thr_attr_setschedparam.c revision 67097
144963Sjb/* 244963Sjb * Copyright (c) 1998 Daniel Eischen <eischen@vigrid.com>. 344963Sjb * All rights reserved. 444963Sjb * 544963Sjb * Redistribution and use in source and binary forms, with or without 644963Sjb * modification, are permitted provided that the following conditions 744963Sjb * are met: 844963Sjb * 1. Redistributions of source code must retain the above copyright 944963Sjb * notice, this list of conditions and the following disclaimer. 1044963Sjb * 2. Redistributions in binary form must reproduce the above copyright 1144963Sjb * notice, this list of conditions and the following disclaimer in the 1244963Sjb * documentation and/or other materials provided with the distribution. 1344963Sjb * 3. All advertising materials mentioning features or use of this software 1444963Sjb * must display the following acknowledgement: 1544963Sjb * This product includes software developed by Daniel Eischen. 1644963Sjb * 4. Neither the name of the author nor the names of any co-contributors 1744963Sjb * may be used to endorse or promote products derived from this software 1844963Sjb * without specific prior written permission. 1944963Sjb * 2044963Sjb * THIS SOFTWARE IS PROVIDED BY DANIEL EISCHEN AND CONTRIBUTORS ``AS IS'' AND 2144963Sjb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2244963Sjb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2344963Sjb * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2444963Sjb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2544963Sjb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2644963Sjb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2744963Sjb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2844963Sjb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2944963Sjb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3044963Sjb * SUCH DAMAGE. 3144963Sjb * 3250476Speter * $FreeBSD: head/lib/libkse/thread/thr_attr_setschedparam.c 67097 2000-10-13 22:12:32Z deischen $ 3344963Sjb */ 3444963Sjb#include <errno.h> 3544963Sjb#ifdef _THREAD_SAFE 3644963Sjb#include <pthread.h> 3744963Sjb#include "pthread_private.h" 3844963Sjb 3944963Sjbint 4055708Sdeischenpthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param) 4144963Sjb{ 4244963Sjb int ret = 0; 4344963Sjb 4459892Sjasone if ((attr == NULL) || (*attr == NULL)) 4544963Sjb ret = EINVAL; 4659892Sjasone else if (param == NULL) { 4759892Sjasone ret = ENOTSUP; 4867097Sdeischen } else if ((param->sched_priority < PTHREAD_MIN_PRIORITY) || 4967097Sdeischen (param->sched_priority > PTHREAD_MAX_PRIORITY)) { 5067097Sdeischen /* Return an unsupported value error. */ 5167097Sdeischen ret = ENOTSUP; 5259892Sjasone } else 5344963Sjb (*attr)->prio = param->sched_priority; 5444963Sjb 5544963Sjb return(ret); 5644963Sjb} 5744963Sjb#endif 58