linuxthreads/ChangeLog

   1 1998-06-25 19:27  Ulrich Drepper  <drepper@cygnus.com>
   2
   3         * attr.c: Finish user stack support.  Change locking code to be safe
   4         in situations with different priorities.
   5         * cancel.c: Likewise.
   6         * condvar.c: Likewise.
   7         * internals.h: Likewise.
   8         * join.c: Likewise.
   9         * manager.c: Likewise.
  10         * mutex.c: Likewise.
  11         * pthread.c: Likewise.
  12         * ptlongjmp.c: Likewise.
  13         * queue.h: Likewise.
  14         * rwlock.c: Likewise.
  15         * semaphore.c: Likewise.
  16         * semaphore.h: Likewise.
  17         * signals.c: Likewise.
  18         * spinlock.c: Likewise.
  19         * spinlock.h: Likewise.
  20         * sysdeps/pthread/pthread.h: Likewise.
  21         Patches by Xavier leroy.
  22
  23         * sysdeps/i386/pt-machine.h: When compiling for i686 don't test for
  24         xchgcmp instruction, it is available.
  25
  26 1998-06-25  Ulrich Drepper  <drepper@cygnus.com>
  27
  28         * sysdeps/pthread/pthread.h: Make [sg]et_stacksize and
  29         [sg]et_stackaddr prototypes always available.
  30
  31         * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
  32         _POSIX_THREAD_ATTR_STACKSIZE and _POSIX_THREAD_ATTR_STACKADDR.
  33
  34 1998-06-24  Ulrich Drepper  <drepper@cygnus.com>
  35
  36         * manager.c (pthread_free): Undo patch from 980430.
  37         Reported by David Wragg <dpw@doc.ic.ac.uk>.
  38
  39 1998-06-09 15:07  Ulrich Drepper  <drepper@cygnus.com>
  40
  41         * manager.c: Define __pthread_manager_adjust_prio and use it to
  42         increase priority when needed.
  43         * internals.h: Add prototype for __pthread_manager_adjust_prio.
  44         * mutex.c: Optimize mutexes to wake up only one thread.
  45         * pthread.c: Move PID of manager fro global variable in structure
  46         element.
  47         Patches by Xavier Leroy.
  48
  49 1998-06-07 13:47  Ulrich Drepper  <drepper@cygnus.com>
  50
  51         * sysdeps/pthread/bits/libc-lock.h: Optimize cleanup handlers a bit.
  52
  53 1998-06-03  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
  54
  55         * attr.c: Correct typo.
  56
  57 1998-05-01  Ulrich Drepper  <drepper@cygnus.com>
  58
  59         * manager.c (pthread_free): Unmap guard before the stack.
  60         Patch by Matthias Urlichs.
  61
  62 1998-04-30  Ulrich Drepper  <drepper@cygnus.com>
  63
  64         * manager.c (pthread_free): Detect already free child.
  65         Patch by Xavier Leroy, reported by Matthias Urlichs.
  66
  67 1998-04-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
  68
  69         * Makefile (linuxthreads-version): Renamed back from
  70         libpthread-version.
  71
  72 1998-04-21  Ulrich Drepper  <drepper@cygnus.com>
  73
  74         * ptlongjmp.c: Add prototypes for __libc_siglongjmp and
  75         __libc_longjmp.
  76
  77 1998-04-20 14:55  Ulrich Drepper  <drepper@cygnus.com>
  78
  79         * Makefile (libpthread-routines): Add ptlongjmp and spinlock.
  80         * internals.h: Add definitions for new spinlock implementation.
  81         * ptlongjmp.c: New file.
  82         * spinlock.c: New file.
  83         * spinlock.h (acquire): Don't reschedule using __sched_yield, use
  84         new function __pthread_acquire to prevent deadlocks with thread
  85         with different priorities.
  86         Patches by Xavier Leroy <Xavier.Leroy@inria.fr>.
  87
  88 1998-03-16  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
  89
  90         * manager.c (__pthread_manager): Reduce first argument to select
  91         to include just the needed file descriptor.
  92
  93 1998-03-17 00:06  Ulrich Drepper  <drepper@cygnus.com>
  94
  95         * manager.c: Fix last patch which caused core dumps.
  96
  97         * pthread.c: Correctly handle missing SIGRTMIN.
  98
  99 1998-03-15  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 100
 101         * libpthread.map: Add __libc_internal_tsd_get and
 102         __libc_internal_tsd_set.  Add missing cancelable functions. Export
 103         libc internal versions of the cancelable functions.
 104
 105 1998-03-13 16:51  Ulrich Drepper  <drepper@cygnus.com>
 106
 107         * weaks.c: Define pthread_attr_init as GLIBC_2.0 and GLIBC_2.1.
