nptl/ChangeLog

   1 2002-12-06  Ulrich Drepper  <drepper@redhat.com>
   2
   3         * init.c (__pthread_initialize_minimal): Correct INIT_LIST_HEAD use.
   4
   5         * Makefile (tests): Comment out tst-locale2 for now.
   6         (CFLAGS-flockfile.c, CFLAGS-funlockfile.c): Define to -D_IO_MTSAFE_IO.
   7
   8         * sysdeps/unix/sysv/linux/Makefile: Define CFLAGS-fork.c to
   9         -D_IO_MTSAFE_IO.
  10         * sysdeps/unix/sysv/linux/fork.c: Include <bits/stdio-lock.h>.
  11         Use _IO_lock_init instead of explicit assignment.
  12
  13         * sysdeps/pthread/bits/libc-lock.h: Define __rtld_lock_* macros.
  14         Define __libc_lock_* and __libc_lock_recursive macros with
  15         lowlevellock macros, not pthread mutexes.
  16
  17         * flockfile.c: Include <bits/stdio-lock.h>.  Use _IO_lock_lock instead
  18         of pthread_mutex_lock.
  19         * funlockfile.c: Include <bits/stdio-lock.h>.  Use _IO_lock_unlock
  20         instead of pthread_mutex_unlock.
  21
  22 2002-12-06  Roland McGrath  <roland@redhat.com>
  23
  24         * allocatestack.c (__stack_user): Use uninitialized defn.
  25         * init.c (__pthread_initialize_minimal): Initialize it here.
  26
  27 2002-12-05  Roland McGrath  <roland@redhat.com>
  28
  29         * sysdeps/i386/tls.h (TLS_INIT_TP): Make it return zero or an error
  30         string.
  31         * sysdeps/x86_64/tls.h (TLS_INIT_TP): Likewise.
  32
  33         * sysdeps/unix/sysv/linux/i386/createthread.c (create_thread): Add
  34         missing & here too.
  35
  36 2002-12-05  Ulrich Drepper  <drepper@redhat.com>
  37
  38         * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
  39         lowlevellock.
  40         * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: New file.
  41         * sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S: New file.
  42         * sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S: New file.
  43         * sysdeps/pthread/bits/libc-lock.h: Use lowlevellock implementation
  44         for __libc_lock_* macros.
  45         * Makefile (routines): Add libc-lowlevellock.
  46
  47 2002-10-09  Roland McGrath  <roland@redhat.com>
  48
  49         * sysdeps/pthread/bits/libc-lock.h (__libc_maybe_call): New macro.
  50         Under [__PIC__], call the function via the pointer fetched for
  51         comparison rather than a call by name that uses the PLT.
  52         (__libc_lock_init, __libc_rwlock_init, __libc_lock_fini)
  53         (__libc_rwlock_fini, __libc_lock_lock, __libc_rwlock_rdlock)
  54         (__libc_rwlock_wrlock, __libc_lock_trylock, __libc_rwlock_tryrdlock)
  55         (__libc_rwlock_trywrlock, __libc_lock_unlock, __libc_rwlock_unlock)
  56         (__libc_key_create, __libc_getspecific, __libc_setspecific): Use it.
  57
  58 2002-12-04  Roland McGrath  <roland@redhat.com>
  59
  60         * forward.c (pthread_self): Use FORWARD3 macro to correct return type.
  61
  62         * sysdeps/i386/td_ta_map_lwp2thr.c: Moved from ../nptl_db.
  63         * sysdeps/generic/td_ta_map_lwp2thr.c: New file.
  64
  65         * pthread_create.c (start_thread): Add missing & on __nptl_last_event.
  66
  67 2002-12-04  Ulrich Drepper  <drepper@redhat.com>
  68
  69         * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Make pthread_t
  70         a completely opaque, non-integer type.
  71         * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.
  72
  73 2002-12-05  Jakub Jelinek  <jakub@redhat.com>
  74
  75         * sysdeps/i386/tls.h: Include stdlib.h.
  76         * sysdeps/x86_64/tls.h: Likewise.
  77
  78 2002-12-04  Ulrich Drepper  <drepper@redhat.com>
  79
  80         * Makefile (tests): Add tst-locale2.
