1 /* $OpenBSD: preemption.c,v 1.1.1.1 2001/08/15 14:37:12 fgsch Exp $ */ 2 /* 3 * Copyright (c) 1993, 1994, 1995, 1996 by Chris Provenzano and contributors, 4 * proven@mit.edu All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Chris Provenzano, 17 * the University of California, Berkeley, and contributors. 18 * 4. Neither the name of Chris Provenzano, the University, nor the names of 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO, THE REGENTS OR 26 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 27 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* ==== test_pthread_cond.c ========================================= 36 * Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu 37 * 38 * Description : Test pthread_cond(). Run this after test_create() 39 * 40 * 1.23 94/05/04 proven 41 * -Started coding this file. 42 */ 43 44 #include <pthread.h> 45 #include <stdio.h> 46 #include "test.h" 47 48 void * 49 new_thread(void * new_buf) 50 { 51 int i; 52 53 printf("yielding:"); 54 for (i = 0; i < 10; i++) { 55 printf(" %d", i); 56 fflush(stdout); 57 pthread_yield(); 58 } 59 printf("\n"); 60 SUCCEED; 61 } 62 63 int 64 main() 65 { 66 pthread_t thread; 67 68 CHECKr(pthread_create(&thread, NULL, new_thread, NULL)); 69 70 while(1) 71 ; 72 PANIC("while"); 73 } 74