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a866e2d902
will appear in the next version: https://www.opengroup.org/austin/docs/austin_1110.pdf Change-Id: Iee3faf23647aa5244ad316fe1c3d825592483935 Reviewed-on: https://review.haiku-os.org/c/haiku/+/4966 Reviewed-by: waddlesplash <waddlesplash@gmail.com> Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
47 lines
985 B
C
47 lines
985 B
C
/*
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* Copyright 2008-2015 Haiku, Inc.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _SEMAPHORE_H_
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#define _SEMAPHORE_H_
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#include <fcntl.h>
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#include <stdint.h>
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#include <sys/cdefs.h>
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#include <time.h>
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typedef struct _sem_t {
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int32_t type;
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union {
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int32_t named_sem_id;
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int32_t unnamed_sem;
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} u;
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int32_t padding[2];
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} sem_t;
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#define SEM_FAILED ((sem_t*)(long)-1)
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__BEGIN_DECLS
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sem_t* sem_open(const char* name, int openFlags,...);
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int sem_close(sem_t* semaphore);
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int sem_unlink(const char* name);
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int sem_init(sem_t* semaphore, int shared, unsigned value);
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int sem_destroy(sem_t* semaphore);
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int sem_post(sem_t* semaphore);
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int sem_clockwait(sem_t* semaphore, clockid_t clock_id,
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const struct timespec* abstime);
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int sem_timedwait(sem_t* semaphore, const struct timespec* abstime);
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int sem_trywait(sem_t* semaphore);
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int sem_wait(sem_t* semaphore);
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int sem_getvalue(sem_t* semaphore, int* value);
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__END_DECLS
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#endif /* _SEMAPHORE_H_ */
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