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 #include <Availability.h>
 148
 149 __BEGIN_DECLS
 150 /*
 151  * Threads
 152  */
 153
 154
 155 /*
 156  * Cancel cleanup handler management.  Note, since these are implemented as macros,
 157  * they *MUST* occur in matched pairs!
 158  */
 159
 160 #define pthread_cleanup_push(func, val) \
 161    { \
 162              struct __darwin_pthread_handler_rec __handler; \
 163              pthread_t __self = pthread_self(); \
 164              __handler.__routine = func; \
 165              __handler.__arg = val; \
 166              __handler.__next = __self->__cleanup_stack; \
 167              __self->__cleanup_stack = &__handler;
 168
 169 #define pthread_cleanup_pop(execute) \
 170              /* Note: 'handler' must be in this same lexical context! */ \
 171              __self->__cleanup_stack = __handler.__next; \
 172              if (execute) (__handler.__routine)(__handler.__arg); \
 173    }
 174
 175 /*
 176  * Thread attributes
 177  */
 178
 179 #define PTHREAD_CREATE_JOINABLE      1
 180 #define PTHREAD_CREATE_DETACHED      2
 181
 182 #define PTHREAD_INHERIT_SCHED        1
 183 #define PTHREAD_EXPLICIT_SCHED       2
 184
 185 #define PTHREAD_CANCEL_ENABLE        0x01  /* Cancel takes place at next cancellation point */
 186 #define PTHREAD_CANCEL_DISABLE       0x00  /* Cancel postponed */
 187 #define PTHREAD_CANCEL_DEFERRED      0x02  /* Cancel waits until cancellation point */
 188 #define PTHREAD_CANCEL_ASYNCHRONOUS  0x00  /* Cancel occurs immediately */
 189
 190 /* Value returned from pthread_join() when a thread is canceled */
 191 #define PTHREAD_CANCELED             ((void *) 1)
 192
 193 /* We only support PTHREAD_SCOPE_SYSTEM */
 194 #define PTHREAD_SCOPE_SYSTEM         1
 195 #define PTHREAD_SCOPE_PROCESS        2
 196
 197 /* We only support PTHREAD_PROCESS_PRIVATE */
 198 #define PTHREAD_PROCESS_SHARED         1
 199 #define PTHREAD_PROCESS_PRIVATE        2
 200
 201 /*
 202  * Mutex protocol attributes
 203  */
 204 #define PTHREAD_PRIO_NONE            0
 205 #define PTHREAD_PRIO_INHERIT         1
 206 #define PTHREAD_PRIO_PROTECT         2
 207
 208 /*
 209  * Mutex type attributes
 210  */
 211 #define PTHREAD_MUTEX_NORMAL            0
 212 #define PTHREAD_MUTEX_ERRORCHECK        1
 213 #define PTHREAD_MUTEX_RECURSIVE         2
 214 #define PTHREAD_MUTEX_DEFAULT           PTHREAD_MUTEX_NORMAL
 215 /*
 216  * RWLock variables
 217  */
 218
 219 #define PTHREAD_RWLOCK_INITIALIZER {_PTHREAD_RWLOCK_SIG_init, {0}}
 220 /*
 221  * Mutex variables
 222  */
 223
 224 #define PTHREAD_MUTEX_INITIALIZER {_PTHREAD_MUTEX_SIG_init, {0}}
 225
 226 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
 227 #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER {_PTHREAD_ERRORCHECK_MUTEX_SIG_init, {0}}
 228 #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER {_PTHREAD_RECURSIVE_MUTEX_SIG_init, {0}}
 229 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
 230
 231 /*
 232  * Condition variable attributes
 233  */
 234
 235 /*
 236  * Condition variables
 237  */
 238
 239 #define PTHREAD_COND_INITIALIZER {_PTHREAD_COND_SIG_init, {0}}
 240
 241 /*
 242  * Initialization control (once) variables
 243  */
 244
 245 #define PTHREAD_ONCE_INIT {_PTHREAD_ONCE_SIG_init, {0}}
 246
 247 /*
 248  * Prototypes for all PTHREAD interfaces
 249  */
 250 int       pthread_atfork(void (*)(void), void (*)(void),
 251                       void (*)(void));
 252 int       pthread_attr_destroy(pthread_attr_t *);
 253 int       pthread_attr_getdetachstate(const pthread_attr_t *,
 254                                       int *);
 255 int       pthread_attr_getguardsize(const pthread_attr_t * __restrict,
