pthreads/pthread.h

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
  25  *              All Rights Reserved
  26  *
  27  * Permission to use, copy, modify, and distribute this software and
  28  * its documentation for any purpose and without fee is hereby granted,
  29  * provided that the above copyright notice appears in all copies and
  30  * that both the copyright notice and this permission notice appear in
  31  * supporting documentation.
  32  *
  33  * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
  34  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  35  * FOR A PARTICULAR PURPOSE.
  36  *
  37  * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
  38  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  39  * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
  40  * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  41  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  42  *
  43  */
  44 /*
  45  * MkLinux
  46  */
  47
  48 /*
  49  * POSIX Threads - IEEE 1003.1c
  50  */
  51
  52 #ifndef _PTHREAD_H
  53 #define _PTHREAD_H
  54
  55 #include <_types.h>
  56 #ifndef __POSIX_LIB__
  57 #include <pthread_impl.h>
  58 #endif
  59 #include <sched.h>
  60 #include <time.h>
  61
  62 #ifndef _PTHREAD_ATTR_T
  63 #define _PTHREAD_ATTR_T
  64 typedef __darwin_pthread_attr_t         pthread_attr_t;
  65 #endif
  66
  67 #ifndef _PTHREAD_COND_T
  68 #define _PTHREAD_COND_T
  69 typedef __darwin_pthread_cond_t         pthread_cond_t;
  70 #endif
  71
  72 #ifndef _PTHREAD_CONDATTR_T
  73 #define _PTHREAD_CONDATTR_T
  74 typedef __darwin_pthread_condattr_t     pthread_condattr_t;
  75 #endif
  76
  77 #ifndef _PTHREAD_KEY_T
  78 #define _PTHREAD_KEY_T
  79 typedef __darwin_pthread_key_t          pthread_key_t;
  80 #endif
  81
  82 #ifndef _PTHREAD_MUTEX_T
  83 #define _PTHREAD_MUTEX_T
  84 typedef __darwin_pthread_mutex_t        pthread_mutex_t;
  85 #endif
  86
  87 #ifndef _PTHREAD_MUTEXATTR_T
  88 #define _PTHREAD_MUTEXATTR_T
  89 typedef __darwin_pthread_mutexattr_t    pthread_mutexattr_t;
  90 #endif
  91
  92 #ifndef _PTHREAD_ONCE_T
  93 #define _PTHREAD_ONCE_T
  94 typedef __darwin_pthread_once_t         pthread_once_t;
  95 #endif
  96
  97 #ifndef _PTHREAD_RWLOCK_T
  98 #define _PTHREAD_RWLOCK_T
  99 typedef __darwin_pthread_rwlock_t       pthread_rwlock_t;
 100 #endif
 101
 102 #ifndef _PTHREAD_RWLOCKATTR_T
 103 #define _PTHREAD_RWLOCKATTR_T
 104 typedef __darwin_pthread_rwlockattr_t   pthread_rwlockattr_t;
 105 #endif
 106
 107 #ifndef _PTHREAD_T
 108 #define _PTHREAD_T
 109 typedef __darwin_pthread_t              pthread_t;
 110 #endif
 111
 112 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
 113
 114 #ifndef _MACH_PORT_T
 115 #define _MACH_PORT_T
 116 typedef __darwin_mach_port_t            mach_port_t;
 117 #endif
 118
 119 #ifndef _SIGSET_T
 120 #define _SIGSET_T
 121 typedef __darwin_sigset_t               sigset_t;
 122 #endif
 123
 124 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
 125
 126 /*
 127  * These symbols indicate which [optional] features are available
 128  * They can be tested at compile time via '#ifdef XXX'
 129  * The way to check for pthreads is like so:
 130
 131  * #include <unistd.h>
 132  * #ifdef _POSIX_THREADS
 133  * #include <pthread.h>
 134  * #endif
 135
 136  */
 137
 138 /* These will be moved to unistd.h */
 139
 140 /*
 141  * Note: These data structures are meant to be opaque.  Only enough
 142  * structure is exposed to support initializers.
