1 #ifndef _PTHREAD_H 2 #define _PTHREAD_H 3 #ifdef __cplusplus 4 extern "C" { 5 #endif 6 7 #include <features.h> 8 9 #define __NEED_time_t 10 #define __NEED_clockid_t 11 #define __NEED_struct_timespec 12 #define __NEED_sigset_t 13 #define __NEED_pthread_t 14 #define __NEED_pthread_attr_t 15 #define __NEED_pthread_mutexattr_t 16 #define __NEED_pthread_condattr_t 17 #define __NEED_pthread_rwlockattr_t 18 #define __NEED_pthread_barrierattr_t 19 #define __NEED_pthread_mutex_t 20 #define __NEED_pthread_cond_t 21 #define __NEED_pthread_rwlock_t 22 #define __NEED_pthread_barrier_t 23 #define __NEED_pthread_spinlock_t 24 #define __NEED_pthread_key_t 25 #define __NEED_pthread_once_t 26 #define __NEED_size_t 27 28 #include <bits/alltypes.h> 29 30 #include <sched.h> 31 #include <time.h> 32 33 #define PTHREAD_CREATE_JOINABLE 0 34 #define PTHREAD_CREATE_DETACHED 1 35 36 #define PTHREAD_MUTEX_NORMAL 0 37 #define PTHREAD_MUTEX_DEFAULT 0 38 #define PTHREAD_MUTEX_RECURSIVE 1 39 #define PTHREAD_MUTEX_ERRORCHECK 2 40 #define PTHREAD_MUTEX_DESTROYED (-1) 41 42 #define PTHREAD_MUTEX_STALLED 0 43 #define PTHREAD_MUTEX_ROBUST 1 44 45 #define PTHREAD_PRIO_NONE 0 46 #define PTHREAD_PRIO_INHERIT 1 47 #define PTHREAD_PRIO_PROTECT 2 48 49 #define PTHREAD_INHERIT_SCHED 0 50 #define PTHREAD_EXPLICIT_SCHED 1 51 52 #define PTHREAD_SCOPE_SYSTEM 0 53 #define PTHREAD_SCOPE_PROCESS 1 54 55 #define PTHREAD_PROCESS_PRIVATE 0 56 #define PTHREAD_PROCESS_SHARED 1 57 58 59 #define PTHREAD_MUTEX_INITIALIZER {{{0}}} 60 #define PTHREAD_RWLOCK_INITIALIZER {{{0}}} 61 #define PTHREAD_COND_INITIALIZER {{{0}}} 62 #define PTHREAD_ONCE_INIT 0 63 64 65 #define PTHREAD_CANCEL_ENABLE 0 66 #define PTHREAD_CANCEL_DISABLE 1 67 #define PTHREAD_CANCEL_MASKED 2 68 69 #define PTHREAD_CANCEL_DEFERRED 0 70 #define PTHREAD_CANCEL_ASYNCHRONOUS 1 71 72 #define PTHREAD_CANCELED ((void *)-1) 73 74 75 #define PTHREAD_BARRIER_SERIAL_THREAD (-1) 76 77 78 #define PTHREAD_NULL ((pthread_t)0) 79 80 81 int pthread_create(pthread_t *__restrict, const pthread_attr_t *__restrict, void *(*)(void *), void *__restrict); 82 int pthread_detach(pthread_t); 83 _Noreturn void pthread_exit(void *); 84 int pthread_join(pthread_t, void **); 85 pid_t pthread_gettid_np(pthread_t); 86 87 #ifdef __GNUC__ 88 __attribute__((const)) 89 #endif 90 pthread_t pthread_self(void); 91 92 int pthread_equal(pthread_t, pthread_t); 93 #ifndef __cplusplus 94 #define pthread_equal(x,y) ((x)==(y)) 95 #endif 96 97 int pthread_setcancelstate(int, int *); 98 int pthread_setcanceltype(int, int *); 99 void pthread_testcancel(void); 100 int pthread_cancel(pthread_t); 101 102 int pthread_getschedparam(pthread_t, int *__restrict, struct sched_param *__restrict); 103 int pthread_setschedparam(pthread_t, int, const struct sched_param *); 104 int pthread_setschedprio(pthread_t, int); 105 106 int pthread_once(pthread_once_t *, void (*)(void)); 107 108 int pthread_mutex_init(pthread_mutex_t *__restrict, const pthread_mutexattr_t *__restrict); 109 int pthread_mutex_lock(pthread_mutex_t *); 110 int pthread_mutex_unlock(pthread_mutex_t *); 111 int pthread_mutex_trylock(pthread_mutex_t *); 112 int pthread_mutex_timedlock(pthread_mutex_t *__restrict, const struct timespec *__restrict); 113 int pthread_mutex_destroy(pthread_mutex_t *); 114 int pthread_mutex_consistent(pthread_mutex_t *); 115 /** 116 * @brief lock the mutex object referenced by mutex. If the mutex is already locked, 117 * the calling thread shall block until the mutex becomes available as in the 118 * pthread_mutex_lock() function. If the mutex cannot be locked without waiting for 119 * another thread to unlock the mutex, this wait shall be terminated when the specified 120 * timeout expires. The timeout shall be based on the CLOCK_REALTIME or CLOCK_MONOTONIC clock. 121 * The resolution of the timeout shall be the resolution of the clock on which it is based. 122 * @param mutex a robust mutex and the process containing the owning thread terminated while holding the mutex lock. 123 * @param clock_id specified CLOCK_REALTIME or CLOCK_MONOTONIC clock. 