  81         (tests-static): Likewise.
  82         * tst-locale2.c: New file.
  83
  84         * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Mark asms as
  85         volatile and add memory clobbers to lock operations.
  86
  87 2002-12-03  Ulrich Drepper  <drepper@redhat.com>
  88
  89         * sysdeps/i386/i686/bits/atomic.h: Use i486 version.
  90         * sysdeps/i386/i486/bits/atomic.h: New file.
  91         * sysdeps/i386/i586/bits/atomic.h: New file.
  92         * sysdeps/i386/i686/pthread_spin_trylock.S: Define HAVE_CMOV and
  93         include i486 version.
  94         * sysdeps/i386/i486/pthread_spin_trylock.S: New file.
  95         * sysdeps/i386/i586/pthread_spin_trylock.S: New file.
  96         Patch by Marjin Ros <marjin@mad.scientist.com>.
  97
  98         * allocatestack.c (get_cached_stack): Don't crash if we first
  99         found a stack with a larger size then needed.
 100         Reported by Hui Huang <hui.huang@sun.com>.
 101
 102         * Makefile (tests): Add tst-sysconf.
 103         * tst-sysconf.c: New file.
 104
 105         * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine
 106         PTHREAD_THREADS_MAX.
 107
 108 2002-12-02  Roland McGrath  <roland@redhat.com>
 109
 110         * pthreadP.h (__stack_user, __nptl_create_event, __nptl_death_event):
 111         Declare using hidden_proto instead of attribute_hidden, so there are
 112         non-.hidden static symbols for gdb to find.
 113         (__pthread_keys): Likewise.
 114         * events.c (__nptl_create_event, __nptl_death_event): Add hidden_def.
 115         * allocatestack.c (__stack_user): Likewise.
 116         * pthread_create.c (__pthread_keys): Likewise.
 117         (__nptl_threads_events, __nptl_last_event): Make these static instead
 118         of hidden.
 119         * pthread_key_create.c (__pthread_pthread_keys_max,
 120         __pthread_pthread_key_2ndlevel_size): Renamed from __linuxthreads_*.
 121
 122 2002-12-02  Ulrich Drepper  <drepper@redhat.com>
 123
 124         * Makefile (tests): Add tst-locale1.  If buid-static is yes link
 125         statically.
 126         * tst-locale1.c: New file.
 127
 128         * pthread_cond_timedwait.c: Include <stdlib.h>.
 129
 130         * Makefile (tests): Add tst-fork2 and tst-fork3.
 131         * tst-fork2.c: New file.
 132         * tst-fork3.c: New file.
 133
 134 2002-11-28  Ulrich Drepper  <drepper@redhat.com>
 135
 136         * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: New file.
 137
 138         * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define macros which
 139         require it to 200112L.
 140
 141         * sysdeps/unix/sysv/linux/i386/i486/lowlevelrwlock.S: Use cmov
 142         instruction only if HAVE_CMOV is defined.
 143         * sysdeps/unix/sysv/linux/i386/i686/lowlevelrwlock.S: Define HAVE_CMOV.
 144
 145         * sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h: New file.
 146
 147         * sysdeps/unix/sysv/linux/x86_64/pthread_once.S: New file.
 148
 149         * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: New file.
 150
 151         * sysdeps/unix/sysv/linux/x86_64/pt-vfork.S: New file.
 152
 153 2002-11-27  Ulrich Drepper  <drepper@redhat.com>
 154
 155         * sysdeps/x86_64/bits/atomic.h: New file.
 156
 157         * sysdeps/i386/i686/bits/atomic.h: Fix asm syntax for 8- and
 158         16-bit operations.
 159
 160         * sysdeps/unix/sysv/linux/raise.c (raise): Use INTERNAL_SYSCALL if
 161         possible since gettid cannot fail.
 162
 163         * sysdeps/x86_64/pthreaddef.h: New file.
 164
 165         * sysdeps/i386/pthreaddef.h (gettid): Removed.
 166
 167         * sysdeps/x86_64/pthread_spin_init.c: New file.
 168         * sysdeps/x86_64/pthread_spin_lock.c: New file.
 169         * sysdeps/x86_64/pthread_spin_trylock.c: New file.
