linuxthreads/ChangeLog

   1 1999-01-05  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
   2
   3         * linuxthreads.texi: Remove pointers from first @node.  Move old
   4         @node spec inside comment.
   5
   6 1998-12-31  Ulrich Drepper  <drepper@cygnus.com>
   7
   8         * sysdeps/pthread/bits/stdio-lock.h: Define _IO_lock_lock and
   9         _IO_lock_unlock.
  10
  11 1998-12-29  Ulrich Drepper  <drepper@cygnus.com>
  12
  13         * semaphore.c (sem_trywait): Don't forget to unlock the semaphore
  14         lock.  Patch by Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>.
  15
  16 1998-12-21  Ulrich Drepper  <drepper@cygnus.com>
  17
  18         * manager.c: Threads now send __pthread_sig_cancel on termination.
  19         Change clone call and signal masks.
  20         * thread.c (pthread_handle_sigrestart): Remove special code for
  21         manager.
  22         (pthread_handle_sigcancel): In manager thread call
  23         __pthread_manager_sighandler.
  24         * sysdeps/i386/pt-machine.h (__compare_and_swap): Add memory clobber.
  25         * sysdeps/i386/i686/pt-machine.h: Likewise.
  26         Patches by Xavier Leroy.
  27
  28 1998-12-14  Ulrich Drepper  <drepper@cygnus.com>
  29
  30         * spinlock.c (__pthread_unlock): Don't crash if called for an
  31         untaken mutex.  Reported by Ruslan V. Brushkoff <rus@Snif.Te.Net.UA>.
  32
  33         * Examples/ex6.c: Unbuffer stdout and reduce sleep time to reduce
  34         overall runtime.
  35
  36 1998-12-13  Ulrich Drepper  <drepper@cygnus.com>
  37
  38         * Examples/ex3.c: Wait until all threads are started before
  39         searching for the number to avoid race condition on very fast
  40         systems.
  41
  42 1998-12-08  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
  43
  44         * sysdeps/pthread/pthread.h: Remove __pthread_setcanceltype
  45         declaration since it's not needed.
  46
  47         * sysdeps/pthread/pthread.h: Move internal functions to ...
  48         * internals.h: ...here.
  49
  50 1998-12-02  H.J. Lu  <hjl@gnu.org>
  51
  52         * pthread.c (__pthread_sig_restart): Initiliaze to 0 if
  53         SIGRTMIN is defined.
  54         (__pthread_sig_cancel): Likewise.
  55
  56 1998-12-01  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
  57
  58         * wrapsyscall.c: Include <sys/mman.h> for msync,
  59         <stdlib.h> for system and <termios.h> for tcdrain prototype.
  60         Correct msync declaration.
  61
  62 1998-11-29  Roland McGrath  <roland@baalperazim.frob.com>
  63
  64         * sysdeps/pthread/bits/libc-tsd.h (__libc_tsd_define, __libc_tsd_get,
  65         __libc_tsd_set): New macros for new interface.
  66         * no-tsd.c: New file, provide uninitialized defns of
  67         __libc_internal_tsd_get and __libc_internal_tsd_set.
  68         * Makefile (routines): Add no-tsd.
  69
  70 1998-10-12  Roland McGrath  <roland@baalperazim.frob.com>
  71
  72         * internals.h: Include <bits/libc-tsd.h>, not <bits/libc-lock.h>.
  73         * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
  74         __libc_internal_tsd_set): Move decls to ...
  75         * sysdeps/pthread/bits/libc-tsd.h: New file for __libc_internal_tsd_*
  76         declarations.
  77
  78         * sysdeps/pthread/bits/libc-lock.h (__libc_internal_tsd_get,
  79         __libc_internal_tsd_set): Make these pointers to functions, not
  80         functions; remove #pragma weak decls for them.
  81         * specific.c (__libc_internal_tsd_get, __libc_internal_tsd_set):
  82         Define static functions and initialized pointers to them.
  83
  84 1998-11-18  Ulrich Drepper  <drepper@cygnus.com>
  85
  86         * Makefile (CFLAGS-mutex.c): Define as -D__NO_WEAK_PTHREAD_ALIASES.
  87         (CFLAGS-specific.c): Likewise.
  88         (CFLAGS-pthread.c): Likewise.
  89         (CFLAGS-ptfork.c): Likewise.
  90         (CFLAGS-cancel.c): Likewise.
  91         * sysdeps/pthread/bits/libc-lock.h: Don't mark __pthread_* functions
  92         as weak references if __NO_WEAK_PTHREAD_ALIASES is defined.