124 * @param timespec the timeout shall expire specified by abstime passes. 125 * @return clocklock result. 126 * @retval 0 is returned on success. 127 * @retval -1 is returned on failure, and errno is set to indicate the error. 128 */ 129 int pthread_mutex_clocklock(pthread_mutex_t *__restrict, clockid_t, const struct timespec *__restrict); 130 /** 131 * @brief lock the mutex object referenced by mutex. If the mutex is already locked, 132 * the calling thread shall block until the mutex becomes available as in the 133 * pthread_mutex_lock() function. If the mutex cannot be locked without waiting for 134 * another thread to unlock the mutex, this wait shall be terminated when the specified 135 * timeout expires. The timeout shall be based on the CLOCK_MONOTONIC clock. 136 * The resolution of the timeout shall be the resolution of the clock on which it is based. 137 * @param mutex a robust mutex and the process containing the owning thread terminated while holding the mutex lock. 138 * @param timespec the timeout shall expire specified by abstime passes. 139 * @return clocklock result. 140 * @retval 0 is returned on success. 141 * @retval -1 is returned on failure, and errno is set to indicate the error. 142 */ 143 int pthread_mutex_timedlock_monotonic_np(pthread_mutex_t *__restrict, const struct timespec *__restrict); 144 /** 145 * @brief lock the mutex object referenced by mutex. If the mutex is already locked, 146 * the calling thread shall block until the mutex becomes available as in the 147 * pthread_mutex_lock() function. If the mutex cannot be locked without waiting for 148 * another thread to unlock the mutex, this wait shall be terminated when the specified 149 * timeout expires. The timeout shall be based on the CLOCK_MONOTONIC clock. 150 * The resolution of the timeout shall be the resolution of the clock on which it is based. 151 * @param mutex a robust mutex and the process containing the owning thread terminated while holding the mutex lock. 152 * @param ms the timeout shall expire specified by relative time(ms) passes. 153 * @return clocklock result. 154 * @retval 0 is returned on success. 155 * @retval -1 is returned on failure, and errno is set to indicate the error. 156 */ 157 int pthread_mutex_lock_timeout_np(pthread_mutex_t *__restrict, unsigned int); 158 /** 159 * @brief The thread waits for a signal to trigger, and if timeout or signal is triggered, 160 * the thread wakes up. 161 * @param pthread_cond_t Condition variables for multithreading. 162 * @param pthread_mutex_t Thread mutex variable. 163 * @param clockid_t Clock ID used in clock and timer functions. 164 * @param timespec The timeout shall expire specified by abstime passes. 165 * @return pthread_cond_clockwait result. 166 * @retval 0 pthread_cond_clockwait successful. 167 * @retval ETIMEDOUT pthread_cond_clockwait Connection timed out. 168 * @retval EINVAL pthread_cond_clockwait error. 169 */ 170 int pthread_cond_clockwait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, 171 clockid_t, const struct timespec *__restrict); 172 173 /** 174 * @brief Condition variables have an initialization option to use CLOCK_MONOTONIC. 175 * The thread waits for a signal to trigger, and if timeout or signal is triggered, 176 * the thread wakes up. 177 * @param pthread_cond_t Condition variables for multithreading. 178 * @param pthread_mutex_t Thread mutex variable. 179 * @param timespec The timeout shall expire specified by abstime passes. 180 * @return pthread_cond_timedwait_monotonic_np result. 181 * @retval 0 pthread_cond_timedwait_monotonic_np successful. 182 * @retval ETIMEDOUT pthread_cond_timedwait_monotonic_np Connection timed out. 183 * @retval EINVAL pthread_cond_timedwait_monotonic_np error. 