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/*
* Copyright (c) 2006-2008 Amit Singh/Google Inc.
* Copyright (c) 2011-2013 Benjamin Fleischer
*/
#ifndef _DARWIN_COMPAT_
#define _DARWIN_COMPAT_
#include <pthread.h>
/* Semaphores */
typedef struct darwin_sem {
int id;
union {
struct
{
unsigned int count;
pthread_mutex_t count_lock;
pthread_cond_t count_cond;
} local;
} __data;
} darwin_sem_t;
#define DARWIN_SEM_VALUE_MAX ((int32_t)32767)
int darwin_sem_init(darwin_sem_t *sem, int pshared, unsigned int value);
int darwin_sem_destroy(darwin_sem_t *sem);
int darwin_sem_getvalue(darwin_sem_t *sem, unsigned int *value);
int darwin_sem_post(darwin_sem_t *sem);
int darwin_sem_timedwait(darwin_sem_t *sem, const struct timespec *abs_timeout);
int darwin_sem_trywait(darwin_sem_t *sem);
int darwin_sem_wait(darwin_sem_t *sem);
/* Caller must not include <semaphore.h> */
typedef darwin_sem_t sem_t;
#define sem_init(s, p, v) darwin_sem_init(s, p, v)
#define sem_destroy(s) darwin_sem_destroy(s)
#define sem_getvalue(s, v) darwin_sem_getvalue(s, v)
#define sem_post(s) darwin_sem_post(s)
#define sem_timedwait(s, t) darwin_sem_timedwait(s, t)
#define sem_trywait(s) darwin_sem_trywait(s)
#define sem_wait(s) darwin_sem_wait(s)
#define SEM_VALUE_MAX DARWIN_SEM_VALUE_MAX
#endif /* _DARWIN_COMPAT_ */
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