 256                                       size_t * __restrict);
 257 int       pthread_attr_getinheritsched(const pthread_attr_t * __restrict,
 258                                        int * __restrict);
 259 int       pthread_attr_getschedparam(const pthread_attr_t * __restrict,
 260                                      struct sched_param * __restrict);
 261 int       pthread_attr_getschedpolicy(const pthread_attr_t * __restrict,
 262                                       int * __restrict);
 263 int       pthread_attr_getscope(const pthread_attr_t * __restrict, int * __restrict);
 264 int       pthread_attr_getstack(const pthread_attr_t * __restrict,
 265                                       void ** __restrict, size_t * __restrict);
 266 int       pthread_attr_getstackaddr(const pthread_attr_t * __restrict,
 267                                       void ** __restrict);
 268 int       pthread_attr_getstacksize(const pthread_attr_t * __restrict,
 269                                       size_t * __restrict);
 270 int       pthread_attr_init(pthread_attr_t *);
 271 int       pthread_attr_setdetachstate(pthread_attr_t *,
 272                                       int );
 273 int       pthread_attr_setguardsize(pthread_attr_t *, size_t );
 274 int       pthread_attr_setinheritsched(pthread_attr_t *,
 275                                        int );
 276 int       pthread_attr_setschedparam(pthread_attr_t * __restrict,
 277                                      const struct sched_param * __restrict);
 278 int       pthread_attr_setschedpolicy(pthread_attr_t *,
 279                                       int );
 280 int       pthread_attr_setscope(pthread_attr_t *, int);
 281 int       pthread_attr_setstack(pthread_attr_t *,
 282                                       void *, size_t );
 283 int       pthread_attr_setstackaddr(pthread_attr_t *,
 284                                       void *);
 285 int       pthread_attr_setstacksize(pthread_attr_t *, size_t );
 286 int       pthread_cancel(pthread_t ) __DARWIN_ALIAS(pthread_cancel);
 287
 288 int       pthread_cond_broadcast(pthread_cond_t *);
 289 int       pthread_cond_destroy(pthread_cond_t *);
 290 //Begin-Libc
 291 #ifndef LIBC_ALIAS_PTHREAD_COND_INIT
 292 //End-Libc
 293 int       pthread_cond_init(pthread_cond_t * __restrict,
 294                             const pthread_condattr_t * __restrict) __DARWIN_ALIAS(pthread_cond_init);
 295 //Begin-Libc
 296 #else /* LIBC_ALIAS_PTHREAD_COND_INIT */
 297 int       pthread_cond_init(pthread_cond_t * __restrict,
 298                             const pthread_condattr_t * __restrict) LIBC_ALIAS(pthread_cond_init);
 299 #endif /* !LIBC_ALIAS_PTHREAD_COND_INIT */
 300 //End-Libc
 301 int       pthread_cond_signal(pthread_cond_t *);
 302 //Begin-Libc
 303 #ifndef LIBC_ALIAS_PTHREAD_COND_TIMEDWAIT
 304 //End-Libc
 305 int       pthread_cond_timedwait(pthread_cond_t * __restrict,
 306                                  pthread_mutex_t * __restrict,
 307                                  const struct timespec * __restrict) __DARWIN_ALIAS_C(pthread_cond_timedwait);
 308 //Begin-Libc
 309 #else /* LIBC_ALIAS_PTHREAD_COND_TIMEDWAIT */
 310 int       pthread_cond_timedwait(pthread_cond_t * __restrict,
 311                                  pthread_mutex_t * __restrict,
 312                                  const struct timespec * __restrict) LIBC_ALIAS_C(pthread_cond_timedwait);
 313 #endif /* !LIBC_ALIAS_PTHREAD_COND_TIMEDWAIT */
 314 //End-Libc
 315 //Begin-Libc
 316 #ifndef LIBC_ALIAS_PTHREAD_COND_WAIT
 317 //End-Libc
 318 int       pthread_cond_wait(pthread_cond_t * __restrict,
 319                             pthread_mutex_t * __restrict) __DARWIN_ALIAS_C(pthread_cond_wait);
 320 //Begin-Libc
