/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* @(#)semaphore.h 1.0 2/29/00 */ /* * semaphore.h - POSIX semaphores * * HISTORY * 29-Feb-00 A.Ramesh at Apple * Created for Mac OS X */ #ifndef _SYS_SEMAPHORE_H_ #define _SYS_SEMAPHORE_H_ typedef int sem_t; /* this should go in limits.h> */ #define SEM_VALUE_MAX 32767 #define SEM_FAILED -1 #ifndef KERNEL int sem_close(sem_t *); int sem_destroy(sem_t *); int sem_getvalue(sem_t *, int *); int sem_init(sem_t *, int, unsigned int); sem_t * sem_open(const char *, int, ...); int sem_post(sem_t *); int sem_trywait(sem_t *); int sem_unlink(const char *); int sem_wait(sem_t *); #endif /* KERNEL */ #endif /* _SYS_SEMAPHORE_H_ */