03831d35f7499c87d51205817c93e9a8d42c4baestevel/*
03831d35f7499c87d51205817c93e9a8d42c4baestevel * CDDL HEADER START
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * The contents of this file are subject to the terms of the
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Common Development and Distribution License, Version 1.0 only
03831d35f7499c87d51205817c93e9a8d42c4baestevel * (the "License"). You may not use this file except in compliance
03831d35f7499c87d51205817c93e9a8d42c4baestevel * with the License.
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
03831d35f7499c87d51205817c93e9a8d42c4baestevel * or http://www.opensolaris.org/os/licensing.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * See the License for the specific language governing permissions
03831d35f7499c87d51205817c93e9a8d42c4baestevel * and limitations under the License.
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * When distributing Covered Code, include this CDDL HEADER in each
03831d35f7499c87d51205817c93e9a8d42c4baestevel * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * If applicable, add the following below this CDDL HEADER, with the
03831d35f7499c87d51205817c93e9a8d42c4baestevel * fields enclosed by brackets "[]" replaced with your own identifying
03831d35f7499c87d51205817c93e9a8d42c4baestevel * information: Portions Copyright [yyyy] [name of copyright owner]
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * CDDL HEADER END
03831d35f7499c87d51205817c93e9a8d42c4baestevel */
03831d35f7499c87d51205817c93e9a8d42c4baestevel/*
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
03831d35f7499c87d51205817c93e9a8d42c4baestevel * Use is subject to license terms.
03831d35f7499c87d51205817c93e9a8d42c4baestevel */
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#ifndef __XSEM_H__
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define __XSEM_H__
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#pragma ident "%Z%%M% %I% %E% SMI"
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#ifdef __cplusplus
03831d35f7499c87d51205817c93e9a8d42c4baestevelextern "C" {
03831d35f7499c87d51205817c93e9a8d42c4baestevel#endif
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel/*
03831d35f7499c87d51205817c93e9a8d42c4baestevel * xsem.h: to provide a semaphore system (used by the smq routines)
03831d35f7499c87d51205817c93e9a8d42c4baestevel *
03831d35f7499c87d51205817c93e9a8d42c4baestevel * these routines come from the libxposix library.
03831d35f7499c87d51205817c93e9a8d42c4baestevel */
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#include <pthread.h>
03831d35f7499c87d51205817c93e9a8d42c4baestevel#include <time.h>
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* DEFINES */
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define XSEM_ERROR -1
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define XSEM_EBUSY 1
03831d35f7499c87d51205817c93e9a8d42c4baestevel#define XSEM_ETIME 2
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* STRUCTURES */
03831d35f7499c87d51205817c93e9a8d42c4baesteveltypedef struct
03831d35f7499c87d51205817c93e9a8d42c4baestevel{
03831d35f7499c87d51205817c93e9a8d42c4baestevel pthread_mutex_t semMutex;
03831d35f7499c87d51205817c93e9a8d42c4baestevel pthread_cond_t semCV;
03831d35f7499c87d51205817c93e9a8d42c4baestevel int semaphore;
03831d35f7499c87d51205817c93e9a8d42c4baestevel} xsem_t;
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel/* PROTOTYPES */
03831d35f7499c87d51205817c93e9a8d42c4baestevelint xsem_init(xsem_t *sem, int pshared, unsigned int value);
03831d35f7499c87d51205817c93e9a8d42c4baestevelvoid xsem_destroy(xsem_t *sem);
03831d35f7499c87d51205817c93e9a8d42c4baestevelint xsem_wait(xsem_t *sem);
03831d35f7499c87d51205817c93e9a8d42c4baestevelint xsem_trywait(xsem_t *sem);
03831d35f7499c87d51205817c93e9a8d42c4baestevelint xsem_post(xsem_t *sem);
03831d35f7499c87d51205817c93e9a8d42c4baestevelvoid xsem_getvalue(xsem_t *sem, int *sval);
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevelint xsem_xwait(xsem_t *sem, int timeout, timestruc_t *time);
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#ifdef __cplusplus
03831d35f7499c87d51205817c93e9a8d42c4baestevel}
03831d35f7499c87d51205817c93e9a8d42c4baestevel#endif
03831d35f7499c87d51205817c93e9a8d42c4baestevel
03831d35f7499c87d51205817c93e9a8d42c4baestevel#endif /* __XSEM_H__ */