 108
 109 1998-03-13 00:46  Ulrich Drepper  <drepper@cygnus.com>
 110
 111         * attr.c: Implement pthread_attr_[gs]etguardsize,
 112         pthread_attr_[gs]setstackaddr, pthread_attr_[gs]etstacksize.
 113         Change pthread_attr_init to have two interfaces.
 114         * internals.h (struct _pthread_descr_struct): Add new fields for
 115         above functions.
 116         * libpthread.map: Add names in GLIBC_2.1 section.
 117         * manager.c (pthread_handle_create): Implement guardsize and
 118         user stack.
 119         (pthread_free): Likewise.
 120         * pthread.c (pthread_create): Add new interface for changed
 121         pthread_attr_t.
 122         * sysdeps/pthread/pthread.h: Add prototypes for new functions.
 123         * sysdeps/unix/sysv/linux/bits/local_lim.h: Add definition of
 124         PTHREAD_STACK_MIN.
 125
 126 1998-03-11 00:42  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>
 127
 128         * manager.c: Enable resetting of the thread scheduling policy
 129         to SCHED_OTHER when the parent thread has a different one.
 130
 131 1998-02-01 13:51  Ulrich Drepper  <drepper@cygnus.com>
 132
 133         * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define
 134         _POSIX_ASYNCHRONOUS_IO.
 135
 136         * sysdeps/pthread/pthread.h: Define bits for Unix98 variants of
 137         mutexes.
 138         * mutex.c: Implement new mutex types.
 139
 140         * internals.h: Include <signal.h>.
 141
 142         * libpthread.map: Add __erno_location and __h_errno_location.
 143
 144         * errno.c: Return pointer to variable actually in use.  This might
 145         not be the one in the thread structure.
 146         * internals.h (struct _pthread_descr_struct): Add new fields p_errnop
 147         and p_h_errnop.
 148         * manager.c (__pthread_manager): Set p_errnop and p_h_errnop member
 149         of manager thread structure.
 150         (pthread_handle_create): Set p_errnop and p_h_errnop members for new
 151         thread.
 152         * pthread.c: Adapt initializer for thread structures.
 153         (__pthread_initial_thread): Set p_errnop and p_h_errnop member.
 154         (__pthread_reset_main_thread): Reset p_errnop and p_h_errnop of
 155         current thread to global variables.
 156
 157 1998-01-31 17:27  Ulrich Drepper  <drepper@cygnus.com>
 158
 159         * rwlock.c: New file.
 160         * Makefile (libpthread-routines): Add rwlock.
 161         * sysdeps/pthread/pthread.h: Define data structures and declare
 162         functions.
 163         * libpthread.map: Add new functions.
 164
 165 1997-12-18 13:50  Philip Blundell  <pb@nexus.co.uk>
 166
 167         * sysdeps/arm/pt-machine.h: New file; add ARM support.
 168         * sysdeps/arm/Implies: likewise.
 169         * README: Document it.
 170
 171 1997-12-13  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 172
 173         * signals.c: Remove unneeded initializer for sigwaited, saving a
 174         warning.
 175
 176 1997-04-11 01:18  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 177
 178         * semaphore.c (sem_init): Set sem_spinlock only if available.
 179
 180 1997-12-04 01:48  Ulrich Drepper  <drepper@cygnus.com>
 181
 182         * mutex.c: Implement PTHREAD_MUTEX_CHECKERROR.
 183         * sysdeps/pthread/pthread.h: Define PTHREAD_MUTEX_CHECKERROR.
 184
 185         * Makefile: Update from LinuxThreads 0.7.
 186         * internals.h. Likewise.
 187         * manager.c: Likewise.
 188         * mutex.c: Likewise.
 189         * pthread.c: Likewise.
 190         * signals.c: Likewise.
 191         * specific.c: Likewise.
 192         * Examples/ex3.c: Likewise.
 193
 194 1997-11-20 18:13  Ulrich Drepper  <drepper@cygnus.com>
 195
 196         * pthread.c (__pthread_reset_main_thread): Close pipe only if still
 197         open.
 198
 199 1997-10-29 05:38  Ulrich Drepper  <drepper@cygnus.com>
 200
 201         * wrapsyscall.c: Add socket functions which are also cancelation
 202         points.
 203
 204 1997-10-19 21:40  Wolfram Gloger  <wg@wolfram.dent.med.uni-muenchen.de>
 205
 206         * specific.c (__libc_internal_tsd_set, __libc_internal_tsd_get):
 207         New functions for fast thread specific data within libc.
 208
 209         * internals.h: Add new array p_libc_specific to struct
 210         _pthread_descr_struct.