 170         * sysdeps/x86_64/pthread_spin_unlock.c: New file.
 171
 172         * sysdeps/i386/i686/pthread_spin_trylock.S (pthread_spin_trylock):
 173         Add missing lock prefix.  Minute optimization.
 174
 175         * tst-spin2.c (main): Also check successful trylock call.
 176
 177         * sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use correct
 178         syscall.  Fix typo in case INTERNAL_SYSCALL is not used.
 179
 180         * sysdeps/i386/pthread_spin_destroy.c: Moved to...
 181         * sysdeps/pthread/pthread_spin_destroy.c: ...here.  New file.
 182
 183         * sysdeps/i386/pthread_sigmask.c: Removed.  Use the generic code.
 184         * sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Return correct
 185         value in case of an error.  Add support for INTERNAL_SYSCALL.
 186
 187         * sysdeps/i386/pthread_sigmask.c (pthread_sigmask): Return correct
 188         value in case of an error.
 189
 190         * sysdeps/x86_64/tls.h: New file.
 191
 192 2002-11-26  Ulrich Drepper  <drepper@redhat.com>
 193
 194         * sysdeps/i386/tls.h (THREAD_GETMEM_NC): Change interface.  It now
 195         takes the array member name and the index as parameters.
 196         (THREAD_SETMEM_NC): Likewise.
 197         * pthread_getspecific.c: Use new THREAD_GETMEM_NC interface.
 198         * pthread_setspecific.c: Use new THREAD_GETMEM_NC and THREAD_SETMEM_NC
 199         interfaces.
 200
 201         * sysdeps/i386/tls.h (THREAD_SETMEM): Use size of member element
 202         to decide which code to use.
 203         (THREAD_SETMEM_NC): Likewise.
 204
 205         * allocatestack.c (queue_stack): Don't remove stack from list here.
 206         Do it in the caller.  Correct condition to prematurely terminate
 207         loop to free stacks.
 208         (__deallocate_stack): Remove stack from list here.
 209
 210 2002-11-26  Ulrich Drepper  <drepper@redhat.com>
 211
 212         * Makefile (tests): Add tst-stack1.
 213         * tst-stack1.c: New file.
 214
 215         * allocatestack.c (allocate_stack): Initialize the TCB on a user
 216         provided stack.
 217
 218         * pthread_attr_getstack.c: Return bottom of the thread area.
 219
 220 2002-11-25  Ulrich Drepper  <drepper@redhat.com>
 221
 222         * Makefile (libpthread-routines): Add pt-allocrtsig and
 223         pthread_kill_other_threads.
 224         * pt-allocrtsig.c: New file.
 225         * pthread_kill_other_threads.c: New file.
 226         * sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for
 227         all three functions.
 228         * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
 229         allocrtsig.
 230         * sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export
 231         __libc_current_sigrtmin_private, __libc_current_sigrtmax_private,
 232         and __libc_allocate_rtsig_private.
 233         * Versions (libpthread): Export pthread_kill_other_threads_np,
 234         __libc_current_sigrtmin, and __libc_current_sigrtmax.
 235
 236 2002-11-24  Ulrich Drepper  <drepper@redhat.com>
 237
 238         * allocatestack.c (allocate_stack): stackaddr in attribute points to
 239         the end of the stack.  Adjust computations.
 240         When mprotect call fails dequeue stack and free it.
 241         * pthread_attr_setstack.c: Store top of the stack in stackaddr
 242         attribute.
 243         * pthread_getattr_np.c: Likewise.
 244
 245         * descr.h (IS_DETACHED): Add some more parenthesis to prevent
 246         surprises.
 247
 248 2002-11-23  Ulrich Drepper  <drepper@redhat.com>
 249
 250         * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before
 251         attribute definitions.  Patch by Luca Barbieri <ldb@ldb.ods.org>.
 252
 253 2002-11-22  Ulrich Drepper  <drepper@redhat.com>
 254
 255         * pthread_getspecific.c: Optimize access to first 2nd-level array.
 256         * pthread_setspecific.c: Likewise.
 257
 258 2002-11-21  Ulrich Drepper  <drepper@redhat.com>
 259
 260         * sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags
 261         definitions.  Get them from the official place.