184 */ 185 int pthread_cond_timedwait_monotonic_np(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, 186 const struct timespec *__restrict); 187 188 /** 189 * @brief Condition variables have an initialization option to use CLOCK_MONOTONIC and The time 190 * parameter is in milliseconds. The thread waits for a signal to trigger, and if timeout or 191 * signal is triggered, the thread wakes up. 192 * @param pthread_cond_t Condition variables for multithreading. 193 * @param pthread_mutex_t Thread mutex variable. 194 * @param unsigned Timeout, in milliseconds. 195 * @return pthread_cond_timeout_np result. 196 * @retval 0 pthread_cond_timeout_np successful. 197 * @retval ETIMEDOUT pthread_cond_timeout_np Connection timed out. 198 * @retval EINVAL pthread_cond_timeout_np error. 199 */ 200 int pthread_cond_timeout_np(pthread_cond_t* __restrict, pthread_mutex_t* __restrict, unsigned int); 201 /** 202 * @brief Apply a read lock to the read-write lock referenced by rwlock as in the 203 * pthread_rwlock_rdlock() function. However, if the lock cannot be acquired without 204 * waiting for other threads to unlock the lock, this wait shall be terminated when 205 * the specified timeout expires. The timeout shall expire when the absolute time specified by 206 * abstime passes, as measured by the clock on which timeouts are based, or if the absolute time 207 * specified by abstime has already been passed at the time of the call. 208 * The timeout shall be based on the CLOCK_REALTIME or CLOCK_MONOTONIC clock. 209 * @param rw a read lock to the read-write lock referenced. 210 * @param clock_id specified CLOCK_REALTIME or CLOCK_MONOTONIC clock. 211 * @param timespec the timeout shall expire specified by abstime passes. 212 * @return clockrdlock result. 213 * @retval 0 is returned on success. 214 * @retval -1 is returned on failure, and errno is set to indicate the error. 215 */ 216 int pthread_rwlock_clockrdlock(pthread_rwlock_t *__restrict, clockid_t, const struct timespec *__restrict); 217 /** 218 * @brief Apply a read lock to the read-write lock referenced by rwlock as in the 219 * pthread_rwlock_rdlock() function. However, if the lock cannot be acquired without 220 * waiting for other threads to unlock the lock, this wait shall be terminated when 221 * the specified timeout expires. The timeout shall expire when the absolute time specified by 222 * abstime passes, as measured by the clock on which timeouts are based, or if the absolute time 223 * specified by abstime has already been passed at the time of the call. 224 * The timeout shall be based on the CLOCK_MONOTONIC clock. 225 * @param rw a read lock to the read-write lock referenced. 226 * @param timespec the timeout shall expire specified by abstime passes. 227 * @return clockrdlock result. 228 * @retval 0 is returned on success. 229 * @retval -1 is returned on failure, and errno is set to indicate the error. 230 */ 231 int pthread_rwlock_timedrdlock_monotonic_np(pthread_rwlock_t *__restrict, const struct timespec *__restrict); 232 /** 233 * @brief Read-write lock variables have an initialization option to use CLOCK_MONOTONIC. 234 * apply a read lock to the read-write lock referenced by rwlock as in the 235 * pthread_rwlock_wrlock() function. However, if the lock cannot be acquired without 236 * waiting for other threads to unlock the lock, this wait shall be terminated when 237 * the specified timeout expires. The timeout shall expire when the absolute time specified by 238 * abstime passes, as measured by the clock on which timeouts are based, or if the absolute time 239 * specified by abstime has already been passed at the time of the call. 240 * The timeout shall be based on the CLOCK_MONOTONIC clock. 241 * @param rw a read lock to the read-write lock referenced. 242 * @param timespec the timeout shall expire specified by abstime passes. 243 * @return clockrdlock result. 244 * @retval 0 is returned on success. 245 * @retval -1 is returned on failure, and errno is set to indicate the error. 