 211
 212         * sysdeps/pthread/bits/libc-lock.h: Declare new functions.
 213
 214 1997-10-13 05:39  Ulrich Drepper  <drepper@cygnus.com>
 215
 216         * semaphore.h: Add __BEGIN_DECLS/__END_DECLS.
 217         Reported by Ralf Corsepius <corsepiu@faw.uni-ulm.de>.
 218
 219 1997-08-29 03:05  Ulrich Drepper  <drepper@cygnus.com>
 220
 221         * internals.h (struct _pthread_descr_struct): Add definitions for
 222         two-level specific key handling.
 223         * manager.c (pthread_handle_create): Initialize specific memory array.
 224         * specific.c: Implement two-level key handling.
 225         * weaks.c: Don't provide dummy key handling.
 226         * sysdeps/pthread/bits/libc-lock.h: Typedef __libc_lock_t (no #define).
 227         Add definition of __libc_key_t.
 228         * sysdeps/unix/sysv/linux/bits/local_lim.h: Define PTHREAD_KEYS_MAX
 229         as 1024.
 230         Add definition of _POSIX_THREAD_DESTRUCTOR_ITERATIONS and
 231         PTHREAD_DESTRUCTOR_ITERATIONS.
 232
 233         * manager.c (pthread_handle_create): Compare mmap result with
 234         MAP_FAILED.
 235
 236         * ptfork.c: Rename to __pthread_atfork and make old name a weak alias.
 237         * sysdeps/pthread/bits/pthread.h: Add prototype for __pthread_atfork.
 238
 239 1997-08-22 19:04  Richard Henderson  <rth@cygnus.com>
 240
 241         sysdeps/sparc -> sysdeps/sparc/sparc32
 242         sysdeps/sparc64 -> sysdeps/sparc/sparc64
 243
 244         * internals.h: Change definition of THREAD_SELF to be an expression,
 245         not a statement that did a return.
 246         * sysdeps/alpha/pt-machine.h (THREAD_SELF): Update accordingly.
 247         * sysdeps/sparc/sparc32/pt-machine.h (THREAD_SELF, INIT_THREAD_SELF):
 248         Follow Solaris and use a "system reserved" register (%g6) to hold
 249         the thread descriptor.
 250         * sysdeps/sparc/sparc64/pt-machine.h: Likewise.
 251
 252 1997-08-03 00:09  Ulrich Drepper  <drepper@cygnus.com>
 253
 254         * mutex.c: Correct pthread_once.  Patch by Xavier Leroy.
 255         * sysdeps/pthread/pthread.h: Add prototype for __pthread_once.
 256         * sysdeps/pthread/bits/pthread.h: Add macros for __libc_once.
 257
 258         * semaphore.c: Include spinlock.h only when needed.
 259
 260         * specific.c (__pthread_setsepcific, __pthread_getspecific): Reject
 261         keys for entries not in use.
 262
 263         * weaks.c: Implement key handling functions for real.
 264
 265 1997-06-29  01:04  Richard Henderson  <richard@gnu.ai.mit.edu>
 266
 267         Initial sparc64-linux support:
 268         * linuxthreads/sysdeps/sparc64/Implies: New file.
 269         * linuxthreads/sysdeps/sparc64/pt-machine.h: Likewise.
 270
 271 1997-06-29 00:48  Ulrich Drepper  <drepper@cygnus.com>
 272
 273         * semaphore.c: Include spinlock.h at correct place.
 274         Patch by HJ Lu.
 275
 276 1997-06-13 10:06  Richard Henderson  <rth@tamu.edu>
 277
 278         The Great Bit File Move:
 279         * sysdeps/alpha/semaphorebits.h: -> .../bits/semaphore.h.
 280         * sysdeps/powerpc/semaphorebits.h: Likewise.
 281         * sysdeps/pthread/cmpxchg/semaphorebits.h: Likewise.
 282         * sysdeps/pthread/no-cmpxchg/semaphorebits.h: Likewise.
 283         * sysdeps/pthread/libc-lock.h: -> bits/
 284         * sysdeps/pthread/stdio-lock.h: Likewise.
 285         * sysdeps/unix/sysv/linux/local_lim.h: Likewise.
 286         * sysdeps/unix/sysv/linux/posix_opt.h: Likewise.
 287         * semaphore.h: Likewise.
 288         * sysdeps/pthread/pthread.h: Likewise.
 289
 290         * lockfile.c: <foo.h> -> <bits/foo.h>.
 291         * semaphore.h: Likewise.
 292
 293         * Makefile: (headers): foo.h -> bits/foo.h.
 294         * sysdeps/pthread/Makefile: Likewise.
