1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms 5 * of the Common Development and Distribution License 6 * (the "License"). You may not use this file except 7 * in compliance with the License. 8 * 9 * You can obtain a copy of the license at 10 * src/OPENSOLARIS.LICENSE 11 * or http://www.opensolaris.org/os/licensing. 12 * See the License for the specific language governing 13 * permissions and limitations under the License. 14 * 15 * When distributing Covered Code, include this CDDL 16 * HEADER in each file and include the License file at 17 * usr/src/OPENSOLARIS.LICENSE. If applicable, 18 * add the following below this CDDL HEADER, with the 19 * fields enclosed by brackets "[]" replaced with your 20 * own identifying information: Portions Copyright [yyyy] 21 * [name of copyright owner] 22 * 23 * CDDL HEADER END 24 */ 25 26 /* 27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <unistd.h> 34 #include <signal.h> 35 #include <ucontext.h> 36 37 #include "libmicro.h" 38 39 int benchmark_init()40benchmark_init() 41 { 42 43 (void) sprintf(lm_usage, "notes: measures setcontext()\n"); 44 45 lm_tsdsize = 0; 46 47 return (0); 48 } 49 50 /*ARGSUSED*/ 51 int benchmark(void * tsd,result_t * res)52benchmark(void *tsd, result_t *res) 53 { 54 volatile int i; 55 56 ucontext_t uc; 57 58 i = 0; 59 60 (void) getcontext(&uc); 61 62 if (i++ < lm_optB) 63 (void) setcontext(&uc); 64 65 res->re_count += lm_optB; 66 67 return (0); 68 } 69