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/* semaphore.h: POSIX semaphore interface
Copyright 2001 Red Hat, Inc.
Written by Robert Collins <rbtcollins@hotmail.com>
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <sys/types.h>
#ifndef _SEMAPHORE_H
#define _SEMAPHORE_H
#ifdef __cplusplus
extern "C"
{
#endif
#ifndef __INSIDE_CYGWIN__
typedef void *sem_t;
#endif
#define SEM_FAILED 0
#define SEM_VALUE_MAX 1147483648
/* Semaphores */
int sem_init (sem_t * sem, int pshared, unsigned int value);
int sem_destroy (sem_t * sem);
int sem_wait (sem_t * sem);
int sem_trywait (sem_t * sem);
int sem_post (sem_t * sem);
#ifdef __cplusplus
}
#endif
#endif /* _SEMAPHORE_H */
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