 143  * All of the typedefs will be moved to <sys/types.h>
 144  */
 145
 146 #include <sys/cdefs.h>
 147
 148 __BEGIN_DECLS
 149 /*
 150  * Threads
 151  */
 152
 153
 154 /*
 155  * Cancel cleanup handler management.  Note, since these are implemented as macros,
 156  * they *MUST* occur in matched pairs!
 157  */
 158
 159 #define pthread_cleanup_push(func, val) \
 160    { \
 161              struct __darwin_pthread_handler_rec __handler; \
 162              pthread_t __self = pthread_self(); \
 163              __handler.__routine = func; \
 164              __handler.__arg = val; \
 165              __handler.__next = __self->__cleanup_stack; \
 166              __self->__cleanup_stack = &__handler;
 167
 168 #define pthread_cleanup_pop(execute) \
 169              /* Note: 'handler' must be in this same lexical context! */ \
 170              __self->__cleanup_stack = __handler.__next; \
 171              if (execute) (__handler.__routine)(__handler.__arg); \
 172    }
 173
 174 /*
 175  * Thread attributes
 176  */
 177
 178 #define PTHREAD_CREATE_JOINABLE      1
 179 #define PTHREAD_CREATE_DETACHED      2
 180
 181 #define PTHREAD_INHERIT_SCHED        1
 182 #define PTHREAD_EXPLICIT_SCHED       2
 183
 184 #define PTHREAD_CANCEL_ENABLE        0x01  /* Cancel takes place at next cancellation point */
 185 #define PTHREAD_CANCEL_DISABLE       0x00  /* Cancel postponed */
 186 #define PTHREAD_CANCEL_DEFERRED      0x02  /* Cancel waits until cancellation point */
 187 #define PTHREAD_CANCEL_ASYNCHRONOUS  0x00  /* Cancel occurs immediately */
 188
 189 /* Value returned from pthread_join() when a thread is canceled */
 190 #define PTHREAD_CANCELED             ((void *) 1)
 191
 192 /* We only support PTHREAD_SCOPE_SYSTEM */
 193 #define PTHREAD_SCOPE_SYSTEM         1
 194 #define PTHREAD_SCOPE_PROCESS        2
 195
 196 /* We only support PTHREAD_PROCESS_PRIVATE */
 197 #define PTHREAD_PROCESS_SHARED         1
 198 #define PTHREAD_PROCESS_PRIVATE        2
 199
 200 /*
 201  * Mutex protocol attributes
 202  */
 203 #define PTHREAD_PRIO_NONE            0
 204 #define PTHREAD_PRIO_INHERIT         1
 205 #define PTHREAD_PRIO_PROTECT         2
 206
 207 /*
 208  * Mutex type attributes
 209  */
 210 #define PTHREAD_MUTEX_NORMAL            0
 211 #define PTHREAD_MUTEX_ERRORCHECK        1
 212 #define PTHREAD_MUTEX_RECURSIVE         2
 213 #define PTHREAD_MUTEX_DEFAULT           PTHREAD_MUTEX_NORMAL
 214 /*
 215  * RWLock variables
 216  */
 217
 218 #define PTHREAD_RWLOCK_INITIALIZER {_PTHREAD_RWLOCK_SIG_init, {0}}
 219 /*
 220  * Mutex variables
 221  */
 222
 223 #define PTHREAD_MUTEX_INITIALIZER {_PTHREAD_MUTEX_SIG_init, {0}}
 224
 225 /*
 226  * Condition variable attributes
 227  */
 228
 229 /*
 230  * Condition variables
 231  */
 232
 233 #define PTHREAD_COND_INITIALIZER {_PTHREAD_COND_SIG_init, {0}}
 234
 235 /*
 236  * Initialization control (once) variables
 237  */
 238
 239 #define PTHREAD_ONCE_INIT {_PTHREAD_ONCE_SIG_init, {0}}
 240
 241 /*
 242  * Prototypes for all PTHREAD interfaces
 243  */
 244 int       pthread_atfork(void (*)(void), void (*)(void),
 245                       void (*)(void));
 246 int       pthread_attr_destroy(pthread_attr_t *);
 247 int       pthread_attr_getdetachstate(const pthread_attr_t *,
 248                                       int *);
 249 int       pthread_attr_getguardsize(const pthread_attr_t * __restrict,
 250                                       size_t * __restrict);