  93
  94         * mutex.c (pthread_mutex_init): Define as strong symbol.
  95         (pthread_mutex_destroy): Likewise.
  96         (pthread_mutex_trylock): Likewise.
  97         (pthread_mutex_lock): Likewise.
  98         (pthread_mutex_unlock): Likewise.
  99         (pthread_mutexattr_init): Likewise.
 100         (pthread_mutexattr_destroy): Likewise.
 101         (pthread_once): Likewise.
 102         * ptfork.c (pthread_atfork): Likewise.
 103         * specific.c (pthread_key_create): Likewise.
 104         (pthread_setspecific): Likewise.
 105         (pthread_getspecific): Likewise.
 106
 107 1998-11-15  Andreas Schwab  <schwab@issan.cs.uni-dortmund.de>
 108
 109         * linuxthreads.texi: Fix punctuation after xref.
 110
 111 1998-11-10  H.J. Lu  <hjl@gnu.org>
 112
 113         * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine NR_OPEN
 114         if it is defined in <linux/limits.h>.
 115
 116 1998-10-29 14:28  Ulrich Drepper  <drepper@cygnus.com>
 117
 118         * spinlock.h (__pthread_trylock): Define inline.
 119         (__pthread_lock): Add extra parameter to declaration.  Declare
 120         using internal_function.
 121         (__pthread_unlock): Declare using internal_function.
 122         * spinlock.c (__pthread_lock): Add new parameter.  Use it instead
 123         of local variable self.  Avoid recomputing self.  Define using
 124         internal_function.
 125         (__pthread_trylock): Remove.
 126         (__pthread_unlock): Define using internal_function.
 127         * cancel.c: Adjust for __pthread_lock interface change.  Use already
 128         computed self value is possible.
 129         * condvar.c: Likewise.
 130         * join.c: Likewise.
 131         * manager.c: Likewise.
 132         * mutex.c: Likewise.
 133         * pthread.c: Likewise.
 134         * rwlock.c: Likewise.
 135         * semaphore.c: Likewise.
 136         * signals.c: Likewise.
 137
 138 1998-10-27 13:46  Ulrich Drepper  <drepper@cygnus.com>
 139
 140         * sysdeps/pthread/pthread.h (struct _pthread_cleanup_buffer): Prepend
 141         __ to field names of the struct.
 142         * sysdeps/pthread/bits/pthreadtypes.h (struct _pthread_fastlock):
 143         Likewise.
 144         (pthread_attr_t): Likewise.
 145         (pthread_cond_t): Likewise.
 146         (pthread_condattr_t): Likewise.
 147         (pthread_mutex_t): Likewise.
 148         (pthread_mutexattr_t): Likewise.
 149         (pthread_rwlock_t): Likewise.
 150         (pthread_rwlockattr_t): Likewise.
 151         * attr.c: Adjust for pthread.h and pthreadtypes.h change.
 152         * cancel.c: Likewise.
 153         * condvar.c: Likewise.
 154         * manager.c: Likewise.
 155         * mutex.c: Likewise.
 156         * pthread.c: Likewise.
 157         * ptlongjmp.c: Likewise.
 158         * rwlock.c: Likewise.
 159         * spinlock.c: Likewise.
 160
 161 1998-10-09  Ulrich Drepper  <drepper@cygnus.com>
 162
 163         * sysdeps/i386/pt-machine.h (get_eflags, set_eflags): Mark these
 164         also with PT_EI.
 165
 166         * sysdeps/i386/i686/pt-machine.h: Remove unused inline
 167         definitions.
 168
 169         * Makefile (libpthread-routines): Add pt-machine.
 170         * pt-machine.c: New file.
 171         * sysdeps/alpha/pt-machine.h: Define PT_EI as extern inline is not
 172         yet defined.  Use PT_EI in extern inline definitions.
 173         * sysdeps/arm/pt-machine.h: Likewise.
 174         * sysdeps/i386/pt-machine.h: Likewise.
 175         * sysdeps/i386/i686/pt-machine.h: Likewise.
 176         * sysdeps/m68k/pt-machine.h: Likewise.
 177         * sysdeps/mips/pt-machine.h: Likewise.
 178         * sysdeps/powerpc/pt-machine.h: Likewise.
 179         * sysdeps/sparc/sparc32/pt-machine.h: Likewise.
 180         * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
 181
 182 1998-10-02  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
 183
 184         * semaphore.h: Include <sys/types.h> so that _pthread_descr
 185         is declared.