 321 #else /* LIBC_ALIAS_PTHREAD_COND_WAIT */
 322 int       pthread_cond_wait(pthread_cond_t * __restrict,
 323                             pthread_mutex_t * __restrict) LIBC_ALIAS_C(pthread_cond_wait);
 324 #endif /* !LIBC_ALIAS_PTHREAD_COND_WAIT */
 325 //End-Libc
 326 int       pthread_condattr_destroy(pthread_condattr_t *);
 327 int       pthread_condattr_init(pthread_condattr_t *);
 328 int       pthread_condattr_getpshared(const pthread_condattr_t * __restrict,
 329                         int * __restrict);
 330 int       pthread_condattr_setpshared(pthread_condattr_t *,
 331                         int );
 332 int       pthread_create(pthread_t * __restrict,
 333                          const pthread_attr_t * __restrict,
 334                          void *(*)(void *),
 335                          void * __restrict);
 336 int       pthread_detach(pthread_t );
 337 int       pthread_equal(pthread_t ,
 338                         pthread_t );
 339 void      pthread_exit(void *) __dead2;
 340 int       pthread_getconcurrency(void);
 341 int       pthread_getschedparam(pthread_t , int * __restrict, struct sched_param * __restrict);
 342 void     *pthread_getspecific(pthread_key_t );
 343 //Begin-Libc
 344 #ifndef LIBC_ALIAS_PTHREAD_JOIN
 345 //End-Libc
 346 int       pthread_join(pthread_t , void **) __DARWIN_ALIAS_C(pthread_join);
 347 //Begin-Libc
 348 #else /* LIBC_ALIAS_PTHREAD_JOIN */
 349 int       pthread_join(pthread_t , void **) LIBC_ALIAS_C(pthread_join);
 350 #endif /* !LIBC_ALIAS_PTHREAD_JOIN */
 351 //End-Libc
 352 int       pthread_key_create(pthread_key_t *, void (*)(void *));
 353 int       pthread_key_delete(pthread_key_t );
 354 int       pthread_mutex_destroy(pthread_mutex_t *);
 355 int       pthread_mutex_getprioceiling(const pthread_mutex_t * __restrict, int * __restrict);
 356 int       pthread_mutex_init(pthread_mutex_t * __restrict, const pthread_mutexattr_t * __restrict);
 357 int       pthread_mutex_lock(pthread_mutex_t *);
 358 int       pthread_mutex_setprioceiling(pthread_mutex_t * __restrict, int, int * __restrict);
 359 int       pthread_mutex_trylock(pthread_mutex_t *);
 360 int       pthread_mutex_unlock(pthread_mutex_t *);
 361 //Begin-Libc
 362 #ifndef LIBC_ALIAS_PTHREAD_MUTEXATTR_DESTROY
 363 //End-Libc
 364 int       pthread_mutexattr_destroy(pthread_mutexattr_t *) __DARWIN_ALIAS(pthread_mutexattr_destroy);
 365 //Begin-Libc
 366 #else /* LIBC_ALIAS_PTHREAD_MUTEXATTR_DESTROY */
 367 int       pthread_mutexattr_destroy(pthread_mutexattr_t *) LIBC_ALIAS(pthread_mutexattr_destroy);
 368 #endif /* !LIBC_ALIAS_PTHREAD_MUTEXATTR_DESTROY */
 369 //End-Libc
 370 int       pthread_mutexattr_getprioceiling(const pthread_mutexattr_t * __restrict, int * __restrict);
 371 int       pthread_mutexattr_getprotocol(const pthread_mutexattr_t * __restrict, int * __restrict);
 372 int       pthread_mutexattr_getpshared(const pthread_mutexattr_t * __restrict, int * __restrict);
 373 int       pthread_mutexattr_gettype(const pthread_mutexattr_t * __restrict, int * __restrict);
 374 int       pthread_mutexattr_init(pthread_mutexattr_t *);
 375 int       pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
 376 int       pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
 377 int       pthread_mutexattr_setpshared(pthread_mutexattr_t *, int );
 378 int       pthread_mutexattr_settype(pthread_mutexattr_t *, int);
 379 int       pthread_once(pthread_once_t *, void (*)(void));
 380 //Begin-Libc
 381 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_DESTROY
 382 //End-Libc
 383 int       pthread_rwlock_destroy(pthread_rwlock_t * ) __DARWIN_ALIAS(pthread_rwlock_destroy);
 384 //Begin-Libc
 385 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_DESTROY */
