libc-top-half/musl/include/pthread.h

   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
  41 #define PTHREAD_MUTEX_STALLED 0
  42 #define PTHREAD_MUTEX_ROBUST 1
  43
  44 #define PTHREAD_PRIO_NONE 0
  45 #define PTHREAD_PRIO_INHERIT 1
  46 #define PTHREAD_PRIO_PROTECT 2
  47
  48 #define PTHREAD_INHERIT_SCHED 0
  49 #define PTHREAD_EXPLICIT_SCHED 1
  50
  51 #define PTHREAD_SCOPE_SYSTEM 0
  52 #define PTHREAD_SCOPE_PROCESS 1
  53
  54 #define PTHREAD_PROCESS_PRIVATE 0
  55 #define PTHREAD_PROCESS_SHARED 1
  56
  57
  58 #if defined(__wasilibc_unmodified_upstream) || defined(_REENTRANT)
  59 #define PTHREAD_MUTEX_INITIALIZER {{{0}}}
  60 #define PTHREAD_RWLOCK_INITIALIZER {{{0}}}
  61 #define PTHREAD_COND_INITIALIZER {{{0}}}
  62 #else
  63 #define PTHREAD_MUTEX_INITIALIZER 0
  64 #define PTHREAD_RWLOCK_INITIALIZER 0
  65 #define PTHREAD_COND_INITIALIZER 0
  66 #endif
  67 #define PTHREAD_ONCE_INIT 0
  68
  69
  70 #define PTHREAD_CANCEL_ENABLE 0
  71 #define PTHREAD_CANCEL_DISABLE 1
  72 #define PTHREAD_CANCEL_MASKED 2
  73
  74 #define PTHREAD_CANCEL_DEFERRED 0
  75 #define PTHREAD_CANCEL_ASYNCHRONOUS 1
  76
  77 #define PTHREAD_CANCELED ((void *)-1)
  78
  79
  80 #define PTHREAD_BARRIER_SERIAL_THREAD (-1)
  81
  82
  83 #define PTHREAD_NULL ((pthread_t)0)
  84
  85
  86 int pthread_create(pthread_t *__restrict, const pthread_attr_t *__restrict, void *(*)(void *), void *__restrict);
  87 int pthread_detach(pthread_t);
  88 _Noreturn void pthread_exit(void *);
  89 int pthread_join(pthread_t, void **);
  90
  91 #ifdef __GNUC__
  92 __attribute__((const))
  93 #endif
  94 pthread_t pthread_self(void);
  95
  96 int pthread_equal(pthread_t, pthread_t);
  97 #ifndef __cplusplus
  98 #define pthread_equal(x,y) ((x)==(y))
  99 #endif
 100
 101 int pthread_setcancelstate(int, int *);
 102 int pthread_setcanceltype(int, int *);
 103 void pthread_testcancel(void);
 104 int pthread_cancel(pthread_t);
 105
 106 #ifdef __wasilibc_unmodified_upstream /* WASI has no CPU scheduling support. */
 107 int pthread_getschedparam(pthread_t, int *__restrict, struct sched_param *__restrict);
 108 int pthread_setschedparam(pthread_t, int, const struct sched_param *);
 109 #endif
 110 int pthread_setschedprio(pthread_t, int);
 111
 112 int pthread_once(pthread_once_t *, void (*)(void));
 113
 114 int pthread_mutex_init(pthread_mutex_t *__restrict, const pthread_mutexattr_t *__restrict);
 115 int pthread_mutex_lock(pthread_mutex_t *);
 116 int pthread_mutex_unlock(pthread_mutex_t *);
 117 int pthread_mutex_trylock(pthread_mutex_t *);
 118 int pthread_mutex_timedlock(pthread_mutex_t *__restrict, const struct timespec *__restrict);
 119 int pthread_mutex_destroy(pthread_mutex_t *);
 120 int pthread_mutex_consistent(pthread_mutex_t *);
 121
 122 int pthread_mutex_getprioceiling(const pthread_mutex_t *__restrict, int *__restrict);
 123 int pthread_mutex_setprioceiling(pthread_mutex_t *__restrict, int, int *__restrict);
 124
 125 int pthread_cond_init(pthread_cond_t *__restrict, const pthread_condattr_t *__restrict);
 126 int pthread_cond_destroy(pthread_cond_t *);
 127 int pthread_cond_wait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict);
 128 int pthread_cond_timedwait(pthread_cond_t *__restrict, pthread_mutex_t *__restrict, const struct timespec *__restrict);
