/* * 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. */ /* * test file locking */ #include <unistd.h> #include <stdlib.h> #include <stdio.h> #include <string.h> #include <errno.h> #include <fcntl.h> #include "libmicro.h" static int file; int block(int index) { struct flock fl; fl.l_type = F_WRLCK; fl.l_whence = SEEK_SET; fl.l_start = index; fl.l_len = 1; return (fcntl(file, F_SETLKW, &fl) == -1); } int unblock(int index) { struct flock fl; fl.l_type = F_UNLCK; fl.l_whence = SEEK_SET; fl.l_start = index; fl.l_len = 1; return (fcntl(file, F_SETLK, &fl) == -1); } int benchmark_init() { char fname[80]; int errors = 0; (void) sprintf(fname, "/private/tmp/oneflock.%ld", getpid()); file = open(fname, O_CREAT | O_TRUNC | O_RDWR, 0600); if (file == -1) { errors++; } if (unlink(fname)) { errors++; } lm_tsdsize = 0; return (errors); } /*ARGSUSED*/ int benchmark(void *tsd, result_t *res) { int i; int e = 0; for (i = 0; i < lm_optB; i ++) { e += block(0); e += unblock(0); } res->re_count = i; res->re_errors = e; return (0); }