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