 129 int pthread_cond_broadcast(pthread_cond_t *);
 130 int pthread_cond_signal(pthread_cond_t *);
 131
 132 int pthread_rwlock_init(pthread_rwlock_t *__restrict, const pthread_rwlockattr_t *__restrict);
 133 int pthread_rwlock_destroy(pthread_rwlock_t *);
 134 int pthread_rwlock_rdlock(pthread_rwlock_t *);
 135 int pthread_rwlock_tryrdlock(pthread_rwlock_t *);
 136 int pthread_rwlock_timedrdlock(pthread_rwlock_t *__restrict, const struct timespec *__restrict);
 137 int pthread_rwlock_wrlock(pthread_rwlock_t *);
 138 int pthread_rwlock_trywrlock(pthread_rwlock_t *);
 139 int pthread_rwlock_timedwrlock(pthread_rwlock_t *__restrict, const struct timespec *__restrict);
 140 int pthread_rwlock_unlock(pthread_rwlock_t *);
 141
 142 int pthread_spin_init(pthread_spinlock_t *, int);
 143 int pthread_spin_destroy(pthread_spinlock_t *);
 144 int pthread_spin_lock(pthread_spinlock_t *);
 145 int pthread_spin_trylock(pthread_spinlock_t *);
 146 int pthread_spin_unlock(pthread_spinlock_t *);
 147
 148 int pthread_barrier_init(pthread_barrier_t *__restrict, const pthread_barrierattr_t *__restrict, unsigned);
 149 int pthread_barrier_destroy(pthread_barrier_t *);
 150 int pthread_barrier_wait(pthread_barrier_t *);
 151
 152 int pthread_key_create(pthread_key_t *, void (*)(void *));
 153 int pthread_key_delete(pthread_key_t);
 154 void *pthread_getspecific(pthread_key_t);
 155 int pthread_setspecific(pthread_key_t, const void *);
 156
 157 int pthread_attr_init(pthread_attr_t *);
 158 int pthread_attr_destroy(pthread_attr_t *);
 159
 160 int pthread_attr_getguardsize(const pthread_attr_t *__restrict, size_t *__restrict);
 161 int pthread_attr_setguardsize(pthread_attr_t *, size_t);
 162 int pthread_attr_getstacksize(const pthread_attr_t *__restrict, size_t *__restrict);
 163 int pthread_attr_setstacksize(pthread_attr_t *, size_t);
 164 int pthread_attr_getdetachstate(const pthread_attr_t *, int *);
 165 int pthread_attr_setdetachstate(pthread_attr_t *, int);
 166 int pthread_attr_getstack(const pthread_attr_t *__restrict, void **__restrict, size_t *__restrict);
 167 int pthread_attr_setstack(pthread_attr_t *, void *, size_t);
 168 int pthread_attr_getscope(const pthread_attr_t *__restrict, int *__restrict);
 169 int pthread_attr_setscope(pthread_attr_t *, int);
 170 int pthread_attr_getschedpolicy(const pthread_attr_t *__restrict, int *__restrict);
 171 int pthread_attr_setschedpolicy(pthread_attr_t *, int);
 172 #ifdef __wasilibc_unmodified_upstream /* WASI has no CPU scheduling support. */
 173 int pthread_attr_getschedparam(const pthread_attr_t *__restrict, struct sched_param *__restrict);
 174 int pthread_attr_setschedparam(pthread_attr_t *__restrict, const struct sched_param *__restrict);
 175 #endif
 176 int pthread_attr_getinheritsched(const pthread_attr_t *__restrict, int *__restrict);
 177 int pthread_attr_setinheritsched(pthread_attr_t *, int);
 178
 179 int pthread_mutexattr_destroy(pthread_mutexattr_t *);
 180 int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *__restrict, int *__restrict);
 181 int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *__restrict, int *__restrict);
 182 int pthread_mutexattr_getpshared(const pthread_mutexattr_t *__restrict, int *__restrict);
 183 int pthread_mutexattr_getrobust(const pthread_mutexattr_t *__restrict, int *__restrict);
