
200 1998-06-07 13:47 Ulrich Drepper <drepper@cygnus.com>
202 * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
204 1998-06-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
206 * attr.c: Correct typo.
208 1998-05-01 Ulrich Drepper <drepper@cygnus.com>
210 * manager.c (pthread_free): Unmap guard before the stack.
211 Patch by Matthias Urlichs.
213 1998-04-30 Ulrich Drepper <drepper@cygnus.com>
215 * manager.c (pthread_free): Detect already free child.
216 Patch by Xavier Leroy, reported by Matthias Urlichs.
218 1998-04-23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
220 * Makefile (linuxthreads-version): Renamed back from
223 1998-04-21 Ulrich Drepper <drepper@cygnus.com>
225 * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
228 1998-04-20 14:55 Ulrich Drepper <drepper@cygnus.com>
230 * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
231 * internals.h: Add definitions for new spinlock implementation.
232 * ptlongjmp.c: New file.
233 * spinlock.c: New file.
234 * spinlock.h (acquire): Don't reschedule using __sched_yield, use
235 new function __pthread_acquire to prevent deadlocks with thread
236 with different priorities.
237 Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
239 1998-03-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
241 * manager.c (__pthread_manager): Reduce first argument to select
242 to include just the needed file descriptor.
244 1998-03-17 00:06 Ulrich Drepper <drepper@cygnus.com>
246 * manager.c: Fix last patch which caused core dumps.
248 * pthread.c: Correctly handle missing SIGRTMIN.
250 1998-03-15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
252 * libpthread.map: Add __libc_internal_tsd_get and
253 __libc_internal_tsd_set. Add missing cancelable functions. Export
254 libc internal versions of the cancelable functions.
256 1998-03-13 16:51 Ulrich Drepper <drepper@cygnus.com>
258 * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
260 1998-03-13 00:46 Ulrich Drepper <drepper@cygnus.com>
262 * attr.c: Implement pthread_attr_[gs]etguardsize,
263 pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
264 Change pthread_attr_init to have two interfaces.
265 * internals.h (struct _pthread_descr_struct): Add new fields for
267 * libpthread.map: Add names in GLIBC_2.1 section.
268 * manager.c (pthread_handle_create): Implement guardsize and
270 (pthread_free): Likewise.
271 * pthread.c (pthread_create): Add new interface for changed
273 * sysdeps/pthread/pthread.h: Add prototypes for new functions.
274 * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
277 1998-03-11 00:42 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
279 * manager.c: Enable resetting of the thread scheduling policy
280 to SCHED_OTHER when the parent thread has a different one.
282 1998-02-01 13:51 Ulrich Drepper <drepper@cygnus.com>
284 * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
285 _POSIX_ASYNCHRONOUS_IO.
287 * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
289 * mutex.c: Implement new mutex types.
291 * internals.h: Include <signal.h>.
293 * libpthread.map: Add __erno_location and __h_errno_location.
295 * errno.c: Return pointer to variable actually in use. This might
296 not be the one in the thread structure.
297 * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
299 * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
300 of manager thread structure.
301 (pthread_handle_create): Set p_errnop and p_h_errnop members for new
303 * pthread.c: Adapt initializer for thread structures.
304 (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
305 (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
306 current thread to global variables.
308 1998-01-31 17:27 Ulrich Drepper <drepper@cygnus.com>
310 * rwlock.c: New file.
311 * Makefile (libpthread-routines): Add rwlock.
312 * sysdeps/pthread/pthread.h: Define data structures and declare
314 * libpthread.map: Add new functions.
316 1997-12-18 13:50 Philip Blundell <pb@nexus.co.uk>
318 * sysdeps/arm/pt-machine.h: New file; add ARM support.
319 * sysdeps/arm/Implies: likewise.
320 * README: Document it.
322 1997-12-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
324 * signals.c: Remove unneeded initializer for sigwaited, saving a
327 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
329 * semaphore.c (sem_init): Set sem_spinlock only if available.
331 1997-12-04 01:48 Ulrich Drepper <drepper@cygnus.com>
333 * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
334 * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
336 * Makefile: Update from LinuxThreads 0.7.
337 * internals.h. Likewise.
338 * manager.c: Likewise.
340 * pthread.c: Likewise.
341 * signals.c: Likewise.
342 * specific.c: Likewise.
343 * Examples/ex3.c: Likewise.
345 1997-11-20 18:13 Ulrich Drepper <drepper@cygnus.com>
347 * pthread.c (__pthread_reset_main_thread): Close pipe only if still
350 1997-10-29 05:38 Ulrich Drepper <drepper@cygnus.com>
352 * wrapsyscall.c: Add socket functions which are also cancelation
355 1997-10-19 21:40 Wolfram Gloger <wg@wolfram.dent.med.uni-muenchen.de>
357 * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
358 New functions for fast thread specific data within libc.
360 * internals.h: Add new array p_libc_specific to struct
361 _pthread_descr_struct.
363 * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
365 1997-10-13 05:39 Ulrich Drepper <drepper@cygnus.com>
367 * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
368 Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
370 1997-08-29 03:05 Ulrich Drepper <drepper@cygnus.com>
372 * internals.h (struct _pthread_descr_struct): Add definitions for
373 two-level specific key handling.
374 * manager.c (pthread_handle_create): Initialize specific memory array.
375 * specific.c: Implement two-level key handling.
376 * weaks.c: Don't provide dummy key handling.