 251 int       pthread_attr_getinheritsched(const pthread_attr_t * __restrict,
 252                                        int * __restrict);
 253 int       pthread_attr_getschedparam(const pthread_attr_t * __restrict,
 254                                      struct sched_param * __restrict);
 255 int       pthread_attr_getschedpolicy(const pthread_attr_t * __restrict,
 256                                       int * __restrict);
 257 int       pthread_attr_getscope(const pthread_attr_t * __restrict, int * __restrict);
 258 int       pthread_attr_getstack(const pthread_attr_t * __restrict,
 259                                       void ** __restrict, size_t * __restrict);
 260 int       pthread_attr_getstackaddr(const pthread_attr_t * __restrict,
 261                                       void ** __restrict);
 262 int       pthread_attr_getstacksize(const pthread_attr_t * __restrict,
 263                                       size_t * __restrict);
 264 int       pthread_attr_init(pthread_attr_t *);
 265 int       pthread_attr_setdetachstate(pthread_attr_t *,
 266                                       int );
 267 int       pthread_attr_setguardsize(pthread_attr_t *, size_t );
 268 int       pthread_attr_setinheritsched(pthread_attr_t *,
 269                                        int );
 270 int       pthread_attr_setschedparam(pthread_attr_t * __restrict,
 271                                      const struct sched_param * __restrict);
 272 int       pthread_attr_setschedpolicy(pthread_attr_t *,
 273                                       int );
 274 int       pthread_attr_setscope(pthread_attr_t *, int);
 275 int       pthread_attr_setstack(pthread_attr_t *,
 276                                       void *, size_t );
 277 int       pthread_attr_setstackaddr(pthread_attr_t *,
 278                                       void *);
 279 int       pthread_attr_setstacksize(pthread_attr_t *, size_t );
 280 int       pthread_cancel(pthread_t ) __DARWIN_ALIAS(pthread_cancel);
 281
 282 int       pthread_cond_broadcast(pthread_cond_t *);
 283 int       pthread_cond_destroy(pthread_cond_t *);
 284 //Begin-Libc
 285 #ifndef LIBC_ALIAS_PTHREAD_COND_INIT
 286 //End-Libc
 287 int       pthread_cond_init(pthread_cond_t * __restrict,
 288                             const pthread_condattr_t * __restrict) __DARWIN_ALIAS(pthread_cond_init);
 289 //Begin-Libc
 290 #else /* LIBC_ALIAS_PTHREAD_COND_INIT */
 291 int       pthread_cond_init(pthread_cond_t * __restrict,
 292                             const pthread_condattr_t * __restrict) LIBC_ALIAS(pthread_cond_init);
 293 #endif /* !LIBC_ALIAS_PTHREAD_COND_INIT */
 294 //End-Libc
 295 int       pthread_cond_signal(pthread_cond_t *);
 296 //Begin-Libc
 297 #ifndef LIBC_ALIAS_PTHREAD_COND_TIMEDWAIT
 298 //End-Libc
 299 int       pthread_cond_timedwait(pthread_cond_t * __restrict,
 300                                  pthread_mutex_t * __restrict,
 301                                  const struct timespec * __restrict) __DARWIN_ALIAS_C(pthread_cond_timedwait);
 302 //Begin-Libc
 303 #else /* LIBC_ALIAS_PTHREAD_COND_TIMEDWAIT */
 304 int       pthread_cond_timedwait(pthread_cond_t * __restrict,
 305                                  pthread_mutex_t * __restrict,
 306                                  const struct timespec * __restrict) LIBC_ALIAS_C(pthread_cond_timedwait);
 307 #endif /* !LIBC_ALIAS_PTHREAD_COND_TIMEDWAIT */
 308 //End-Libc
 309 //Begin-Libc
 310 #ifndef LIBC_ALIAS_PTHREAD_COND_WAIT
 311 //End-Libc