 186
 187 1998-09-15  David S. Miller  <davem@pierdol.cobaltmicro.com>
 188
 189         * sysdeps/sparc/sparc32/pt-machine.h (INIT_THREAD_SELF): Add nr
 190         argument.
 191         * sysdeps/sparc/sparc64/pt-machine.h (INIT_THREAD_SELF): Likewise.
 192
 193 1998-09-12 14:24 -0400  Zack Weinberg  <zack@rabi.phys.columbia.edu>
 194
 195         * linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h: Add
 196         multiple inclusion guard.
 197
 198 1998-09-02 11:08  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 199
 200         * signals.c (sigaction): Check that sig is less than NSIG to avoid
 201         array index overflow.
 202
 203 1998-09-06 10:56  Ulrich Drepper  <drepper@cygnus.com>
 204
 205         * sysdeps/pthread/semaphore.h: New file.
 206
 207 1998-09-06 09:08  Ulrich Drepper  <drepper@cygnus.com>
 208
 209         * sysdeps/pthread/bits/libc-lock.h (enum __libc_tsd_key_t): Add
 210         _LIBC_TSD_KEY_DL_ERROR.
 211
 212 1998-08-31  Ulrich Drepper  <drepper@cygnus.com>
 213
 214         * sysdeps/i386/i686/pt-machine.h (testandset): Add memory clobber.
 215         * sysdeps/i386/pt-machine.h: Likewise.
 216         Suggested by Roland McGrath.
 217
 218 1998-08-28 13:58  Ulrich Drepper  <drepper@cygnus.com>
 219
 220         * internals.h: Also define THREAD_GETMEM_NC and THREAD_SETMEM_NC to
 221         access thread data with non-constant offsets.
 222         * specific.c: Use THREAD_GETMEM_NC and THREAD_SETMEM_NC where
 223         necessary.
 224
 225         * sysdeps/i386/useldt.h: Fix typo.  Add THREAD_GETMEM_NC and
 226         THREAD_SETMEM_NC definitions.
 227
 228         * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM_NC and
 229         THREAD_SETMEM_NC.
 230         * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
 231
 232 1998-08-26 15:46  Ulrich Drepper  <drepper@cygnus.com>
 233
 234         * internals.h: Define THREAD_GETMEM and THREAD_SETMEM to default if
 235         not already defined.
 236         (struct _pthread_descr_struct): Add p_self and p_nr field.
 237         * manager.c (__pthread_handles): Define second element to point
 238         to manager thread.
 239         (__pthread_handles_num): Initialize to 2.
 240         (__pthread_manager): Use INIT_THREAD_SELF with two arguments.
 241         (pthread_start_thread): Likewise.
 242         (pthread_handle_create): Start search for free slot at entry 2.
 243         Initialize new fields p_self and p_nr.
 244         Call __clone with CLONE_PTRACE if available.
 245         (pthread_free): Call FREE_THREAD_SELF if available.
 246         * pthread.c (__pthread_initial_thread): Initialize new fields.
 247         (__pthread_manager_thread): Likewise.
 248         (__pthread_initialize_manager): Call __clone with CLONE_PTRACE.
 249
 250         * cancel.c: Use THREAD_GETMEM and THREAD_SETMEM to access the
 251         elements of the thread descriptor.
 252         * condvar.c: Likewise.
 253         * errno.c: Likewise.
 254         * join.c: Likewise.
 255         * manager.c: Likewise.
 256         * pthread.c: Likewise.
 257         * ptlongjmp.c: Likewise.
 258         * semaphore.c: Likewise.
 259         * signals.c: Likewise.
 260         * specific.c: Likewise.
 261         * spinlock.c: Likewise.
 262
 263         * sysdeps/alpha/pt-machine.h (INIT_THREAD_SELF): Add extra parameter.
 264
 265         * sysdeps/i386/useldt.h: New file.
 266         * sysdeps/i386/i686/pt-machine.h: Show how to use this file.
 267
 268         * sysdeps/sparc/sparc32/pt-machine.h: Define THREAD_GETMEM and
 269         THREAD_SETMEM using __thread_self.
 270         * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
 271
 272 1998-08-24  Geoff Keating  <geoffk@ozemail.com.au>
 273
 274         * spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
 275         turned out that we didn't need to queue after all.
 276
 277 1998-08-22  Geoff Keating  <geoffk@ozemail.com.au>
 278
 279         * sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
 280         and wastes space; correct types.
 281
 282 1998-08-08 11:18  H.J. Lu  <hjl@gnu.org>
 283
 284         * signals.c (sigaction): Handle NULL argument.
