171b3fa15SDavid Xu /* 271b3fa15SDavid Xu * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 371b3fa15SDavid Xu * All rights reserved. 471b3fa15SDavid Xu * 571b3fa15SDavid Xu * Redistribution and use in source and binary forms, with or without 671b3fa15SDavid Xu * modification, are permitted provided that the following conditions 771b3fa15SDavid Xu * are met: 871b3fa15SDavid Xu * 1. Redistributions of source code must retain the above copyright 971b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer. 1071b3fa15SDavid Xu * 2. Redistributions in binary form must reproduce the above copyright 1171b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer in the 1271b3fa15SDavid Xu * documentation and/or other materials provided with the distribution. 1371b3fa15SDavid Xu * 3. All advertising materials mentioning features or use of this software 1471b3fa15SDavid Xu * must display the following acknowledgement: 1571b3fa15SDavid Xu * This product includes software developed by John Birrell. 1671b3fa15SDavid Xu * 4. Neither the name of the author nor the names of any co-contributors 1771b3fa15SDavid Xu * may be used to endorse or promote products derived from this software 1871b3fa15SDavid Xu * without specific prior written permission. 1971b3fa15SDavid Xu * 2071b3fa15SDavid Xu * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 2171b3fa15SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2271b3fa15SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2371b3fa15SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2471b3fa15SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2571b3fa15SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2671b3fa15SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2771b3fa15SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2871b3fa15SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2971b3fa15SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3071b3fa15SDavid Xu * SUCH DAMAGE. 3171b3fa15SDavid Xu * 3271b3fa15SDavid Xu * $FreeBSD: src/lib/libpthread/thread/thr_yield.c,v 1.15 2003/08/18 03:58:29 davidxu Exp $ 33*5a1048c8SDavid Xu * $DragonFly: src/lib/libthread_xu/thread/thr_yield.c,v 1.2 2006/04/05 00:24:36 davidxu Exp $ 3471b3fa15SDavid Xu */ 3571b3fa15SDavid Xu #include <pthread.h> 3671b3fa15SDavid Xu #include "thr_private.h" 3771b3fa15SDavid Xu 3871b3fa15SDavid Xu /* Draft 4 yield */ 3971b3fa15SDavid Xu void 4071b3fa15SDavid Xu _pthread_yield(void) 4171b3fa15SDavid Xu { 4271b3fa15SDavid Xu __sys_sched_yield(); 4371b3fa15SDavid Xu } 44*5a1048c8SDavid Xu 45*5a1048c8SDavid Xu __strong_reference(_pthread_yield, pthread_yield); 46