 312 int       pthread_cond_wait(pthread_cond_t * __restrict,
 313                             pthread_mutex_t * __restrict) __DARWIN_ALIAS_C(pthread_cond_wait);
 314 //Begin-Libc
 315 #else /* LIBC_ALIAS_PTHREAD_COND_WAIT */
 316 int       pthread_cond_wait(pthread_cond_t * __restrict,
 317                             pthread_mutex_t * __restrict) LIBC_ALIAS_C(pthread_cond_wait);
 318 #endif /* !LIBC_ALIAS_PTHREAD_COND_WAIT */
 319 //End-Libc
 320 int       pthread_condattr_destroy(pthread_condattr_t *);
 321 int       pthread_condattr_init(pthread_condattr_t *);
 322 int       pthread_condattr_getpshared(const pthread_condattr_t * __restrict,
 323                         int * __restrict);
 324 int       pthread_condattr_setpshared(pthread_condattr_t *,
 325                         int );
 326 int       pthread_create(pthread_t * __restrict,
 327                          const pthread_attr_t * __restrict,
 328                          void *(*)(void *),
 329                          void * __restrict);
 330 int       pthread_detach(pthread_t );
 331 int       pthread_equal(pthread_t ,
 332                         pthread_t );
 333 void      pthread_exit(void *) __dead2;
 334 int       pthread_getconcurrency(void);
 335 int       pthread_getschedparam(pthread_t , int * __restrict, struct sched_param * __restrict);
 336 void     *pthread_getspecific(pthread_key_t );
 337 //Begin-Libc
 338 #ifndef LIBC_ALIAS_PTHREAD_JOIN
 339 //End-Libc
 340 int       pthread_join(pthread_t , void **) __DARWIN_ALIAS_C(pthread_join);
 341 //Begin-Libc
 342 #else /* LIBC_ALIAS_PTHREAD_JOIN */
 343 int       pthread_join(pthread_t , void **) LIBC_ALIAS_C(pthread_join);
 344 #endif /* !LIBC_ALIAS_PTHREAD_JOIN */
 345 //End-Libc
 346 int       pthread_key_create(pthread_key_t *, void (*)(void *));
 347 int       pthread_key_delete(pthread_key_t );
 348 int       pthread_mutex_destroy(pthread_mutex_t *);
 349 int       pthread_mutex_getprioceiling(const pthread_mutex_t * __restrict, int * __restrict);
 350 int       pthread_mutex_init(pthread_mutex_t * __restrict, const pthread_mutexattr_t * __restrict);
 351 int       pthread_mutex_lock(pthread_mutex_t *);
 352 int       pthread_mutex_setprioceiling(pthread_mutex_t * __restrict, int, int * __restrict);
 353 int       pthread_mutex_trylock(pthread_mutex_t *);
 354 int       pthread_mutex_unlock(pthread_mutex_t *);
 355 //Begin-Libc
 356 #ifndef LIBC_ALIAS_PTHREAD_MUTEXATTR_DESTROY
 357 //End-Libc
 358 int       pthread_mutexattr_destroy(pthread_mutexattr_t *) __DARWIN_ALIAS(pthread_mutexattr_destroy);
 359 //Begin-Libc
 360 #else /* LIBC_ALIAS_PTHREAD_MUTEXATTR_DESTROY */
 361 int       pthread_mutexattr_destroy(pthread_mutexattr_t *) LIBC_ALIAS(pthread_mutexattr_destroy);
 362 #endif /* !LIBC_ALIAS_PTHREAD_MUTEXATTR_DESTROY */
 363 //End-Libc
 364 int       pthread_mutexattr_getprioceiling(const pthread_mutexattr_t * __restrict, int * __restrict);
 365 int       pthread_mutexattr_getprotocol(const pthread_mutexattr_t * __restrict, int * __restrict);
 366 int       pthread_mutexattr_getpshared(const pthread_mutexattr_t * __restrict, int * __restrict);
 367 int       pthread_mutexattr_gettype(const pthread_mutexattr_t * __restrict, int * __restrict);
 368 int       pthread_mutexattr_init(pthread_mutexattr_t *);
 369 int       pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
 370 int       pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
 371 int       pthread_mutexattr_setpshared(pthread_mutexattr_t *, int );
