projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| b0d623f7 A |
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 | /* | |
| 32 | * test file locking | |
| 33 | */ | |
| 34 | ||
| 35 | #include <unistd.h> | |
| 36 | #include <stdlib.h> | |
| 37 | #include <stdio.h> | |
| 38 | #include <string.h> | |
| 39 | #include <errno.h> | |
| 40 | #include <fcntl.h> | |
| 41 | ||
| 42 | #include "libmicro.h" | |
| 43 | ||
| 44 | static int file; | |
| 45 | ||
| 46 | int | |
| 47 | block(int index) | |
| 48 | { | |
| 49 | struct flock fl; | |
| 50 | ||
| 51 | fl.l_type = F_WRLCK; | |
| 52 | fl.l_whence = SEEK_SET; | |
| 53 | fl.l_start = index; | |
| 54 | fl.l_len = 1; | |
| 55 | return (fcntl(file, F_SETLKW, &fl) == -1); | |
| 56 | } | |
| 57 | ||
| 58 | int | |
| 59 | unblock(int index) | |
| 60 | { | |
| 61 | struct flock fl; | |
| 62 | ||
| 63 | fl.l_type = F_UNLCK; | |
| 64 | fl.l_whence = SEEK_SET; | |
| 65 | fl.l_start = index; | |
| 66 | fl.l_len = 1; | |
| 67 | return (fcntl(file, F_SETLK, &fl) == -1); | |
| 68 | } | |
| 69 | int | |
| 70 | benchmark_init() | |
| 71 | { | |
| 72 | char fname[80]; | |
| 73 | int errors = 0; | |
| 74 | ||
| 75 | (void) sprintf(fname, "/private/tmp/oneflock.%ld", getpid()); | |
| 76 | ||
| 77 | file = open(fname, O_CREAT | O_TRUNC | O_RDWR, 0600); | |
| 78 | ||
| 79 | if (file == -1) { | |
| 80 | errors++; | |
| 81 | } | |
| 82 | if (unlink(fname)) { | |
| 83 | errors++; | |
| 84 | } | |
| 85 | ||
| 86 | lm_tsdsize = 0; | |
| 87 | ||
| 88 | return (errors); | |
| 89 | } | |
| 90 | ||
| 91 | /*ARGSUSED*/ | |
| 92 | int | |
| 93 | benchmark(void *tsd, result_t *res) | |
| 94 | { | |
| 95 | int i; | |
| 96 | int e = 0; | |
| 97 | ||
| 98 | for (i = 0; i < lm_optB; i ++) { | |
| 99 | e += block(0); | |
| 100 | e += unblock(0); | |
| 101 | } | |
| 102 | res->re_count = i; | |
| 103 | res->re_errors = e; | |
| 104 | ||
| 105 | return (0); | |
| 106 | } |