/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The 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, QUIET ENJOYMENT 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_ */