 262         * sysdeps/unix/sysv/linux/i386/fork.c: Likewise.
 263
 264         * sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags.
 265         Use new CLONE_ flags in clone() calls.
 266
 267         * sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork.
 268         * sysdeps/unix/sysv/linux/i386/fork.c: New file.
 269
 270         * Versions: Add pthread_* functions for libc.
 271         * forward.c: New file.
 272
 273         * sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add
 274         errno-loc.
 275         * herrno.c: New file.
 276         * res.c: New file.
 277
 278         * Makefile (libpthread-routines): Remove sem_post, sem_wait,
 279         sem_trywait, and sem_timedwait.  Add herrno and res.
 280         * sem_init.c: Don't initialize lock and waiters members.
 281         * sem_open.c: Likewise.
 282         * sem_post.c: Removed.
 283         * sem_wait.c: Removed.
 284         * sem_trywait.c: Removed.
 285         * sem_timedwait.c: Removed.
 286         * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite.
 287         Includes full implementations of sem_post, sem_wait, sem_trywait,
 288         and sem_timedwait.
 289         * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust
 290         for new implementation.
 291         * sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock
 292         and waiters fields.
 293
 294         * tst-sem3.c: Improve error message.
 295         * tst-signal3.c: Likewise.
 296
 297         * init.c (__pthread_initialize_minimal): Use set_tid_address syscall
 298         to tell the kernel about the termination futex and to initialize tid
 299         member.  Don't initialize main_thread.
 300         * descr.h (struct pthread): Remove main_thread member.
 301         * cancelllation.c (__do_cancel): Remove code handling main thread.
 302         The main thread is not special anymore.
 303
 304         * allocatestack.c (__reclaim_stacks): Mark stacks as unused.  Add
 305         size of the stacks to stack_cache_actsize.
 306
 307         * pt-readv.c: Add missing "defined".
 308         * pt-sigwait.c: Likewise.
 309         * pt-writev.c: Likewise.
 310
 311 2002-11-09  Ulrich Drepper  <drepper@redhat.com>
 312
 313         * Versions: Export __connect from libpthread.
 314         Patch by Luca Barbieri <ldb@ldb.ods.org>.
 315
 316         * Makefile (libpthread-routines): Add pt-raise.
 317         * sysdeps/unix/sysv/linux/raise.c: New file.
 318         * sysdeps/unix/sysv/linux/pt-raise.c: New file.
 319         * sysdeps/generic/pt-raise.c: New file.
 320
 321         * pthread_cond_init.c: Initialize all data elements of the condvar
 322         structure.  Patch by Luca Barbieri <ldb@ldb.ods.org>.
 323
 324         * pthread_attr_init.c: Actually implement 2.0 compatibility version.
 325         * pthread_create.c: Likewise.
 326
 327         * Makefile (tests): Add tst-key1, tst-key2, tst-key3.
 328         * tst-key1.c: New file.
 329         * tst-key2.c: New file.
 330         * tst-key3.c: New file.
 331
 332         * Versions: Export pthread_detach for version GLIBC_2.0.
 333         Reported by Saurabh Desai <sdesai@austin.ibm.com>.
 334
 335 2002-11-08  Ulrich Drepper  <drepper@redhat.com>
 336
 337         * pthread_key_create.c: Terminate search after an unused key was found.
 338         Patch by Luca Barbieri <ldb@ldb.ods.org>.
 339
 340         * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero.
 341         Patch by Luca Barbieri <ldb@ldb.ods.org>.
 342
 343 2002-10-10  Ulrich Drepper  <drepper@redhat.com>
 344
 345         * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic
 346         dynamic lookup for errno in PIC.
 347
 348         * allocatestack.c (get_cached_stack): Rearrange code slightly to
 349         release the stack lock as soon as possible.
 350         Call _dl_allocate_tls_init for TCB from the cache to re-initialize
 351         the static TLS block.
 352         (allocate_stack): Call _dl_allocate_tls_init for user-provided stack.
 353
 354         * cancellation.c: Renamed from cancelation.c.
 355         * Makefile: Adjust accordingly.
 356         * pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P.
 357         * cleanup_defer.c: Use CANCELLATION_P.
 358         * pthread_testcancel.c: Likewise.
