nptl/ChangeLog

   1 2002-12-06  Ulrich Drepper  <drepper@redhat.com>
   2
   3         * Makefile (tests): Add tst-stdio1 and tst-stdio2.
   4         * tst-stdio1.c: New file.
   5         * tst-stdio2.c: New file.
   6
   7         * init.c (__pthread_initialize_minimal): Correct INIT_LIST_HEAD use.
   8
   9         * Makefile (tests): Comment out tst-locale2 for now.
  10         (CFLAGS-flockfile.c, CFLAGS-funlockfile.c): Define to -D_IO_MTSAFE_IO.
  11
  12         * sysdeps/unix/sysv/linux/Makefile: Define CFLAGS-fork.c to
  13         -D_IO_MTSAFE_IO.
  14         * sysdeps/unix/sysv/linux/fork.c: Include <bits/stdio-lock.h>.
  15         Use _IO_lock_init instead of explicit assignment.
  16
  17         * sysdeps/pthread/bits/libc-lock.h: Define __rtld_lock_* macros.
  18         Define __libc_lock_* and __libc_lock_recursive macros with
  19         lowlevellock macros, not pthread mutexes.
  20
  21         * flockfile.c: Include <bits/stdio-lock.h>.  Use _IO_lock_lock instead
  22         of pthread_mutex_lock.
  23         * funlockfile.c: Include <bits/stdio-lock.h>.  Use _IO_lock_unlock
  24         instead of pthread_mutex_unlock.
  25
  26 2002-12-06  Roland McGrath  <roland@redhat.com>
  27
  28         * allocatestack.c (__stack_user): Use uninitialized defn.
  29         * init.c (__pthread_initialize_minimal): Initialize it here.
  30
  31 2002-12-05  Roland McGrath  <roland@redhat.com>
  32
  33         * sysdeps/i386/tls.h (TLS_INIT_TP): Make it return zero or an error
  34         string.
  35         * sysdeps/x86_64/tls.h (TLS_INIT_TP): Likewise.
  36
  37         * sysdeps/unix/sysv/linux/i386/createthread.c (create_thread): Add
  38         missing & here too.
  39
  40 2002-12-05  Ulrich Drepper  <drepper@redhat.com>
  41
  42         * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
  43         lowlevellock.
  44         * sysdeps/unix/sysv/linux/i386/i486/libc-lowlevellock.S: New file.
  45         * sysdeps/unix/sysv/linux/i386/i586/libc-lowlevellock.S: New file.
  46         * sysdeps/unix/sysv/linux/i386/i686/libc-lowlevellock.S: New file.
  47         * sysdeps/pthread/bits/libc-lock.h: Use lowlevellock implementation
  48         for __libc_lock_* macros.
  49         * Makefile (routines): Add libc-lowlevellock.
  50
  51 2002-10-09  Roland McGrath  <roland@redhat.com>
  52
  53         * sysdeps/pthread/bits/libc-lock.h (__libc_maybe_call): New macro.
  54         Under [__PIC__], call the function via the pointer fetched for
  55         comparison rather than a call by name that uses the PLT.
  56         (__libc_lock_init, __libc_rwlock_init, __libc_lock_fini)
  57         (__libc_rwlock_fini, __libc_lock_lock, __libc_rwlock_rdlock)
  58         (__libc_rwlock_wrlock, __libc_lock_trylock, __libc_rwlock_tryrdlock)
  59         (__libc_rwlock_trywrlock, __libc_lock_unlock, __libc_rwlock_unlock)
  60         (__libc_key_create, __libc_getspecific, __libc_setspecific): Use it.
  61
  62 2002-12-04  Roland McGrath  <roland@redhat.com>
  63
  64         * forward.c (pthread_self): Use FORWARD3 macro to correct return type.
  65
  66         * sysdeps/i386/td_ta_map_lwp2thr.c: Moved from ../nptl_db.