 372 int       pthread_mutexattr_settype(pthread_mutexattr_t *, int);
 373 int       pthread_once(pthread_once_t *, void (*)(void));
 374 //Begin-Libc
 375 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_DESTROY
 376 //End-Libc
 377 int       pthread_rwlock_destroy(pthread_rwlock_t * ) __DARWIN_ALIAS(pthread_rwlock_destroy);
 378 //Begin-Libc
 379 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_DESTROY */
 380 int       pthread_rwlock_destroy(pthread_rwlock_t * ) LIBC_ALIAS(pthread_rwlock_destroy);
 381 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_DESTROY */
 382 //End-Libc
 383 //Begin-Libc
 384 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_INIT
 385 //End-Libc
 386 int       pthread_rwlock_init(pthread_rwlock_t * __restrict, const pthread_rwlockattr_t * __restrict) __DARWIN_ALIAS(pthread_rwlock_init);
 387 //Begin-Libc
 388 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_INIT */
 389 int       pthread_rwlock_init(pthread_rwlock_t * __restrict, const pthread_rwlockattr_t * __restrict) LIBC_ALIAS(pthread_rwlock_init);
 390 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_INIT */
 391 //End-Libc
 392 //Begin-Libc
 393 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_RDLOCK
 394 //End-Libc
 395 int       pthread_rwlock_rdlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_rdlock);
 396 //Begin-Libc
 397 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_RDLOCK */
 398 int       pthread_rwlock_rdlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_rdlock);
 399 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_RDLOCK */
 400 //End-Libc
 401 //Begin-Libc
 402 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_TRYRDLOCK
 403 //End-Libc
 404 int       pthread_rwlock_tryrdlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_tryrdlock);
 405 //Begin-Libc
 406 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_TRYRDLOCK */
 407 int       pthread_rwlock_tryrdlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_tryrdlock);
 408 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_TRYRDLOCK */
 409 //End-Libc
 410 //Begin-Libc
 411 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_TRYWRLOCK
 412 //End-Libc
 413 int       pthread_rwlock_trywrlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_trywrlock);
 414 //Begin-Libc
 415 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_TRYWRLOCK */
 416 int       pthread_rwlock_trywrlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_trywrlock);
 417 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_TRYWRLOCK */
 418 //End-Libc
 419 //Begin-Libc
 420 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_WRLOCK
 421 //End-Libc
 422 int       pthread_rwlock_wrlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_wrlock);
 423 //Begin-Libc
 424 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_WRLOCK */
 425 int       pthread_rwlock_wrlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_wrlock);
 426 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_WRLOCK */
 427 //End-Libc
 428 //Begin-Libc
 429 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_UNLOCK
 430 //End-Libc
 431 int       pthread_rwlock_unlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_unlock);
 432 //Begin-Libc
 433 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_UNLOCK */
 434 int       pthread_rwlock_unlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_unlock);
 435 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_UNLOCK */
