1*71b3fa15SDavid Xu /* 2*71b3fa15SDavid Xu * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. 3*71b3fa15SDavid Xu * All rights reserved. 4*71b3fa15SDavid Xu * 5*71b3fa15SDavid Xu * Redistribution and use in source and binary forms, with or without 6*71b3fa15SDavid Xu * modification, are permitted provided that the following conditions 7*71b3fa15SDavid Xu * are met: 8*71b3fa15SDavid Xu * 1. Redistributions of source code must retain the above copyright 9*71b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer. 10*71b3fa15SDavid Xu * 2. Redistributions in binary form must reproduce the above copyright 11*71b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer in the 12*71b3fa15SDavid Xu * documentation and/or other materials provided with the distribution. 13*71b3fa15SDavid Xu * 3. All advertising materials mentioning features or use of this software 14*71b3fa15SDavid Xu * must display the following acknowledgement: 15*71b3fa15SDavid Xu * This product includes software developed by John Birrell. 16*71b3fa15SDavid Xu * 4. Neither the name of the author nor the names of any co-contributors 17*71b3fa15SDavid Xu * may be used to endorse or promote products derived from this software 18*71b3fa15SDavid Xu * without specific prior written permission. 19*71b3fa15SDavid Xu * 20*71b3fa15SDavid Xu * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 21*71b3fa15SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22*71b3fa15SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23*71b3fa15SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24*71b3fa15SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25*71b3fa15SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26*71b3fa15SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27*71b3fa15SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28*71b3fa15SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29*71b3fa15SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30*71b3fa15SDavid Xu * SUCH DAMAGE. 31*71b3fa15SDavid Xu * 32*71b3fa15SDavid Xu * $FreeBSD: src/lib/libpthread/thread/thr_yield.c,v 1.15 2003/08/18 03:58:29 davidxu Exp $ 33*71b3fa15SDavid Xu * $DragonFly: src/lib/libthread_xu/thread/thr_yield.c,v 1.1 2005/02/01 12:38:27 davidxu Exp $ 34*71b3fa15SDavid Xu */ 35*71b3fa15SDavid Xu #include <pthread.h> 36*71b3fa15SDavid Xu #include "thr_private.h" 37*71b3fa15SDavid Xu 38*71b3fa15SDavid Xu __weak_reference(_pthread_yield, pthread_yield); 39*71b3fa15SDavid Xu 40*71b3fa15SDavid Xu /* Draft 4 yield */ 41*71b3fa15SDavid Xu void 42*71b3fa15SDavid Xu _pthread_yield(void) 43*71b3fa15SDavid Xu { 44*71b3fa15SDavid Xu __sys_sched_yield(); 45*71b3fa15SDavid Xu } 46