  67         * sysdeps/generic/td_ta_map_lwp2thr.c: New file.
  68
  69         * pthread_create.c (start_thread): Add missing & on __nptl_last_event.
  70
  71 2002-12-04  Ulrich Drepper  <drepper@redhat.com>
  72
  73         * sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Make pthread_t
  74         a completely opaque, non-integer type.
  75         * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Likewise.
  76
  77 2002-12-05  Jakub Jelinek  <jakub@redhat.com>
  78
  79         * sysdeps/i386/tls.h: Include stdlib.h.
  80         * sysdeps/x86_64/tls.h: Likewise.
  81
  82 2002-12-04  Ulrich Drepper  <drepper@redhat.com>
  83
  84         * Makefile (tests): Add tst-locale2.
  85         (tests-static): Likewise.
  86         * tst-locale2.c: New file.
  87
  88         * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Mark asms as
  89         volatile and add memory clobbers to lock operations.
  90
  91 2002-12-03  Ulrich Drepper  <drepper@redhat.com>
  92
  93         * sysdeps/i386/i686/bits/atomic.h: Use i486 version.
  94         * sysdeps/i386/i486/bits/atomic.h: New file.
  95         * sysdeps/i386/i586/bits/atomic.h: New file.
  96         * sysdeps/i386/i686/pthread_spin_trylock.S: Define HAVE_CMOV and
  97         include i486 version.
  98         * sysdeps/i386/i486/pthread_spin_trylock.S: New file.
  99         * sysdeps/i386/i586/pthread_spin_trylock.S: New file.
 100         Patch by Marjin Ros <marjin@mad.scientist.com>.
 101
 102         * allocatestack.c (get_cached_stack): Don't crash if we first
 103         found a stack with a larger size then needed.
 104         Reported by Hui Huang <hui.huang@sun.com>.
 105
 106         * Makefile (tests): Add tst-sysconf.
 107         * tst-sysconf.c: New file.
 108
 109         * sysdeps/unix/sysv/linux/bits/local_lim.h: Undefine
 110         PTHREAD_THREADS_MAX.
 111
 112 2002-12-02  Roland McGrath  <roland@redhat.com>
 113
 114         * pthreadP.h (__stack_user, __nptl_create_event, __nptl_death_event):
 115         Declare using hidden_proto instead of attribute_hidden, so there are
 116         non-.hidden static symbols for gdb to find.
 117         (__pthread_keys): Likewise.
 118         * events.c (__nptl_create_event, __nptl_death_event): Add hidden_def.
 119         * allocatestack.c (__stack_user): Likewise.
 120         * pthread_create.c (__pthread_keys): Likewise.
 121         (__nptl_threads_events, __nptl_last_event): Make these static instead
 122         of hidden.
 123         * pthread_key_create.c (__pthread_pthread_keys_max,
 124         __pthread_pthread_key_2ndlevel_size): Renamed from __linuxthreads_*.
 125
 126 2002-12-02  Ulrich Drepper  <drepper@redhat.com>
 127
 128         * Makefile (tests): Add tst-locale1.  If buid-static is yes link
 129         statically.
 130         * tst-locale1.c: New file.
 131
 132         * pthread_cond_timedwait.c: Include <stdlib.h>.
 133
 134         * Makefile (tests): Add tst-fork2 and tst-fork3.
 135         * tst-fork2.c: New file.
 136         * tst-fork3.c: New file.
 137
 138 2002-11-28  Ulrich Drepper  <drepper@redhat.com>
 139
 140         * sysdeps/unix/sysv/linux/i386/bits/posix_opt.h: New file.
 141
 142         * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define macros which
 143         require it to 200112L.
 144
 145         * sysdeps/unix/sysv/linux/i386/i486/lowlevelrwlock.S: Use cmov
 146         instruction only if HAVE_CMOV is defined.
