include/threads.h

   1 #ifndef _THREADS_H
   2 #define _THREADS_H
   3
   4 #include <features.h>
   5 #include <time.h>
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 typedef unsigned long thrd_t;
  10 #else
  11 typedef struct __pthread *thrd_t;
  12 #define thread_local _Thread_local
  13 #endif
  14
  15 typedef int once_flag;
  16 typedef unsigned tss_t;
  17 typedef int (*thrd_start_t)(void *);
  18 typedef void (*tss_dtor_t)(void *);
  19
  20 #define __NEED_cnd_t
  21 #define __NEED_mtx_t
  22
  23 #include <bits/alltypes.h>
  24
  25 #define TSS_DTOR_ITERATIONS 4
  26
  27 enum {
  28         thrd_success  = 0,
  29         thrd_busy     = 1,
  30         thrd_error    = 2,
  31         thrd_nomem    = 3,
  32         thrd_timedout = 4,
  33 };
  34
  35 enum {
  36         mtx_plain     = 0,
  37         mtx_recursive = 1,
  38         mtx_timed     = 2,
  39 };
  40
  41 #define ONCE_FLAG_INIT 0
  42
  43 int thrd_create(thrd_t *, thrd_start_t, void *);
  44 _Noreturn void thrd_exit(int);
  45
  46 int thrd_detach(thrd_t);
  47 int thrd_join(thrd_t, int *);
  48
  49 int thrd_sleep(const struct timespec *, struct timespec *);
  50 void thrd_yield(void);
  51
  52 thrd_t thrd_current(void);
  53 int thrd_equal(thrd_t, thrd_t);
  54 #ifndef __cplusplus
  55 #define thrd_equal(A, B) ((A) == (B))
  56 #endif
  57
  58 void call_once(once_flag *, void (*)(void));
  59
  60 int mtx_init(mtx_t *, int);
  61 void mtx_destroy(mtx_t *);
  62
  63 int mtx_lock(mtx_t *);
  64 int mtx_timedlock(mtx_t *__restrict, const struct timespec *__restrict);
  65 int mtx_trylock(mtx_t *);
  66 int mtx_unlock(mtx_t *);
  67
  68 int cnd_init(cnd_t *);
  69 void cnd_destroy(cnd_t *);
  70
  71 int cnd_broadcast(cnd_t *);
  72 int cnd_signal(cnd_t *);
  73
  74 int cnd_timedwait(cnd_t *__restrict, mtx_t *__restrict, const struct timespec *__restrict);
  75 int cnd_wait(cnd_t *, mtx_t *);
  76
  77 int tss_create(tss_t *, tss_dtor_t);
  78 void tss_delete(tss_t);
  79
  80 int tss_set(tss_t, void *);
  81 void *tss_get(tss_t);
  82
  83 #if _REDIR_TIME64
  84 __REDIR(thrd_sleep, __thrd_sleep_time64);
  85 __REDIR(mtx_timedlock, __mtx_timedlock_time64);
  86 __REDIR(cnd_timedwait, __cnd_timedwait_time64);
  87 #endif
  88
  89 #ifdef __cplusplus
  90 }
  91 #endif
  92
  93 #endif