 295
 296 1997-04-11 01:18  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>
 297
 298         * semaphore.c (sem_init): Set sem_spinlock only if available.
 299
 300         * sysdeps/m68k/pt-machine.h (testandset, __compare_and_swap): Fix
 301         asm constraints.
 302
 303 1997-04-09 03:00  Ulrich Drepper  <drepper@cygnus.com>
 304
 305         Update from LinuxThreads 0.6.
 306
 307         * attr.c (pthread_attr_getdetachstate): Use __sched_get_priority_max
 308         and __sched_get_priority_min instead of names without `__'.
 309
 310         * manager.c: Rewrite large parts to implement opaque pthread_t.
 311
 312         * cancel.c: Adapt for opaque pthread_t type.
 313         * condvar.c: Likewise.
 314         * errno.c: Likewise.
 315         * join.c: Likewise.
 316         * mutex.c: Likewise.
 317         * pthread.c: Likewise.
 318         * signals.c: Likewise.
 319         * specific.c: Likewise.
 320         * restart.h: Likewise.
 321         * queue.h: Likewise.
 322         * Examples/ex3.c: Likewise.
 323         * Examples/ex4.c: Likewise.
 324         * sysdeps/pthread/pthread.h: Likewise.
 325
 326         * pthread.c: Accumulate time for all threads in thread manager.
 327
 328         * semaphore.c: Implement fallback implementation for architectures
 329         sometimes missing compare-exchange operations.
 330
 331         * cancel.c (pthread_cancel): Validate handle argument.
 332         * join.c (pthread_join): Likewise.
 333         (pthread_detach): Likewise.
 334         * signals.c (pthread_kill): Likewise.
 335
 336         * spinlock.h (acquire): Use __sched_yield not sched_yield.
 337
 338         * queue.h (enqueue): Enqueue thread according to priority.
 339
 340         * internals.c (struct pthread_start_args): New struct for passing
 341         args to cloning function.
 342         (struct _pthread): Rename to _pthread_descr_struct and adapt for
 343         opaque pthread_t.
 344
 345         * Examples/Makefile (clean): Pass -f option to rm.
 346
 347         * sysdeps/i386/pt-machine.h: Add check for compare-exchange instruction
 348         and define TEST_FOR_COMPARE_AND_SWAP.
 349         * sysdeps/i386/i486/pt-machine.h: Removed.
 350
 351         * sysdeps/unix/sysv/linux/local_lim.h (PTHREAD_THREADS_MAX): Increase
 352         to 1024.
 353
 354 1997-04-04 16:38  Ulrich Drepper  <drepper@cygnus.com>
 355
 356         * restart.h (suspend): Clear p_signal before suspending.
 357         (suspend_with_cancellation): Likewise.
 358         Patch by Xavier Leroy <Xavier.Leroy@inria.fr>.
 359
 360         * weaks.c: Make __pthread_key_create return 1.
 361         * sysdeps/pthread/libc-lock.h: Define __libc_key_create,
 362         __libc_getspecific, __libc_setspecific, and __libc_key_t.
 363         * sysdeps/pthread/stdio-lock.h: Don't care for implementation not
 364         using libio.
 365
 366 1997-03-19 15:13  Miguel de Icaza  <miguel@nuclecu.unam.mx>
 367
 368         * sysdeps/sparc/pt-machine (RELEASE): Fix.
 369
 370 1997-03-01 07:55  Geoff Keating  <geoffk@ozemail.com.au>
 371
 372         * sysdeps/powerpc/Implies: Added.
 373         * sysdeps/powerpc/pt-machine.h: Added.
 374         * sysdeps/powerpc/semaphorebits.h: Added.
 375
 376 1997-01-22 01:22  Ulrich Drepper  <drepper@cygnus.com>
 377
 378         * linuxtheads/pthread.c (__pthread_initial_thread): Correct
 379         initializer.
 380         (__pthread_manager_thread): Likewise.
 381         Reported by Andreas Jaeger.
 382
 383 1997-01-18 22:15  Richard Henderson  <rth@tamu.edu>
 384
 385         Since sigset_t no longer fits in a register, we can't pass in the
 386         thread's initial mask so easily.  Take this opportunity to simplify
 387         the clone implementation by only accepting a single void* argument.
 388
 389         * linuxthreads/manager.c (__pthread_manager): Put thread vitals
 390         in the thread struct instead of as arguments through clone.
 391         (pthread_start_thread): Look for them there.
 392         * linuxthreads/internals.h (struct _pthread): Add p_initial_fn,
 393         p_initial_fn_arg, p_initial_mask.  Fix __pthread_manager proto.
 394         * linuxthreads/pthread.c (pthread_initialize_manager): Revise
 395         clone invocation.