 147         * sysdeps/unix/sysv/linux/i386/i686/lowlevelrwlock.S: Define HAVE_CMOV.
 148
 149         * sysdeps/unix/sysv/linux/x86_64/bits/semaphore.h: New file.
 150
 151         * sysdeps/unix/sysv/linux/x86_64/pthread_once.S: New file.
 152
 153         * sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: New file.
 154
 155         * sysdeps/unix/sysv/linux/x86_64/pt-vfork.S: New file.
 156
 157 2002-11-27  Ulrich Drepper  <drepper@redhat.com>
 158
 159         * sysdeps/x86_64/bits/atomic.h: New file.
 160
 161         * sysdeps/i386/i686/bits/atomic.h: Fix asm syntax for 8- and
 162         16-bit operations.
 163
 164         * sysdeps/unix/sysv/linux/raise.c (raise): Use INTERNAL_SYSCALL if
 165         possible since gettid cannot fail.
 166
 167         * sysdeps/x86_64/pthreaddef.h: New file.
 168
 169         * sysdeps/i386/pthreaddef.h (gettid): Removed.
 170
 171         * sysdeps/x86_64/pthread_spin_init.c: New file.
 172         * sysdeps/x86_64/pthread_spin_lock.c: New file.
 173         * sysdeps/x86_64/pthread_spin_trylock.c: New file.
 174         * sysdeps/x86_64/pthread_spin_unlock.c: New file.
 175
 176         * sysdeps/i386/i686/pthread_spin_trylock.S (pthread_spin_trylock):
 177         Add missing lock prefix.  Minute optimization.
 178
 179         * tst-spin2.c (main): Also check successful trylock call.
 180
 181         * sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Use correct
 182         syscall.  Fix typo in case INTERNAL_SYSCALL is not used.
 183
 184         * sysdeps/i386/pthread_spin_destroy.c: Moved to...
 185         * sysdeps/pthread/pthread_spin_destroy.c: ...here.  New file.
 186
 187         * sysdeps/i386/pthread_sigmask.c: Removed.  Use the generic code.
 188         * sysdeps/pthread/pthread_sigmask.c (pthread_sigmask): Return correct
 189         value in case of an error.  Add support for INTERNAL_SYSCALL.
 190
 191         * sysdeps/i386/pthread_sigmask.c (pthread_sigmask): Return correct
 192         value in case of an error.
 193
 194         * sysdeps/x86_64/tls.h: New file.
 195
 196 2002-11-26  Ulrich Drepper  <drepper@redhat.com>
 197
 198         * sysdeps/i386/tls.h (THREAD_GETMEM_NC): Change interface.  It now
 199         takes the array member name and the index as parameters.
 200         (THREAD_SETMEM_NC): Likewise.
 201         * pthread_getspecific.c: Use new THREAD_GETMEM_NC interface.
 202         * pthread_setspecific.c: Use new THREAD_GETMEM_NC and THREAD_SETMEM_NC
 203         interfaces.
 204
 205         * sysdeps/i386/tls.h (THREAD_SETMEM): Use size of member element
 206         to decide which code to use.
 207         (THREAD_SETMEM_NC): Likewise.
 208
 209         * allocatestack.c (queue_stack): Don't remove stack from list here.
 210         Do it in the caller.  Correct condition to prematurely terminate
 211         loop to free stacks.
 212         (__deallocate_stack): Remove stack from list here.
 213
 214 2002-11-26  Ulrich Drepper  <drepper@redhat.com>
 215
 216         * Makefile (tests): Add tst-stack1.
 217         * tst-stack1.c: New file.
 218
 219         * allocatestack.c (allocate_stack): Initialize the TCB on a user
 220         provided stack.
 221
 222         * pthread_attr_getstack.c: Return bottom of the thread area.
 223
 224 2002-11-25  Ulrich Drepper  <drepper@redhat.com>
 225
 226         * Makefile (libpthread-routines): Add pt-allocrtsig and
 227         pthread_kill_other_threads.