 285
 286 1998-08-04  Ulrich Drepper  <drepper@cygnus.com>
 287
 288         * sysdeps/unix/sysv/linux/bits/sigthread.h: Use __sigset_t instead
 289         of sigset_t.
 290
 291 1998-08-02  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 292
 293         * Makefile (linuxthreads-version): Extract correct number from
 294         Banner.
 295
 296 1998-07-29  Xavier Leroy  <Xavier.Leroy@inria.fr>
 297
 298         * Banner: Bump version number to 0.8
 299         * FAQ.html: Many updates, in particular w.r.t. debugging.
 300         * manager.c: Support for non-default stacksize for
 301         LinuxThreads-allocated stacks;
 302         don't use guard pages for stacks with default size, rely on
 303         rlimit(RLIMIT_STACK) instead (it's cheaper).
 304         * attr.c: Likewise.
 305         * cancel.c: Use __pthread_sig_cancel and __pthread_sig_restart
 306         everywhere instead of PTHREAD_SIG_CANCEL and PTHREAD_SIG_RESTART.
 307         * condvar.c: Likewise.
 308         * internals.h: Likewise.
 309         * restart.h: Likewise.
 310         * signals.c: Likewise.
 311         * pthread.c: Likewise; set rlimit(RLIMIT_STACK) as we need it.
 312
 313 1998-07-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 314
 315         * weaks.c: Define pthread_mutexattr_[sg]ettype instead of
 316         __pthread_mutexattr_[sg]ettype.  Add more weak aliases.
 317         * Versions: Put __pthread_mutexattr_settype under version
 318         GLIBC_2.0.  Don't export __pthread_mutexattr_setkind_np and
 319         __pthread_mutexattr_gettype.
 320
 321 1998-07-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 322
 323         * sysdeps/pthread/bits/libc-lock.h: Make
 324         __pthread_mutexattr_settype weak.  Don't make
 325         __pthread_mutexattr_setkind_np weak.
 326
 327 1998-07-16 10:52  Ulrich Drepper  <drepper@cygnus.com>
 328
 329         * manager.c (pthread_handle_create): Check whether sched_setscheduler
 330         call can succeed here.
 331
 332         * mutex.c: Define __pthread_mutexattr_settype and make
 333         __pthread_mutexattr_setkind_np an alias.
 334         Likewise for __pthread_mutexattr_gettype.
 335
 336 1998-07-15 11:00 -0400  Zack Weinberg  <zack@rabi.phys.columbia.edu>
 337
 338         * attr.c (pthread_attr_setschedpolicy): Don't check whether caller
 339         is root.
 340
 341 1998-07-14 19:38  Ulrich Drepper  <drepper@cygnus.com>
 342
 343         * sysdeps/pthread/bits/libc-lock.h: Define __libc_cleanup_end.
 344
 345 1998-07-11  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
 346
 347         * Examples/ex6.c: Include <unistd.h> for usleep.
 348
 349 1998-06-13 11:04  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 350
 351         * Examples/ex4.c (main): Use exit, not pthread_exit.
 352
 353 1998-07-09 13:39  Ulrich Drepper  <drepper@cygnus.com>
 354
 355         * Versions: Add __pthread_mutexattr_gettype and
 356         __pthread_mutexattr_settype.
 357         * lockfile.c: Use __pthread_mutexattr_settype instead of
 358         __pthread_mutexattr_setkind_np.
 359         * mutex.c: Define __pthread_mutexattr_gettype and
 360         __pthread_mutexattr_settype.
 361         * weak.c: Likewise.
 362         * sysdeps/pthread/pthread.h: Declare __pthread_mutexattr_gettype and
 363         __pthread_mutexattr_settype.
 364         * sysdeps/pthread/bits/libc-lock.h (__libc_lock_init_recursive):
 365         Use __pthread_mutexattr_settype.
 366
 367 1998-07-08 22:26  Ulrich Drepper  <drepper@cygnus.com>
 368
 369         * Versions: Add pthread_mutexattr_gettype, pthread_mutexattr_settype.
 370         * mutex.c: Define weak alias pthread_mutexattr_gettype and
 371         pthread_mutexattr_settype.
 372         * sysdeps/pthread/pthread.h: Declare these functions.
 373         Move pthread_sigmask and pthread_kill declaration in separate header.
 374         * sysdeps/unix/sysv/linux/bits/sigthread.h: New file.
 375
 376 1998-07-07 15:20  Ulrich Drepper  <drepper@cygnus.com>
 377
 378         * Makefile: Add rules to compile and run tests.
 379         * Examples/ex1.c: Little changes to fix warnings.