 359         * descr.h: Fix spelling in comments.
 360         * init.c: Likewise.
 361         * pthread_getattr_np.c: Likewise.
 362         * pthread_getschedparam.c: Likewise.
 363         * pthread_setschedparam.c: Likewise.
 364         * Versions: Likewise.
 365
 366         * pt-pselect.c: New file.
 367         * Makefile (libpthread-routines): Add pt-pselect.
 368         * Versions: Add pselect.
 369
 370         * tst-cancel4.c: New file.
 371         * Makefile (tests): Add tst-cancel4.
 372
 373 2002-10-09  Ulrich Drepper  <drepper@redhat.com>
 374
 375         * pthread_mutex_lock.c: Always record lock ownership.
 376         * pthread_mutex_timedlock.c: Likewise.
 377         * pthread_mutex_trylock.c: Likewise.
 378
 379         * pt-readv.c: New file.
 380         * pt-writev.c: New file.
 381         * pt-creat.c: New file.
 382         * pt-msgrcv.c: New file.
 383         * pt-msgsnd.c: New file.
 384         * pt-poll.c: New file.
 385         * pt-select.c: New file.
 386         * pt-sigpause.c: New file.
 387         * pt-sigsuspend.c: New file.
 388         * pt-sigwait.c: New file.
 389         * pt-sigwaitinfo.c: New file.
 390         * pt-waitid.c: New file.
 391         * Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat,
 392         pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend,
 393         pt-sigwait, pt-sigwaitinfo, and pt-waitid.
 394         * Versions: Add all the new functions.
 395
 396         * tst-exit1.c: New file.
 397         * Makefile (tests): Add tst-exit1.
 398
 399         * sem_timedwait.c: Minor optimization for more optimal fastpath.
 400
 401 2002-10-08  Ulrich Drepper  <drepper@redhat.com>
 402
 403         * pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW.
 404
 405         * pthread_join.c: Enable asynchronous cancellation around lll_wait_tid
 406         call.  pthread_join is an official cancellation point.
 407         * pthread_timedjoin.c: Likewise.
 408
 409         * pthread_cond_wait.c: Revert order in which internal lock are dropped
 410         and the condvar's mutex are retrieved.
 411         * pthread_cond_timedwait.c: Likewise.
 412         Reported by dice@saros.East.Sun.COM.
 413
 414 2002-10-07  Ulrich Drepper  <drepper@redhat.com>
 415
 416         * pthreadP.h: Cut out all type definitions and move them...
 417         * sysdeps/unix/sysv/linux/internaltypes.h: ...here.  New file.
 418         * pthreadP.h: Include <internaltypes.h>.
 419
 420         * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little
 421         performance tweaks.
 422
 423         * sem_trywait.c: Shuffle #includes around to get right order.
 424         * sem_timedwait.c: Likewise.
 425         * sem_post.c: Likewise.
 426         * sem_wait.c: Likewise.
 427
 428         * nptl 0.3 released.
 429
 430         * Makefile (tests): Add tst-signal3.
 431         * tst-signal3.c: New file.
 432
 433 2002-10-05  Ulrich Drepper  <drepper@redhat.com>
 434
 435         * sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that
 436         the asms modify the sem object.
 437         (__lll_sem_timedwait): Now takes struct sem* as first parameter.
 438
 439         * sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose
 440         the actual members.
 441         * pthreadP.h (struct sem): New type.  Actual semaphore type.
 442         * semaphoreP.h: Include pthreadP.h.
 443         * sem_getvalue.c: Adjust to sem_t change.
 444         * sem_init.c: Likewise.
 445         * sem_open.c: Likewise.
 446         * sem_post.c: Likewise.
 447         * sem_timedwait.c: Likewise.
 448         * sem_trywait.c: Likewise.
 449         * sem_wait.c: Likewise.
 450
 451 2002-10-04  Ulrich Drepper  <drepper@redhat.com>
 452
 453         * Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3.
 454         * tst-basic2.c: New file.
 455         * tst-exec1.c: New file.
 456         * tst-exec2.c: New file.
 457         * tst-exec3.c: New file.
 458
 459         * tst-fork1.c: Remove extra */.
 460
 461         * nptl 0.2 released.  The API for IA-32 is complete.