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