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27 lines
539 B
27 lines
539 B
#ifndef _SEMAPHORE_H
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#define _SEMAPHORE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SEM_FAILED ((sem_t *)0)
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typedef struct {
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long __val[4];
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} sem_t;
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int sem_close(sem_t *);
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int sem_destroy(sem_t *);
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int sem_getvalue(sem_t *, int *);
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int sem_init(sem_t *, int, unsigned);
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sem_t *sem_open(const char *, int, ...);
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int sem_post(sem_t *);
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int sem_timedwait(sem_t *, const struct timespec *);
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int sem_trywait(sem_t *);
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int sem_unlink(const char *);
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int sem_wait(sem_t *);
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#ifdef __cplusplus
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}
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#endif
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#endif
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