 380         * Examples/ex2.c: Likewise.
 381         * Examples/ex3.c: Likewise.
 382         * Examples/ex4.c: Likewise.
 383         * Examples/ex5.c: Likewise.
 384         * Examples/ex6.c: New file.
 385
 386 1998-07-05 11:54  Ulrich Drepper  <drepper@cygnus.com>
 387
 388         * Versions: Add pthread_attr_init to GLIBC_2.1 version in libc.
 389
 390 1998-07-01  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
 391
 392         * attr.c: Include <string.h>.
 393
 394 1998-06-30 11:47  Ulrich Drepper  <drepper@cygnus.com>
 395
 396         * attr.c: Include errno.h.  Use memcpy to copy sched_param.
 397         * internals.h: Include limits.h.
 398         * manager.c: Use memcpy to copy sched_param.
 399         * ptfork.c: Include errno.h.
 400         * pthread.c: Likewise.
 401         * semaphore.c: Likewise.
 402         * specific.c: Likewise.
 403         * spinlock.h: Likewise.
 404         * sysdeps/pthread/pthread.h: Include only allowed headers.  Move
 405         type definition to ...
 406         * sysdeps/pthread/bits/pthreadtypes.h: ...here.  New file.
 407
 408 1998-06-29 12:34  Ulrich Drepper  <drepper@cygnus.com>
 409
 410         * sysdeps/pthread/pthread.h: Use __PMT not __P for function pointers.
 411
 412         * sysdeps/pthread/pthread.h: Define various PTHREAD_* symbols also
 413         as macros as demanded in POSIX.1, Annex C.
 414
 415 1998-06-29 12:29  Ulrich Drepper  <drepper@cygnus.com>
 416
 417         * internals.h (struct pthread_request): For free use pthread_t
 418         instead of pthread_descr.
 419         * join.c (pthread_join): Pass thread_id, not th to manager.
 420         (pthread_detach): Likewise.
 421         * manager.c (__pthread_manager): Except thread ID in FREE_REQ case.
 422         (pthread_exited): Remove detached queue code.
 423         (pthread_handle_free): Expect thread ID parameter and use it to
 424         validate the thread decsriptor.  Don't use detached queue.
 425         Patches by Xavier Leroy.
 426
 427 1998-06-27  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 428
 429         * libpthread.map: Export accept, longjmp, sigaction, siglongjmp,
 430         _IO_flockfile, _IO_ftrylockfile, _IO_funlockfile,
 431         __pthread_atfork, __pthread_key_create, __pthread_once.
 432         * internals.h: Doc fix.
 433         * pthread.c (__pthread_initialize): Define again.
 434
 435 1998-06-26  Ulrich Drepper  <drepper@cygnus.com>
 436
 437         * manager.c (pthread_exited): If thread is not detached put it on
 438         special list.
 439         (pthread_handle_free): If thread is not on list with living threads
 440         search on list with detached threads.
 441
 442         * sysdeps/pthread/pthread.h (PTHREAD_RWLOCK_INITIALIZER): Correct
 443         for new definition of pthread_rwlock_t.
 444
 445         * spinlock.c: Correct test whether to compile
 446         __pthread_compare_and_swap or not.
 447
 448 1998-06-25 19:27  Ulrich Drepper  <drepper@cygnus.com>
 449
 450         * attr.c: Finish user stack support.  Change locking code to be safe
 451         in situations with different priorities.
 452         * cancel.c: Likewise.
 453         * condvar.c: Likewise.
 454         * internals.h: Likewise.
 455         * join.c: Likewise.
 456         * manager.c: Likewise.
 457         * mutex.c: Likewise.
 458         * pthread.c: Likewise.
 459         * ptlongjmp.c: Likewise.
 460         * queue.h: Likewise.
 461         * rwlock.c: Likewise.
 462         * semaphore.c: Likewise.
 463         * semaphore.h: Likewise.
 464         * signals.c: Likewise.
 465         * spinlock.c: Likewise.
 466         * spinlock.h: Likewise.
 467         * sysdeps/pthread/pthread.h: Likewise.
 468         Patches by Xavier Leroy.
 469
 470         * sysdeps/i386/i686/pt-machine.h: New file.
 471
 472 1998-06-25  Ulrich Drepper  <drepper@cygnus.com>
 473
 474         * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
 475         [sg]et_stackaddr prototypes always available.
 476
 477         * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
 478         _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
 479
 480 1998-06-24  Ulrich Drepper  <drepper@cygnus.com>
 481
 482         * manager.c (pthread_free): Undo patch from 980430.
