#ifndef _SVSEM_UTIL_H
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#define _SVSEM_UTIL_H
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#include "usg_common.h"
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int svsem_get(key_t key, unsigned int value) ;
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/* Reserve semaphore (blocking), return 0 on success, or -1 with 'errno'
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set to EINTR if operation was interrupted by a signal handler */
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/* Reserve semaphore - decrement it by 1 */
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int svsem_wait(int semid) ;
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int svsem_trywait(int semid) ;
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int svsem_timedwait(const int semid, const struct timespec *timeout) ;
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/* Release semaphore - increment it by 1 */
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int svsem_post(int semid) ;
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int svsem_cond_wait(int semid ) ;
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int svsem_cond_signal(int semid ) ;
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/**
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* If sem_op equals 0, the value of the semaphore is checked to see whether it
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* currently equals 0. If it does, the operation completes immediately; otherwise,
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* semop() blocks until the semaphore value becomes 0.
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*/
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int svsem_zero(int semid) ;
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int svsem_zero_nowait(int semid) ;
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int svsem_zero_timeout(const int semid, const struct timespec *timeout) ;
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int svsem_set(int semid, int val) ;
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void svsem_remove(int semid) ;
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#endif
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