 436 //End-Libc
 437 int       pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
 438 int       pthread_rwlockattr_getpshared(const pthread_rwlockattr_t * __restrict,
 439                         int * __restrict);
 440 int       pthread_rwlockattr_init(pthread_rwlockattr_t *);
 441 int       pthread_rwlockattr_setpshared(pthread_rwlockattr_t *,
 442                         int );
 443 pthread_t pthread_self(void);
 444
 445 //Begin-Libc
 446 #ifndef LIBC_ALIAS_PTHREAD_SETCANCELSTATE
 447 //End-Libc
 448 int       pthread_setcancelstate(int , int *) __DARWIN_ALIAS(pthread_setcancelstate);
 449 //Begin-Libc
 450 #else /* LIBC_ALIAS_PTHREAD_SETCANCELSTATE */
 451 int       pthread_setcancelstate(int , int *) LIBC_ALIAS(pthread_setcancelstate);
 452 #endif /* !LIBC_ALIAS_PTHREAD_SETCANCELSTATE */
 453 //End-Libc
 454 //Begin-Libc
 455 #ifndef LIBC_ALIAS_PTHREAD_SETCANCELTYPE
 456 //End-Libc
 457 int       pthread_setcanceltype(int , int *) __DARWIN_ALIAS(pthread_setcanceltype);
 458 //Begin-Libc
 459 #else /* LIBC_ALIAS_PTHREAD_SETCANCELTYPE */
 460 int       pthread_setcanceltype(int , int *) LIBC_ALIAS(pthread_setcanceltype);
 461 #endif /* !LIBC_ALIAS_PTHREAD_SETCANCELTYPE */
 462 //End-Libc
 463 int       pthread_setconcurrency(int);
 464 int       pthread_setschedparam(pthread_t ,
 465                                 int ,
 466                                 const struct sched_param *);
 467 int       pthread_setspecific(pthread_key_t ,
 468                               const void *);
 469 void      pthread_testcancel(void) __DARWIN_ALIAS(pthread_testcancel);
 470
 471 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
 472 /* returns non-zero if pthread_create or cthread_fork have been called */
 473 int             pthread_is_threaded_np(void);
 474
 475 /* returns non-zero if the current thread is the main thread */
 476 int             pthread_main_np(void);
 477
 478 /* return the mach thread bound to the pthread */
 479 mach_port_t     pthread_mach_thread_np(pthread_t);
 480 size_t          pthread_get_stacksize_np(pthread_t);
 481 void *          pthread_get_stackaddr_np(pthread_t);
 482
 483 /* Like pthread_cond_signal(), but only wake up the specified pthread */
 484 int             pthread_cond_signal_thread_np(pthread_cond_t *, pthread_t);
 485
 486 /* Like pthread_cond_timedwait, but use a relative timeout */
 487 int             pthread_cond_timedwait_relative_np(pthread_cond_t *,
 488                                  pthread_mutex_t *,
 489                                  const struct timespec *);
 490
 491 /* Like pthread_create(), but leaves the thread suspended */
 492 int       pthread_create_suspended_np(pthread_t *,
 493                          const pthread_attr_t *,
 494                          void *(*)(void *),
 495                          void *);
 496 int       pthread_kill(pthread_t, int);
 497
 498 pthread_t pthread_from_mach_thread_np(mach_port_t);
 499
 500 //Begin-Libc
 501 #ifndef LIBC_ALIAS_PTHREAD_SIGMASK
 502 //End-Libc
 503 int       pthread_sigmask(int, const sigset_t *, sigset_t *) __DARWIN_ALIAS(pthread_sigmask);
 504 //Begin-Libc
 505 #else /* LIBC_ALIAS_PTHREAD_SIGMASK */
 506 int       pthread_sigmask(int, const sigset_t *, sigset_t *) LIBC_ALIAS(pthread_sigmask);
 507 #endif /* !LIBC_ALIAS_PTHREAD_SIGMASK */
 508 //End-Libc
 509 void      pthread_yield_np(void);
 510 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
 511 __END_DECLS
 512 #endif /* _PTHREAD_H */