 228         * pt-allocrtsig.c: New file.
 229         * pthread_kill_other_threads.c: New file.
 230         * sysdeps/unix/sysv/linux/allocrtsig.c: Add additional aliases for
 231         all three functions.
 232         * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Remove
 233         allocrtsig.
 234         * sysdeps/unix/sysv/linux/Versions (libc:GLIBC_PRIVATE): Export
 235         __libc_current_sigrtmin_private, __libc_current_sigrtmax_private,
 236         and __libc_allocate_rtsig_private.
 237         * Versions (libpthread): Export pthread_kill_other_threads_np,
 238         __libc_current_sigrtmin, and __libc_current_sigrtmax.
 239
 240 2002-11-24  Ulrich Drepper  <drepper@redhat.com>
 241
 242         * allocatestack.c (allocate_stack): stackaddr in attribute points to
 243         the end of the stack.  Adjust computations.
 244         When mprotect call fails dequeue stack and free it.
 245         * pthread_attr_setstack.c: Store top of the stack in stackaddr
 246         attribute.
 247         * pthread_getattr_np.c: Likewise.
 248
 249         * descr.h (IS_DETACHED): Add some more parenthesis to prevent
 250         surprises.
 251
 252 2002-11-23  Ulrich Drepper  <drepper@redhat.com>
 253
 254         * sysdeps/pthread/pthread.h (pthread_self): __THROW must come before
 255         attribute definitions.  Patch by Luca Barbieri <ldb@ldb.ods.org>.
 256
 257 2002-11-22  Ulrich Drepper  <drepper@redhat.com>
 258
 259         * pthread_getspecific.c: Optimize access to first 2nd-level array.
 260         * pthread_setspecific.c: Likewise.
 261
 262 2002-11-21  Ulrich Drepper  <drepper@redhat.com>
 263
 264         * sysdeps/unix/sysv/linux/i386/createthread.c: Remove CLONE_ flags
 265         definitions.  Get them from the official place.
 266         * sysdeps/unix/sysv/linux/i386/fork.c: Likewise.
 267
 268         * sysdeps/unix/sysv/linux/i386/createthread.c: Update CLONE_* flags.
 269         Use new CLONE_ flags in clone() calls.
 270
 271         * sysdeps/unix/sysv/linux/fork.c: Use ARCH_FORK to actually fork.
 272         * sysdeps/unix/sysv/linux/i386/fork.c: New file.
 273
 274         * Versions: Add pthread_* functions for libc.
 275         * forward.c: New file.
 276
 277         * sysdeps/pthread/Makefile (libpthread-sysdeps_routines): Add
 278         errno-loc.
 279         * herrno.c: New file.
 280         * res.c: New file.
 281
 282         * Makefile (libpthread-routines): Remove sem_post, sem_wait,
 283         sem_trywait, and sem_timedwait.  Add herrno and res.
 284         * sem_init.c: Don't initialize lock and waiters members.
 285         * sem_open.c: Likewise.
 286         * sem_post.c: Removed.
 287         * sem_wait.c: Removed.
 288         * sem_trywait.c: Removed.
 289         * sem_timedwait.c: Removed.
 290         * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Complete rewrite.
 291         Includes full implementations of sem_post, sem_wait, sem_trywait,
 292         and sem_timedwait.
 293         * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Adjust
 294         for new implementation.
 295         * sysdeps/unix/sysv/linux/internaltypes.h (struct sem): Remove lock
 296         and waiters fields.
 297
 298         * tst-sem3.c: Improve error message.
 299         * tst-signal3.c: Likewise.
 300
 301         * init.c (__pthread_initialize_minimal): Use set_tid_address syscall
 302         to tell the kernel about the termination futex and to initialize tid
 303         member.  Don't initialize main_thread.
 304         * descr.h (struct pthread): Remove main_thread member.
