/* * CDDL HEADER START * * The contents of this file are subject to the terms * of the Common Development and Distribution License * (the "License"). You may not use this file except * in compliance with the License. * * You can obtain a copy of the license at * src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing * permissions and limitations under the License. * * When distributing Covered Code, include this CDDL * HEADER in each file and include the License file at * usr/src/OPENSOLARIS.LICENSE. If applicable, * add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your * own identifying information: Portions Copyright [yyyy] * [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <ucontext.h> #include "libmicro.h" int benchmark_init() { (void) sprintf(lm_usage, "notes: measures setcontext()\n"); lm_tsdsize = 0; return (0); } /*ARGSUSED*/ int benchmark(void *tsd, result_t *res) { volatile int i; ucontext_t uc; i = 0; (void) getcontext(&uc); if (i++ < lm_optB) (void) setcontext(&uc); res->re_count += lm_optB; return (0); }