246 */ 247 int pthread_rwlock_timedwrlock_monotonic_np(pthread_rwlock_t *__restrict, const struct timespec *__restrict); 248 249 /** 250 * @brief Apply a read lock to the read-write lock referenced by rwlock as in the 251 * pthread_rwlock_wrlock() function. However, if the lock cannot be acquired without 252 * waiting for other threads to unlock the lock, this wait shall be terminated when 253 * the specified timeout expires. The timeout shall expire when the absolute time specified by 254 * abstime passes, as measured by the clock on which timeouts are based, or if the absolute time 255 * specified by abstime has already been passed at the time of the call. 256 * The timeout shall be based on the CLOCK_REALTIME or CLOCK_MONOTONIC clock. 257 * @param rw a read lock to the read-write lock referenced. 258 * @param clock_id specified CLOCK_REALTIME or CLOCK_MONOTONIC clock. 259 * @param timespec the timeout shall expire specified by abstime passes. 260 * @return clockrdlock result. 261 * @retval 0 is returned on success. 262 * @retval -1 is returned on failure, and errno is set to indicate the error. 263 */ 264 int pthread_rwlock_clockwrlock(pthread_rwlock_t *__restrict, clockid_t, const struct timespec *__restrict); 265 int pthread_mutex_getprioceiling(const pthread_mutex_t *__restrict, int *__restrict); 266 int pthread_mutex_setprioceiling(pthread_mutex_t *__restrict, int, int *__restrict); 267 268 int pthread_cond_init(pthread_cond_t *__restrict, const pthread_condattr_t *__restrict); 269 int pthread_cond_destroy(pthread_cond_t *); 270 int pthread_cond_wait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict); 271 int pthread_cond_timedwait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, const struct timespec *__restrict); 272 int pthread_cond_broadcast(pthread_cond_t *); 273 int pthread_cond_signal(pthread_cond_t *); 274 275 int pthread_rwlock_init(pthread_rwlock_t *__restrict, const pthread_rwlockattr_t *__restrict); 276 int pthread_rwlock_destroy(pthread_rwlock_t *); 277 int pthread_rwlock_rdlock(pthread_rwlock_t *); 278 int pthread_rwlock_tryrdlock(pthread_rwlock_t *); 279 int pthread_rwlock_timedrdlock(pthread_rwlock_t *__restrict, const struct timespec *__restrict); 280 int pthread_rwlock_wrlock(pthread_rwlock_t *); 281 int pthread_rwlock_trywrlock(pthread_rwlock_t *); 282 int pthread_rwlock_timedwrlock(pthread_rwlock_t *__restrict, const struct timespec *__restrict); 283 int pthread_rwlock_unlock(pthread_rwlock_t *); 284 285 int pthread_spin_init(pthread_spinlock_t *, int); 286 int pthread_spin_destroy(pthread_spinlock_t *); 287 int pthread_spin_lock(pthread_spinlock_t *); 288 int pthread_spin_trylock(pthread_spinlock_t *); 289 int pthread_spin_unlock(pthread_spinlock_t *); 290 291 int pthread_barrier_init(pthread_barrier_t *__restrict, const pthread_barrierattr_t *__restrict, unsigned); 292 int pthread_barrier_destroy(pthread_barrier_t *); 293 int pthread_barrier_wait(pthread_barrier_t *); 294 295 int pthread_key_create(pthread_key_t *, void (*)(void *)); 296 int pthread_key_delete(pthread_key_t); 297 void *pthread_getspecific(pthread_key_t); 298 int pthread_setspecific(pthread_key_t, const void *); 299 300 int pthread_attr_init(pthread_attr_t *); 301 int pthread_attr_destroy(pthread_attr_t *); 302 303 int pthread_attr_getguardsize(const pthread_attr_t *__restrict, size_t *__restrict); 304 int pthread_attr_setguardsize(pthread_attr_t *, size_t); 305 int pthread_attr_getstacksize(const pthread_attr_t *__restrict, size_t *__restrict); 306 int pthread_attr_setstacksize(pthread_attr_t *, size_t); 307 int pthread_attr_getdetachstate(const pthread_attr_t *, int *); 308 int pthread_attr_setdetachstate(pthread_attr_t *, int); 309 int pthread_attr_getstack(const pthread_attr_t *__restrict, void **__restrict, size_t *__restrict); 310 int pthread_attr_setstack(pthread_attr_t *, void *, size_t); 311 int pthread_attr_getscope(const pthread_attr_t *__restrict, int *__restrict); 312 int pthread_attr_setscope(pthread_attr_t *, int); 313 int pthread_attr_getschedpolicy(const pthread_attr_t *__restrict, int *__restrict); 314 int pthread_attr_setschedpolicy(pthread_attr_t *, int); 315 int pthread_attr_getschedparam(const