 184 int pthread_mutexattr_gettype(const pthread_mutexattr_t *__restrict, int *__restrict);
 185 int pthread_mutexattr_init(pthread_mutexattr_t *);
 186 int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *, int);
 187 int pthread_mutexattr_setprotocol(pthread_mutexattr_t *, int);
 188 int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
 189 int pthread_mutexattr_setrobust(pthread_mutexattr_t *, int);
 190 int pthread_mutexattr_settype(pthread_mutexattr_t *, int);
 191
 192 int pthread_condattr_init(pthread_condattr_t *);
 193 int pthread_condattr_destroy(pthread_condattr_t *);
 194 int pthread_condattr_setclock(pthread_condattr_t *, clockid_t);
 195 int pthread_condattr_setpshared(pthread_condattr_t *, int);
 196 int pthread_condattr_getclock(const pthread_condattr_t *__restrict, clockid_t *__restrict);
 197 int pthread_condattr_getpshared(const pthread_condattr_t *__restrict, int *__restrict);
 198
 199 int pthread_rwlockattr_init(pthread_rwlockattr_t *);
 200 int pthread_rwlockattr_destroy(pthread_rwlockattr_t *);
 201 int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *, int);
 202 int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *__restrict, int *__restrict);
 203
 204 int pthread_barrierattr_destroy(pthread_barrierattr_t *);
 205 int pthread_barrierattr_getpshared(const pthread_barrierattr_t *__restrict, int *__restrict);
 206 int pthread_barrierattr_init(pthread_barrierattr_t *);
 207 int pthread_barrierattr_setpshared(pthread_barrierattr_t *, int);
 208
 209 int pthread_atfork(void (*)(void), void (*)(void), void (*)(void));
 210
 211 int pthread_getconcurrency(void);
 212 int pthread_setconcurrency(int);
 213
 214 int pthread_getcpuclockid(pthread_t, clockid_t *);
 215
 216 struct __ptcb {
 217         void (*__f)(void *);
 218         void *__x;
 219         struct __ptcb *__next;
 220 };
 221
 222 void _pthread_cleanup_push(struct __ptcb *, void (*)(void *), void *);
 223 void _pthread_cleanup_pop(struct __ptcb *, int);
 224
 225 #define pthread_cleanup_push(f, x) do { struct __ptcb __cb; _pthread_cleanup_push(&__cb, f, x);
 226 #define pthread_cleanup_pop(r) _pthread_cleanup_pop(&__cb, (r)); } while(0)
 227
 228 #ifdef _GNU_SOURCE
 229 struct cpu_set_t;
 230 int pthread_getaffinity_np(pthread_t, size_t, struct cpu_set_t *);
 231 int pthread_setaffinity_np(pthread_t, size_t, const struct cpu_set_t *);
 232 int pthread_getattr_np(pthread_t, pthread_attr_t *);
 233 int pthread_setname_np(pthread_t, const char *);
 234 int pthread_getname_np(pthread_t, char *, size_t);
 235 int pthread_getattr_default_np(pthread_attr_t *);
 236 int pthread_setattr_default_np(const pthread_attr_t *);
 237 int pthread_tryjoin_np(pthread_t, void **);
 238 int pthread_timedjoin_np(pthread_t, void **, const struct timespec *);
 239 #endif
 240
 241 #if _REDIR_TIME64
 242 __REDIR(pthread_mutex_timedlock, __pthread_mutex_timedlock_time64);
 243 __REDIR(pthread_cond_timedwait, __pthread_cond_timedwait_time64);
 244 __REDIR(pthread_rwlock_timedrdlock, __pthread_rwlock_timedrdlock_time64);
 245 __REDIR(pthread_rwlock_timedwrlock, __pthread_rwlock_timedwrlock_time64);
 246 #ifdef _GNU_SOURCE
 247 __REDIR(pthread_timedjoin_np, __pthread_timedjoin_np_time64);
 248 #endif
 249 #endif
 250
 251 #ifdef __cplusplus
 252 }
 253 #endif
 254 #endif