 305         * cancelllation.c (__do_cancel): Remove code handling main thread.
 306         The main thread is not special anymore.
 307
 308         * allocatestack.c (__reclaim_stacks): Mark stacks as unused.  Add
 309         size of the stacks to stack_cache_actsize.
 310
 311         * pt-readv.c: Add missing "defined".
 312         * pt-sigwait.c: Likewise.
 313         * pt-writev.c: Likewise.
 314
 315 2002-11-09  Ulrich Drepper  <drepper@redhat.com>
 316
 317         * Versions: Export __connect from libpthread.
 318         Patch by Luca Barbieri <ldb@ldb.ods.org>.
 319
 320         * Makefile (libpthread-routines): Add pt-raise.
 321         * sysdeps/unix/sysv/linux/raise.c: New file.
 322         * sysdeps/unix/sysv/linux/pt-raise.c: New file.
 323         * sysdeps/generic/pt-raise.c: New file.
 324
 325         * pthread_cond_init.c: Initialize all data elements of the condvar
 326         structure.  Patch by Luca Barbieri <ldb@ldb.ods.org>.
 327
 328         * pthread_attr_init.c: Actually implement 2.0 compatibility version.
 329         * pthread_create.c: Likewise.
 330
 331         * Makefile (tests): Add tst-key1, tst-key2, tst-key3.
 332         * tst-key1.c: New file.
 333         * tst-key2.c: New file.
 334         * tst-key3.c: New file.
 335
 336         * Versions: Export pthread_detach for version GLIBC_2.0.
 337         Reported by Saurabh Desai <sdesai@austin.ibm.com>.
 338
 339 2002-11-08  Ulrich Drepper  <drepper@redhat.com>
 340
 341         * pthread_key_create.c: Terminate search after an unused key was found.
 342         Patch by Luca Barbieri <ldb@ldb.ods.org>.
 343
 344         * sysdeps/unix/sysv/linux/i386/pthread_once.S: Return zero.
 345         Patch by Luca Barbieri <ldb@ldb.ods.org>.
 346
 347 2002-10-10  Ulrich Drepper  <drepper@redhat.com>
 348
 349         * sysdeps/unix/sysv/linux/i386/i486/lowlevelsem.S: Use slow generic
 350         dynamic lookup for errno in PIC.
 351
 352         * allocatestack.c (get_cached_stack): Rearrange code slightly to
 353         release the stack lock as soon as possible.
 354         Call _dl_allocate_tls_init for TCB from the cache to re-initialize
 355         the static TLS block.
 356         (allocate_stack): Call _dl_allocate_tls_init for user-provided stack.
 357
 358         * cancellation.c: Renamed from cancelation.c.
 359         * Makefile: Adjust accordingly.
 360         * pthreadP.h (CANCELLATION_P): Renamed from CANCELATION_P.
 361         * cleanup_defer.c: Use CANCELLATION_P.
 362         * pthread_testcancel.c: Likewise.
 363         * descr.h: Fix spelling in comments.
 364         * init.c: Likewise.
 365         * pthread_getattr_np.c: Likewise.
 366         * pthread_getschedparam.c: Likewise.
 367         * pthread_setschedparam.c: Likewise.
 368         * Versions: Likewise.
 369
 370         * pt-pselect.c: New file.
 371         * Makefile (libpthread-routines): Add pt-pselect.
 372         * Versions: Add pselect.
 373
 374         * tst-cancel4.c: New file.
 375         * Makefile (tests): Add tst-cancel4.
 376
 377 2002-10-09  Ulrich Drepper  <drepper@redhat.com>
 378
 379         * pthread_mutex_lock.c: Always record lock ownership.
 380         * pthread_mutex_timedlock.c: Likewise.
 381         * pthread_mutex_trylock.c: Likewise.
 382
 383         * pt-readv.c: New file.
 384         * pt-writev.c: New file.
 385         * pt-creat.c: New file.