pthread_attr_t *__restrict, struct sched_param *__restrict); 316 int pthread_attr_setschedparam(pthread_attr_t *__restrict, const struct sched_param *__restrict); 317 int pthread_attr_getinheritsched(const pthread_attr_t *__restrict, int *__restrict); 318 int pthread_attr_setinheritsched(pthread_attr_t *, int); 319 320 int pthread_mutexattr_destroy(pthread_mutexattr_t *); 321 int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *__restrict, int *__restrict); 322 int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *__restrict, int *__restrict); 323 int pthread_mutexattr_getpshared(const pthread_mutexattr_t *__restrict, int *__restrict); 324 int pthread_mutexattr_getrobust(const pthread_mutexattr_t *__restrict, int *__restrict); 325 int pthread_mutexattr_gettype(const pthread_mutexattr_t *__restrict, int *__restrict); 326 int pthread_mutexattr_init(pthread_mutexattr_t *); 327 int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int); 328 int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int); 329 int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int); 330 int pthread_mutexattr_setrobust(pthread_mutexattr_t *, int); 331 int pthread_mutexattr_settype(pthread_mutexattr_t *, int); 332 333 int pthread_condattr_init(pthread_condattr_t *); 334 int pthread_condattr_destroy(pthread_condattr_t *); 335 int pthread_condattr_setclock(pthread_condattr_t *, clockid_t); 336 int pthread_condattr_setpshared(pthread_condattr_t *, int); 337 int pthread_condattr_getclock(const pthread_condattr_t *__restrict, clockid_t *__restrict); 338 int pthread_condattr_getpshared(const pthread_condattr_t *__restrict, int *__restrict); 339 340 int pthread_rwlockattr_init(pthread_rwlockattr_t *); 341 int pthread_rwlockattr_destroy(pthread_rwlockattr_t *); 342 int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int); 343 int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *__restrict, int *__restrict); 344 345 int pthread_barrierattr_destroy(pthread_barrierattr_t *); 346 int pthread_barrierattr_getpshared(const pthread_barrierattr_t *__restrict, int *__restrict); 347 int pthread_barrierattr_init(pthread_barrierattr_t *); 348 int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int); 349 350 int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)); 351 int pthread_atfork_for_gwpasan(void (*)(void), void (*)(void), void (*)(void)); 352 353 int pthread_getconcurrency(void); 354 int pthread_setconcurrency(int); 355 356 int pthread_getcpuclockid(pthread_t, clockid_t *); 357 358 struct __ptcb { 359 void (*__f)(void *); 360 void *__x; 361 struct __ptcb *__next; 362 }; 363 364 void _pthread_cleanup_push(struct __ptcb *, void (*)(void *), void *); 365 void _pthread_cleanup_pop(struct __ptcb *, int); 366 367 #define pthread_cleanup_push(f, x) do { struct __ptcb __cb; _pthread_cleanup_push(&__cb, f, x); 368 #define pthread_cleanup_pop(r) _pthread_cleanup_pop(&__cb, (r)); } while(0) 369 370 #ifdef _GNU_SOURCE 371 struct cpu_set_t; 372 int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *); 373 int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *); 374 int pthread_getattr_np(pthread_t, pthread_attr_t *); 375 int pthread_setname_np(pthread_t, const char *); 376 int pthread_getname_np(pthread_t, char *, size_t); 377 int pthread_getattr_default_np(pthread_attr_t *); 378 int pthread_setattr_default_np(const pthread_attr_t *); 379 int pthread_tryjoin_np(pthread_t, void **); 380 int pthread_timedjoin_np(pthread_t, void **, const struct timespec *); 381 #endif 382 383 #if _REDIR_TIME64 384 __REDIR(pthread_mutex_timedlock, __pthread_mutex_timedlock_time64); 385 __REDIR(pthread_cond_timedwait, __pthread_cond_timedwait_time64); 386 __REDIR(pthread_rwlock_timedrdlock, __pthread_rwlock_timedrdlock_time64); 387 __REDIR(pthread_rwlock_timedwrlock, __pthread_rwlock_timedwrlock_time64); 388 #ifdef _GNU_SOURCE 389 __REDIR(pthread_timedjoin_np, __pthread_timedjoin_np_time64); 390 #endif 391 #endif 392 393 #ifdef __cplusplus 394 } 395 #endif 396 #endif 397