1139825Simp/*- 2103574Salfred * Copyright (c) 2002 Alfred Perlstein <alfred@FreeBSD.org> 3103574Salfred * All rights reserved. 4103574Salfred * 5103574Salfred * Redistribution and use in source and binary forms, with or without 6103574Salfred * modification, are permitted provided that the following conditions 7103574Salfred * are met: 8103574Salfred * 1. Redistributions of source code must retain the above copyright 9103574Salfred * notice, this list of conditions and the following disclaimer. 10103574Salfred * 2. Redistributions in binary form must reproduce the above copyright 11103574Salfred * notice, this list of conditions and the following disclaimer in the 12103574Salfred * documentation and/or other materials provided with the distribution. 13103574Salfred * 14103574Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15103574Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16103574Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17103574Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18103574Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19103574Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20103574Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21103574Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22103574Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23103574Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24103574Salfred * SUCH DAMAGE. 25103574Salfred * 26103574Salfred * $FreeBSD$ 27103574Salfred */ 28103574Salfred#ifndef __SEMAPHORE_H_ 29103574Salfred#define __SEMAPHORE_H_ 30103574Salfred 31103574Salfredtypedef intptr_t semid_t; 32125407Sdeischenstruct timespec; 33103574Salfred 34201546Sdavidxu#define SEM_VALUE_MAX __INT_MAX 35201546Sdavidxu 36103574Salfred#ifndef _KERNEL 37103574Salfred 38103574Salfred__BEGIN_DECLS 39103574Salfred 40103574Salfredint ksem_close(semid_t id); 41103574Salfredint ksem_post(semid_t id); 42103574Salfredint ksem_wait(semid_t id); 43103574Salfredint ksem_trywait(semid_t id); 44151445Sstefanfint ksem_timedwait(semid_t id, const struct timespec *abstime); 45103574Salfredint ksem_init(semid_t *idp, unsigned int value); 46103574Salfredint ksem_open(semid_t *idp, const char *name, int oflag, mode_t mode, 47103574Salfred unsigned int value); 48103574Salfredint ksem_unlink(const char *name); 49103574Salfredint ksem_getvalue(semid_t id, int *val); 50103574Salfredint ksem_destroy(semid_t id); 51103574Salfred 52103574Salfred__END_DECLS 53103574Salfred 54103574Salfred#endif /* !_KERNEL */ 55103574Salfred 56103574Salfred#endif /* __SEMAPHORE_H_ */ 57