 386         * pt-msgrcv.c: New file.
 387         * pt-msgsnd.c: New file.
 388         * pt-poll.c: New file.
 389         * pt-select.c: New file.
 390         * pt-sigpause.c: New file.
 391         * pt-sigsuspend.c: New file.
 392         * pt-sigwait.c: New file.
 393         * pt-sigwaitinfo.c: New file.
 394         * pt-waitid.c: New file.
 395         * Makefile (libpthread-routines): Add pt-readv, pt-writev, pt-creat,
 396         pt-msgrcv, pt-msgsnd, pt-poll, pt-select, pt-sigpause, pt-sigsuspend,
 397         pt-sigwait, pt-sigwaitinfo, and pt-waitid.
 398         * Versions: Add all the new functions.
 399
 400         * tst-exit1.c: New file.
 401         * Makefile (tests): Add tst-exit1.
 402
 403         * sem_timedwait.c: Minor optimization for more optimal fastpath.
 404
 405 2002-10-08  Ulrich Drepper  <drepper@redhat.com>
 406
 407         * pt-fcntl.c: Only enable asynchronous cancellation for F_SETLKW.
 408
 409         * pthread_join.c: Enable asynchronous cancellation around lll_wait_tid
 410         call.  pthread_join is an official cancellation point.
 411         * pthread_timedjoin.c: Likewise.
 412
 413         * pthread_cond_wait.c: Revert order in which internal lock are dropped
 414         and the condvar's mutex are retrieved.
 415         * pthread_cond_timedwait.c: Likewise.
 416         Reported by dice@saros.East.Sun.COM.
 417
 418 2002-10-07  Ulrich Drepper  <drepper@redhat.com>
 419
 420         * pthreadP.h: Cut out all type definitions and move them...
 421         * sysdeps/unix/sysv/linux/internaltypes.h: ...here.  New file.
 422         * pthreadP.h: Include <internaltypes.h>.
 423
 424         * sysdeps/unix/sysv/linux/i386/lowlevelsem.h (lll_sem_post): Little
 425         performance tweaks.
 426
 427         * sem_trywait.c: Shuffle #includes around to get right order.
 428         * sem_timedwait.c: Likewise.
 429         * sem_post.c: Likewise.
 430         * sem_wait.c: Likewise.
 431
 432         * nptl 0.3 released.
 433
 434         * Makefile (tests): Add tst-signal3.
 435         * tst-signal3.c: New file.
 436
 437 2002-10-05  Ulrich Drepper  <drepper@redhat.com>
 438
 439         * sysdeps/unix/sysv/linux/i386/lowlevelsem.h: Tell the compiler that
 440         the asms modify the sem object.
 441         (__lll_sem_timedwait): Now takes struct sem* as first parameter.
 442
 443         * sysdeps/unix/sysv/linux/i386/bits/semaphore.h (sem_t): Don't expose
 444         the actual members.
 445         * pthreadP.h (struct sem): New type.  Actual semaphore type.
 446         * semaphoreP.h: Include pthreadP.h.
 447         * sem_getvalue.c: Adjust to sem_t change.
 448         * sem_init.c: Likewise.
 449         * sem_open.c: Likewise.
 450         * sem_post.c: Likewise.
 451         * sem_timedwait.c: Likewise.
 452         * sem_trywait.c: Likewise.
 453         * sem_wait.c: Likewise.
 454
 455 2002-10-04  Ulrich Drepper  <drepper@redhat.com>
 456
 457         * Makefile (tests): Add tst-basic2, tst-exec1, tst-exec3, tst-exec3.
 458         * tst-basic2.c: New file.
 459         * tst-exec1.c: New file.
 460         * tst-exec2.c: New file.
 461         * tst-exec3.c: New file.
 462
 463         * tst-fork1.c: Remove extra */.
 464
 465         * nptl 0.2 released.  The API for IA-32 is complete.