 483         Reported by David Wragg <dpw@doc.ic.ac.uk>.
 484
 485 1998-06-09 15:07  Ulrich Drepper  <drepper@cygnus.com>
 486
 487         * manager.c: Define __pthread_manager_adjust_prio and use it to
 488         increase priority when needed.
 489         * internals.h: Add prototype for __pthread_manager_adjust_prio.
 490         * mutex.c: Optimize mutexes to wake up only one thread.
 491         * pthread.c: Move PID of manager for global variable in structure
 492         element.
 493         Patches by Xavier Leroy.
 494
 495 1998-06-07 13:47  Ulrich Drepper  <drepper@cygnus.com>
 496
 497         * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
 498
 499 1998-06-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
 500
 501         * attr.c: Correct typo.
 502
 503 1998-05-01  Ulrich Drepper  <drepper@cygnus.com>
 504
 505         * manager.c (pthread_free): Unmap guard before the stack.
 506         Patch by Matthias Urlichs.
 507
 508 1998-04-30  Ulrich Drepper  <drepper@cygnus.com>
 509
 510         * manager.c (pthread_free): Detect already free child.
 511         Patch by Xavier Leroy, reported by Matthias Urlichs.
 512
 513 1998-04-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 514
 515         * Makefile (linuxthreads-version): Renamed back from
 516         libpthread-version.
 517
 518 1998-04-21  Ulrich Drepper  <drepper@cygnus.com>
 519
 520         * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
 521         __libc_longjmp.
 522
 523 1998-04-20 14:55  Ulrich Drepper  <drepper@cygnus.com>
 524
 525         * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
 526         * internals.h: Add definitions for new spinlock implementation.
 527         * ptlongjmp.c: New file.
 528         * spinlock.c: New file.
 529         * spinlock.h (acquire): Don't reschedule using __sched_yield, use
 530         new function __pthread_acquire to prevent deadlocks with thread
 531         with different priorities.
 532         Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
 533
 534 1998-03-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 535
 536         * manager.c (__pthread_manager): Reduce first argument to select
 537         to include just the needed file descriptor.
 538
 539 1998-03-17 00:06  Ulrich Drepper  <drepper@cygnus.com>
 540
 541         * manager.c: Fix last patch which caused core dumps.
 542
 543         * pthread.c: Correctly handle missing SIGRTMIN.
 544
 545 1998-03-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 546
 547         * libpthread.map: Add __libc_internal_tsd_get and
 548         __libc_internal_tsd_set.  Add missing cancelable functions. Export
 549         libc internal versions of the cancelable functions.
 550
 551 1998-03-13 16:51  Ulrich Drepper  <drepper@cygnus.com>
 552
 553         * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
 554
 555 1998-03-13 00:46  Ulrich Drepper  <drepper@cygnus.com>
 556
 557         * attr.c: Implement pthread_attr_[gs]etguardsize,
 558         pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
 559         Change pthread_attr_init to have two interfaces.
 560         * internals.h (struct _pthread_descr_struct): Add new fields for
 561         above functions.
 562         * libpthread.map: Add names in GLIBC_2.1 section.
 563         * manager.c (pthread_handle_create): Implement guardsize and
 564         user stack.
 565         (pthread_free): Likewise.
 566         * pthread.c (pthread_create): Add new interface for changed
 567         pthread_attr_t.
 568         * sysdeps/pthread/pthread.h: Add prototypes for new functions.
 569         * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
 570         PTHREAD_STACK_MIN.
 571
 572 1998-03-11 00:42  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>
 573
 574         * manager.c: Enable resetting of the thread scheduling policy
 575         to SCHED_OTHER when the parent thread has a different one.
 576
 577 1998-02-01 13:51  Ulrich Drepper  <drepper@cygnus.com>
 578
 579         * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
 580         _POSIX_ASYNCHRONOUS_IO.
 581
 582         * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
 583         mutexes.
 584         * mutex.c: Implement new mutex types.
 585
 586         * internals.h: Include <signal.h>.
 587
 588         * libpthread.map: Add __erno_location and __h_errno_location.
 589
 590         * errno.c: Return pointer to variable actually in use.  This might
 591         not be the one in the thread structure.
 592         * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
 593         and p_h_errnop.
 594         * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
 595         of manager thread structure.
 596         (pthread_handle_create): Set p_errnop and p_h_errnop members for new
 597         thread.
 598         * pthread.c: Adapt initializer for thread structures.
 599         (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
 600         (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
 601         current thread to global variables.
 602
 603 1998-01-31 17:27  Ulrich Drepper  <drepper@cygnus.com>
 604
 605         * rwlock.c: New file.