 386 int       pthread_rwlock_destroy(pthread_rwlock_t * ) LIBC_ALIAS(pthread_rwlock_destroy);
 387 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_DESTROY */
 388 //End-Libc
 389 //Begin-Libc
 390 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_INIT
 391 //End-Libc
 392 int       pthread_rwlock_init(pthread_rwlock_t * __restrict, const pthread_rwlockattr_t * __restrict) __DARWIN_ALIAS(pthread_rwlock_init);
 393 //Begin-Libc
 394 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_INIT */
 395 int       pthread_rwlock_init(pthread_rwlock_t * __restrict, const pthread_rwlockattr_t * __restrict) LIBC_ALIAS(pthread_rwlock_init);
 396 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_INIT */
 397 //End-Libc
 398 //Begin-Libc
 399 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_RDLOCK
 400 //End-Libc
 401 int       pthread_rwlock_rdlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_rdlock);
 402 //Begin-Libc
 403 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_RDLOCK */
 404 int       pthread_rwlock_rdlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_rdlock);
 405 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_RDLOCK */
 406 //End-Libc
 407 //Begin-Libc
 408 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_TRYRDLOCK
 409 //End-Libc
 410 int       pthread_rwlock_tryrdlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_tryrdlock);
 411 //Begin-Libc
 412 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_TRYRDLOCK */
 413 int       pthread_rwlock_tryrdlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_tryrdlock);
 414 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_TRYRDLOCK */
 415 //End-Libc
 416 //Begin-Libc
 417 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_TRYWRLOCK
 418 //End-Libc
 419 int       pthread_rwlock_trywrlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_trywrlock);
 420 //Begin-Libc
 421 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_TRYWRLOCK */
 422 int       pthread_rwlock_trywrlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_trywrlock);
 423 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_TRYWRLOCK */
 424 //End-Libc
 425 //Begin-Libc
 426 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_WRLOCK
 427 //End-Libc
 428 int       pthread_rwlock_wrlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_wrlock);
 429 //Begin-Libc
 430 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_WRLOCK */
 431 int       pthread_rwlock_wrlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_wrlock);
 432 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_WRLOCK */
 433 //End-Libc
 434 //Begin-Libc
 435 #ifndef LIBC_ALIAS_PTHREAD_RWLOCK_UNLOCK
 436 //End-Libc
 437 int       pthread_rwlock_unlock(pthread_rwlock_t *) __DARWIN_ALIAS(pthread_rwlock_unlock);
 438 //Begin-Libc
 439 #else /* LIBC_ALIAS_PTHREAD_RWLOCK_UNLOCK */
 440 int       pthread_rwlock_unlock(pthread_rwlock_t *) LIBC_ALIAS(pthread_rwlock_unlock);
 441 #endif /* !LIBC_ALIAS_PTHREAD_RWLOCK_UNLOCK */
 442 //End-Libc
 443 int       pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
 444 int       pthread_rwlockattr_getpshared(const pthread_rwlockattr_t * __restrict,
 445                         int * __restrict);
 446 int       pthread_rwlockattr_init(pthread_rwlockattr_t *);
 447 int       pthread_rwlockattr_setpshared(pthread_rwlockattr_t *,
 448                         int );
 449 pthread_t pthread_self(void);
 450
 451 //Begin-Libc
 452 #ifndef LIBC_ALIAS_PTHREAD_SETCANCELSTATE
 453 //End-Libc
 454 int       pthread_setcancelstate(int , int *) __DARWIN_ALIAS(pthread_setcancelstate);
 455 //Begin-Libc
 456 #else /* LIBC_ALIAS_PTHREAD_SETCANCELSTATE */
 457 int       pthread_setcancelstate(int , int *) LIBC_ALIAS(pthread_setcancelstate);