377 * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
378 Add definition of __libc_key_t.
379 * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
381 Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
382 PTHREAD_DESTRUCTOR_ITERATIONS.
384 * manager.c (pthread_handle_create): Compare mmap result with
387 * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
388 * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
390 1997-08-22 19:04 Richard Henderson <rth@cygnus.com>
392 sysdeps/sparc -> sysdeps/sparc/sparc32
393 sysdeps/sparc64 -> sysdeps/sparc/sparc64
395 * internals.h: Change definition of THREAD_SELF to be an expression,
396 not a statement that did a return.
397 * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
398 * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
399 Follow Solaris and use a "system reserved" register (%g6) to hold
400 the thread descriptor.
401 * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
403 1997-08-03 00:09 Ulrich Drepper <drepper@cygnus.com>
405 * mutex.c: Correct pthread_once. Patch by Xavier Leroy.
406 * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
407 * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
409 * semaphore.c: Include spinlock.h only when needed.
411 * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
412 keys for entries not in use.
414 * weaks.c: Implement key handling functions for real.
416 1997-06-29 01:04 Richard Henderson <richard@gnu.ai.mit.edu>
418 Initial sparc64-linux support:
419 * linuxthreads/sysdeps/sparc64/Implies: New file.
420 * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
422 1997-06-29 00:48 Ulrich Drepper <drepper@cygnus.com>
424 * semaphore.c: Include spinlock.h at correct place.
427 1997-06-13 10:06 Richard Henderson <rth@tamu.edu>
429 The Great Bit File Move:
430 * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
431 * sysdeps/powerpc/semaphorebits.h: Likewise.
432 * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
433 * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
434 * sysdeps/pthread/libc-lock.h: -> bits/
435 * sysdeps/pthread/stdio-lock.h: Likewise.
436 * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
437 * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
438 * semaphore.h: Likewise.
439 * sysdeps/pthread/pthread.h: Likewise.
441 * lockfile.c: <foo.h> -> <bits/foo.h>.
442 * semaphore.h: Likewise.
444 * Makefile: (headers): foo.h -> bits/foo.h.
445 * sysdeps/pthread/Makefile: Likewise.
447 1997-04-11 01:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
449 * semaphore.c (sem_init): Set sem_spinlock only if available.
451 * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
454 1997-04-09 03:00 Ulrich Drepper <drepper@cygnus.com>
456 Update from LinuxThreads 0.6.
458 * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
459 and __sched_get_priority_min instead of names without `__'.
461 * manager.c: Rewrite large parts to implement opaque pthread_t.
463 * cancel.c: Adapt for opaque pthread_t type.
464 * condvar.c: Likewise.
468 * pthread.c: Likewise.
469 * signals.c: Likewise.
470 * specific.c: Likewise.
471 * restart.h: Likewise.
473 * Examples/ex3.c: Likewise.
474 * Examples/ex4.c: Likewise.
475 * sysdeps/pthread/pthread.h: Likewise.
477 * pthread.c: Accumulate time for all threads in thread manager.
479 * semaphore.c: Implement fallback implementation for architectures
480 sometimes missing compare-exchange operations.
482 * cancel.c (pthread_cancel): Validate handle argument.
483 * join.c (pthread_join): Likewise.
484 (pthread_detach): Likewise.
485 * signals.c (pthread_kill): Likewise.
487 * spinlock.h (acquire): Use __sched_yield not sched_yield.
489 * queue.h (enqueue): Enqueue thread according to priority.
491 * internals.c (struct pthread_start_args): New struct for passing
492 args to cloning function.
493 (struct _pthread): Rename to _pthread_descr_struct and adapt for
496 * Examples/Makefile (clean): Pass -f option to rm.
498 * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
499 and define TEST_FOR_COMPARE_AND_SWAP.
500 * sysdeps/i386/i486/pt-machine.h: Removed.
502 * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
505 1997-04-04 16:38 Ulrich Drepper <drepper@cygnus.com>
507 * restart.h (suspend): Clear p_signal before suspending.
508 (suspend_with_cancellation): Likewise.
509 Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
511 * weaks.c: Make __pthread_key_create return 1.
512 * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
513 __libc_getspecific, __libc_setspecific, and __libc_key_t.
514 * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
517 1997-03-19 15:13 Miguel de Icaza <miguel@nuclecu.unam.mx>
519 * sysdeps/sparc/pt-machine (RELEASE): Fix.
521 1997-03-01 07:55 Geoff Keating <geoffk@ozemail.com.au>
523 * sysdeps/powerpc/Implies: Added.
524 * sysdeps/powerpc/pt-machine.h: Added.
525 * sysdeps/powerpc/semaphorebits.h: Added.
527 1997-01-22 01:22 Ulrich Drepper <drepper@cygnus.com>
529 * linuxtheads/pthread.c (__pthread_initial_thread): Correct
531 (__pthread_manager_thread): Likewise.
532 Reported by Andreas Jaeger.
534 1997-01-18 22:15 Richard Henderson <rth@tamu.edu>
536 Since sigset_t no longer fits in a register, we can't pass in the
537 thread's initial mask so easily. Take this opportunity to simplify
538 the clone implementation by only accepting a single void* argument.
540 * linuxthreads/manager.c (__pthread_manager): Put thread vitals
541 in the thread struct instead of as arguments through clone.
542 (pthread_start_thread): Look for them there.
543 * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
544 p_initial_fn_arg, p_initial_mask. Fix __pthread_manager proto.
545 * linuxthreads/pthread.c (pthread_initialize_manager): Revise