 606         * Makefile (libpthread-routines): Add rwlock.
 607         * sysdeps/pthread/pthread.h: Define data structures and declare
 608         functions.
 609         * libpthread.map: Add new functions.
 610
 611 1997-12-18 13:50  Philip Blundell  <pb@nexus.co.uk>
 612
 613         * sysdeps/arm/pt-machine.h: New file; add ARM support.
 614         * sysdeps/arm/Implies: likewise.
 615         * README: Document it.
 616
 617 1997-12-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 618
 619         * signals.c: Remove unneeded initializer for sigwaited, saving a
 620         warning.
 621
 622 1997-04-11 01:18  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 623
 624         * semaphore.c (sem_init): Set sem_spinlock only if available.
 625
 626 1997-12-04 01:48  Ulrich Drepper  <drepper@cygnus.com>
 627
 628         * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
 629         * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
 630
 631         * Makefile: Update from LinuxThreads 0.7.
 632         * internals.h. Likewise.
 633         * manager.c: Likewise.
 634         * mutex.c: Likewise.
 635         * pthread.c: Likewise.
 636         * signals.c: Likewise.
 637         * specific.c: Likewise.
 638         * Examples/ex3.c: Likewise.
 639
 640 1997-11-20 18:13  Ulrich Drepper  <drepper@cygnus.com>
 641
 642         * pthread.c (__pthread_reset_main_thread): Close pipe only if still
 643         open.
 644
 645 1997-10-29 05:38  Ulrich Drepper  <drepper@cygnus.com>
 646
 647         * wrapsyscall.c: Add socket functions which are also cancelation
 648         points.
 649
 650 1997-10-19 21:40  Wolfram Gloger  <wg@wolfram.dent.med.uni-muenchen.de>
 651
 652         * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
 653         New functions for fast thread specific data within libc.
 654
 655         * internals.h: Add new array p_libc_specific to struct
 656         _pthread_descr_struct.
 657
 658         * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
 659
 660 1997-10-13 05:39  Ulrich Drepper  <drepper@cygnus.com>
 661
 662         * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
 663         Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
 664
 665 1997-08-29 03:05  Ulrich Drepper  <drepper@cygnus.com>
 666
 667         * internals.h (struct _pthread_descr_struct): Add definitions for
 668         two-level specific key handling.
 669         * manager.c (pthread_handle_create): Initialize specific memory array.
 670         * specific.c: Implement two-level key handling.
 671         * weaks.c: Don't provide dummy key handling.
 672         * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
 673         Add definition of __libc_key_t.
 674         * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
 675         as 1024.
 676         Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
 677         PTHREAD_DESTRUCTOR_ITERATIONS.
 678
 679         * manager.c (pthread_handle_create): Compare mmap result with
 680         MAP_FAILED.
 681
 682         * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
 683         * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
 684
 685 1997-08-22 19:04  Richard Henderson  <rth@cygnus.com>
 686
 687         sysdeps/sparc -> sysdeps/sparc/sparc32
 688         sysdeps/sparc64 -> sysdeps/sparc/sparc64
 689
 690         * internals.h: Change definition of THREAD_SELF to be an expression,
 691         not a statement that did a return.
 692         * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
 693         * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
 694         Follow Solaris and use a "system reserved" register (%g6) to hold
 695         the thread descriptor.
 696         * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
 697
 698 1997-08-03 00:09  Ulrich Drepper  <drepper@cygnus.com>
 699
 700         * mutex.c: Correct pthread_once.  Patch by Xavier Leroy.
 701         * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
 702         * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
 703
 704         * semaphore.c: Include spinlock.h only when needed.
 705
 706         * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
 707         keys for entries not in use.
 708
 709         * weaks.c: Implement key handling functions for real.
 710
 711 1997-06-29  01:04  Richard Henderson  <richard@gnu.ai.mit.edu>
 712
 713         Initial sparc64-linux support:
 714         * linuxthreads/sysdeps/sparc64/Implies: New file.
 715         * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
 716
 717 1997-06-29 00:48  Ulrich Drepper  <drepper@cygnus.com>
 718
 719         * semaphore.c: Include spinlock.h at correct place.
 720         Patch by HJ Lu.
 721
 722 1997-06-13 10:06  Richard Henderson  <rth@tamu.edu>
 723
 724         The Great Bit File Move:
 725         * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
 726         * sysdeps/powerpc/semaphorebits.h: Likewise.
 727         * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
 728         * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
 729         * sysdeps/pthread/libc-lock.h: -> bits/
 730         * sysdeps/pthread/stdio-lock.h: Likewise.