 458 #endif /* !LIBC_ALIAS_PTHREAD_SETCANCELSTATE */
 459 //End-Libc
 460 //Begin-Libc
 461 #ifndef LIBC_ALIAS_PTHREAD_SETCANCELTYPE
 462 //End-Libc
 463 int       pthread_setcanceltype(int , int *) __DARWIN_ALIAS(pthread_setcanceltype);
 464 //Begin-Libc
 465 #else /* LIBC_ALIAS_PTHREAD_SETCANCELTYPE */
 466 int       pthread_setcanceltype(int , int *) LIBC_ALIAS(pthread_setcanceltype);
 467 #endif /* !LIBC_ALIAS_PTHREAD_SETCANCELTYPE */
 468 //End-Libc
 469 int       pthread_setconcurrency(int);
 470 int       pthread_setschedparam(pthread_t ,
 471                                 int ,
 472                                 const struct sched_param *);
 473 int       pthread_setspecific(pthread_key_t ,
 474                               const void *);
 475 void      pthread_testcancel(void) __DARWIN_ALIAS(pthread_testcancel);
 476
 477 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
 478 /* returns non-zero if pthread_create or cthread_fork have been called */
 479 int             pthread_is_threaded_np(void);
 480
 481 int pthread_threadid_np(pthread_t,__uint64_t*) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
 482
 483 int pthread_rwlock_longrdlock_np(pthread_rwlock_t *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
 484 int pthread_rwlock_yieldwrlock_np(pthread_rwlock_t *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
 485 int pthread_rwlock_downgrade_np(pthread_rwlock_t *);
 486 int pthread_rwlock_upgrade_np(pthread_rwlock_t *);
 487 int pthread_rwlock_tryupgrade_np(pthread_rwlock_t *);
 488 int pthread_rwlock_held_np(pthread_rwlock_t *);
 489 int pthread_rwlock_rdheld_np(pthread_rwlock_t *);
 490 int pthread_rwlock_wrheld_np(pthread_rwlock_t *);
 491
 492 /*SPI to set and get pthread name*/
 493 int             pthread_getname_np(pthread_t,char*,size_t) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
 494 int             pthread_setname_np(const char*) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
 495 /* returns non-zero if the current thread is the main thread */
 496 int             pthread_main_np(void);
 497
 498 /* return the mach thread bound to the pthread */
 499 mach_port_t     pthread_mach_thread_np(pthread_t);
 500 size_t          pthread_get_stacksize_np(pthread_t);
 501 void *          pthread_get_stackaddr_np(pthread_t);
 502
 503 /* Like pthread_cond_signal(), but only wake up the specified pthread */
 504 int             pthread_cond_signal_thread_np(pthread_cond_t *, pthread_t);
 505
 506 /* Like pthread_cond_timedwait, but use a relative timeout */
 507 int             pthread_cond_timedwait_relative_np(pthread_cond_t *,
 508                                  pthread_mutex_t *,
 509                                  const struct timespec *);
 510
 511 /* Like pthread_create(), but leaves the thread suspended */
 512 int       pthread_create_suspended_np(pthread_t *,
 513                          const pthread_attr_t *,
 514                          void *(*)(void *),
 515                          void *);
 516 int       pthread_kill(pthread_t, int);
 517
 518 pthread_t pthread_from_mach_thread_np(mach_port_t) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
 519
 520 //Begin-Libc
 521 #ifndef LIBC_ALIAS_PTHREAD_SIGMASK
 522 //End-Libc
 523 int       pthread_sigmask(int, const sigset_t *, sigset_t *) __DARWIN_ALIAS(pthread_sigmask);
 524 //Begin-Libc
 525 #else /* LIBC_ALIAS_PTHREAD_SIGMASK */
 526 int       pthread_sigmask(int, const sigset_t *, sigset_t *) LIBC_ALIAS(pthread_sigmask);
 527 #endif /* !LIBC_ALIAS_PTHREAD_SIGMASK */
 528 //End-Libc
 529 void      pthread_yield_np(void);
 530 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
 531 __END_DECLS
 532 #endif /* _PTHREAD_H */