github.com/afumu/libc@v0.0.6/musl/include/semaphore.h (about)

     1  #ifndef _SEMAPHORE_H
     2  #define _SEMAPHORE_H
     3  #ifdef __cplusplus
     4  extern "C" {
     5  #endif
     6  
     7  #include <features.h>
     8  
     9  #define __NEED_time_t
    10  #define __NEED_struct_timespec
    11  #include <bits/alltypes.h>
    12  
    13  #include <fcntl.h>
    14  
    15  #define SEM_FAILED ((sem_t *)0)
    16  
    17  typedef struct {
    18  	volatile int __val[4*sizeof(long)/sizeof(int)];
    19  } sem_t;
    20  
    21  int    sem_close(sem_t *);
    22  int    sem_destroy(sem_t *);
    23  int    sem_getvalue(sem_t *__restrict, int *__restrict);
    24  int    sem_init(sem_t *, int, unsigned);
    25  sem_t *sem_open(const char *, int, ...);
    26  int    sem_post(sem_t *);
    27  int    sem_timedwait(sem_t *__restrict, const struct timespec *__restrict);
    28  int    sem_trywait(sem_t *);
    29  int    sem_unlink(const char *);
    30  int    sem_wait(sem_t *);
    31  
    32  #if _REDIR_TIME64
    33  __REDIR(sem_timedwait, __sem_timedwait_time64);
    34  #endif
    35  
    36  #ifdef __cplusplus
    37  }
    38  #endif
    39  #endif