 731         * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
 732         * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
 733         * semaphore.h: Likewise.
 734         * sysdeps/pthread/pthread.h: Likewise.
 735
 736         * lockfile.c: <foo.h> -> <bits/foo.h>.
 737         * semaphore.h: Likewise.
 738
 739         * Makefile: (headers): foo.h -> bits/foo.h.
 740         * sysdeps/pthread/Makefile: Likewise.
 741
 742 1997-04-11 01:18  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 743
 744         * semaphore.c (sem_init): Set sem_spinlock only if available.
 745
 746         * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
 747         asm constraints.
 748
 749 1997-04-09 03:00  Ulrich Drepper  <drepper@cygnus.com>
 750
 751         Update from LinuxThreads 0.6.
 752
 753         * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
 754         and __sched_get_priority_min instead of names without `__'.
 755
 756         * manager.c: Rewrite large parts to implement opaque pthread_t.
 757
 758         * cancel.c: Adapt for opaque pthread_t type.
 759         * condvar.c: Likewise.
 760         * errno.c: Likewise.
 761         * join.c: Likewise.
 762         * mutex.c: Likewise.
 763         * pthread.c: Likewise.
 764         * signals.c: Likewise.
 765         * specific.c: Likewise.
 766         * restart.h: Likewise.
 767         * queue.h: Likewise.
 768         * Examples/ex3.c: Likewise.
 769         * Examples/ex4.c: Likewise.
 770         * sysdeps/pthread/pthread.h: Likewise.
 771
 772         * pthread.c: Accumulate time for all threads in thread manager.
 773
 774         * semaphore.c: Implement fallback implementation for architectures
 775         sometimes missing compare-exchange operations.
 776
 777         * cancel.c (pthread_cancel): Validate handle argument.
 778         * join.c (pthread_join): Likewise.
 779         (pthread_detach): Likewise.
 780         * signals.c (pthread_kill): Likewise.
 781
 782         * spinlock.h (acquire): Use __sched_yield not sched_yield.
 783
 784         * queue.h (enqueue): Enqueue thread according to priority.
 785
 786         * internals.c (struct pthread_start_args): New struct for passing
 787         args to cloning function.
 788         (struct _pthread): Rename to _pthread_descr_struct and adapt for
 789         opaque pthread_t.
 790
 791         * Examples/Makefile (clean): Pass -f option to rm.
 792
 793         * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
 794         and define TEST_FOR_COMPARE_AND_SWAP.
 795         * sysdeps/i386/i486/pt-machine.h: Removed.
 796
 797         * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
 798         to 1024.
 799
 800 1997-04-04 16:38  Ulrich Drepper  <drepper@cygnus.com>
 801
 802         * restart.h (suspend): Clear p_signal before suspending.
 803         (suspend_with_cancellation): Likewise.
 804         Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
 805
 806         * weaks.c: Make __pthread_key_create return 1.
 807         * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
 808         __libc_getspecific, __libc_setspecific, and __libc_key_t.
 809         * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
 810         using libio.
 811
 812 1997-03-19 15:13  Miguel de Icaza  <miguel@nuclecu.unam.mx>
 813
 814         * sysdeps/sparc/pt-machine (RELEASE): Fix.
 815
 816 1997-03-01 07:55  Geoff Keating  <geoffk@ozemail.com.au>
 817
 818         * sysdeps/powerpc/Implies: Added.
 819         * sysdeps/powerpc/pt-machine.h: Added.
 820         * sysdeps/powerpc/semaphorebits.h: Added.
 821
 822 1997-01-22 01:22  Ulrich Drepper  <drepper@cygnus.com>
 823
 824         * linuxtheads/pthread.c (__pthread_initial_thread): Correct
 825         initializer.
 826         (__pthread_manager_thread): Likewise.
 827         Reported by Andreas Jaeger.
 828
 829 1997-01-18 22:15  Richard Henderson  <rth@tamu.edu>
 830
 831         Since sigset_t no longer fits in a register, we can't pass in the
 832         thread's initial mask so easily.  Take this opportunity to simplify
 833         the clone implementation by only accepting a single void* argument.
 834
 835         * linuxthreads/manager.c (__pthread_manager): Put thread vitals
 836         in the thread struct instead of as arguments through clone.
 837         (pthread_start_thread): Look for them there.
 838         * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
 839         p_initial_fn_arg, p_initial_mask.  Fix __pthread_manager proto.
 840         * linuxthreads/pthread.c (pthread_initialize_manager): Revise
 841         clone invocation.