Ticket #61115: darwin_compat.h

 /*
  * Source: https://github.com/pktgen/sshfs/blob/master/compat/darwin_compat.h
  * Copyright (c) 2006-2008 Amit Singh/Google Inc.
  * Copyright (c) 2011-2013 Benjamin Fleischer
  */

 #ifndef _DARWIN_COMPAT_
 #define _DARWIN_COMPAT_

 #include <pthread.h>

 /* Semaphores */

 struct __local_sem_t
 {
     unsigned int    count;
     pthread_mutex_t count_lock;
     pthread_cond_t  count_cond;
 };

 typedef struct fuse_sem {
     int id;
     union {
         struct __local_sem_t 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_ */