33 lines
641 B
C
33 lines
641 B
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) NGINX, Inc.
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*/
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#ifndef _NXT_UNIX_SEMAPHORE_H_INCLUDED_
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#define _NXT_UNIX_SEMAPHORE_H_INCLUDED_
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#if (NXT_HAVE_SEM_TIMEDWAIT)
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typedef sem_t nxt_sem_t;
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#else
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typedef struct {
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nxt_atomic_t count;
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nxt_thread_mutex_t mutex;
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nxt_thread_cond_t cond;
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} nxt_sem_t;
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#endif
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NXT_EXPORT nxt_int_t nxt_sem_init(nxt_sem_t *sem, nxt_uint_t count);
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NXT_EXPORT void nxt_sem_destroy(nxt_sem_t *sem);
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NXT_EXPORT nxt_int_t nxt_sem_post(nxt_sem_t *sem);
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NXT_EXPORT nxt_err_t nxt_sem_wait(nxt_sem_t *sem, nxt_nsec_t timeout);
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#endif /* _NXT_UNIX_SEMAPHORE_H_INCLUDED_ */
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