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 <ucontext.h> 35 36#include "libmicro.h" 37 38int 39benchmark_init() 40{ 41 42 (void) sprintf(lm_usage, "notes: measures setcontext()\n"); 43 44 lm_tsdsize = 0; 45 46 return (0); 47} 48 49/*ARGSUSED*/ 50int 51benchmark(void *tsd, result_t *res) 52{ 53 volatile int i; 54 55 ucontext_t uc; 56 57 i = 0; 58 59 (void) getcontext(&uc); 60 61 if (i++ < lm_optB) 62 (void) setcontext(&uc); 63 64 res->re_count += lm_optB; 65 66 return (0); 67} 68