blob: 49670fc7a5a6c7e081fc28770e6a09f3c7707188 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#ifndef MP_WRAP_SEMAPHORE_H_
#define MP_WRAP_SEMAPHORE_H_
#include <pthread.h>
// See pthread.h for rationale.
#define sem_init m_sem_init
#define sem_destroy m_sem_destroy
#define sem_wait m_sem_wait
#define sem_trywait m_sem_trywait
#define sem_timedwait m_sem_timedwait
#define sem_post m_sem_post
#define SEM_VALUE_MAX 100
typedef struct {
pthread_mutex_t lock;
pthread_cond_t wakeup;
unsigned int value;
} sem_t;
int sem_init(sem_t *sem, int pshared, unsigned int value);
int sem_destroy(sem_t *sem);
int sem_wait(sem_t *sem);
int sem_trywait(sem_t *sem);
int sem_timedwait(sem_t *sem, const struct timespec *abs_timeout);
int sem_post(sem_t *sem);
#endif
|
