thr_setprio.c revision 165967
1168793Sthompsa/* 2168793Sthompsa * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3168793Sthompsa * All rights reserved. 4168793Sthompsa * 5168793Sthompsa * Redistribution and use in source and binary forms, with or without 6168793Sthompsa * modification, are permitted provided that the following conditions 7168793Sthompsa * are met: 8168793Sthompsa * 1. Redistributions of source code must retain the above copyright 9168793Sthompsa * notice, this list of conditions and the following disclaimer. 10168793Sthompsa * 2. Redistributions in binary form must reproduce the above copyright 11168793Sthompsa * notice, this list of conditions and the following disclaimer in the 12168793Sthompsa * documentation and/or other materials provided with the distribution. 13168793Sthompsa * 3. Neither the name of the author nor the names of any co-contributors 14168793Sthompsa * may be used to endorse or promote products derived from this software 15168793Sthompsa * without specific prior written permission. 16168793Sthompsa * 17168793Sthompsa * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 18168793Sthompsa * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19168793Sthompsa * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20168793Sthompsa * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21168793Sthompsa * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22168793Sthompsa * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23168793Sthompsa * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24168793Sthompsa * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25168793Sthompsa * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26168793Sthompsa * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27168793Sthompsa * SUCH DAMAGE. 28168793Sthompsa * 29168793Sthompsa * $FreeBSD: head/lib/libkse/thread/thr_setprio.c 165967 2007-01-12 07:26:21Z imp $ 30168793Sthompsa */ 31168793Sthompsa#include <pthread.h> 32171247Sthompsa#include "thr_private.h" 33171247Sthompsa 34168793SthompsaLT10_COMPAT_PRIVATE(_pthread_setprio); 35168793SthompsaLT10_COMPAT_DEFAULT(pthread_setprio); 36168793Sthompsa 37168793Sthompsa__weak_reference(_pthread_setprio, pthread_setprio); 38168793Sthompsa 39168793Sthompsaint 40168793Sthompsa_pthread_setprio(pthread_t pthread, int prio) 41168793Sthompsa{ 42168793Sthompsa int ret, policy; 43236178Srea struct sched_param param; 44236178Srea 45168793Sthompsa if ((ret = pthread_getschedparam(pthread, &policy, ¶m)) == 0) { 46168793Sthompsa param.sched_priority = prio; 47168793Sthompsa ret = pthread_setschedparam(pthread, policy, ¶m); 48168793Sthompsa } 49168793Sthompsa 50168793Sthompsa /* Return the error status: */ 51168793Sthompsa return (ret); 52168793Sthompsa} 53168793Sthompsa