1 /* $NetBSD: t_fsync.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */ 2 3 /*- 4 * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jukka Ruohonen. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __RCSID("$NetBSD: t_fsync.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $"); 33 34 #include <errno.h> 35 #include <fcntl.h> 36 #include <stdio.h> 37 #include <stdlib.h> 38 #include <string.h> 39 #include <unistd.h> 40 41 #include <atf-c.h> 42 43 ATF_TC(fsync_err); 44 ATF_TC_HEAD(fsync_err, tc) 45 { 46 atf_tc_set_md_var(tc, "descr", "Test error conditions of fsync(2)"); 47 } 48 49 ATF_TC_BODY(fsync_err, tc) 50 { 51 int i, fd[2]; 52 53 /* 54 * The fsync(2) call should fail with EBADF 55 * when the 'fd' is not a valid descriptor. 56 */ 57 for (i = 1; i < 1024; i = i + 128) { 58 59 errno = 0; 60 61 ATF_REQUIRE(fsync(-i) == -1); 62 ATF_REQUIRE(errno == EBADF); 63 } 64 65 /* 66 * On the other hand, EINVAL should follow 67 * if the operation is not possible with 68 * the file descriptor (cf. PR kern/30). 69 */ 70 ATF_REQUIRE(pipe(fd) == 0); 71 72 errno = 0; 73 74 ATF_REQUIRE(fsync(fd[0]) == -1); 75 ATF_REQUIRE(errno == EINVAL); 76 77 errno = 0; 78 79 ATF_REQUIRE(fsync(fd[1]) == -1); 80 ATF_REQUIRE(errno == EINVAL); 81 82 ATF_REQUIRE(close(fd[0]) == 0); 83 ATF_REQUIRE(close(fd[1]) == 0); 84 } 85 86 ATF_TC(fsync_sync); 87 ATF_TC_HEAD(fsync_sync, tc) 88 { 89 atf_tc_set_md_var(tc, "descr", "A basic test of fsync(2)"); 90 } 91 92 ATF_TC_BODY(fsync_sync, tc) 93 { 94 char buf[128]; 95 int fd, i; 96 97 for (i = 0; i < 10; i++) { 98 99 (void)snprintf(buf, sizeof(buf), "t_fsync-%d", i); 100 101 fd = mkstemp(buf); 102 103 ATF_REQUIRE(fd != -1); 104 ATF_REQUIRE(write(fd, "0", 1) == 1); 105 ATF_REQUIRE(fsync(fd) == 0); 106 107 ATF_REQUIRE(unlink(buf) == 0); 108 ATF_REQUIRE(close(fd) == 0); 109 } 110 } 111 112 ATF_TP_ADD_TCS(tp) 113 { 114 115 ATF_TP_ADD_TC(tp, fsync_err); 116 ATF_TP_ADD_TC(tp, fsync_sync); 117 118 return atf_no_error(); 119 } 120