1 /* $NetBSD: t_fsync.c,v 1.2 2012/03/18 07:00:52 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 1.2 2012/03/18 07:00:52 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);
ATF_TC_HEAD(fsync_err,tc)44 ATF_TC_HEAD(fsync_err, tc)
45 {
46 atf_tc_set_md_var(tc, "descr",
47 "Test error conditions of fsync(2) (PR kern/30)");
48 }
49
ATF_TC_BODY(fsync_err,tc)50 ATF_TC_BODY(fsync_err, tc)
51 {
52 int i, fd[2];
53
54 /*
55 * The fsync(2) call should fail with EBADF
56 * when the 'fd' is not a valid descriptor.
57 */
58 for (i = 1; i < 1024; i = i + 128) {
59
60 errno = 0;
61
62 ATF_REQUIRE(fsync(-i) == -1);
63 ATF_REQUIRE(errno == EBADF);
64 }
65
66 /*
67 * On the other hand, EINVAL should follow
68 * if the operation is not possible with
69 * the file descriptor.
70 */
71 ATF_REQUIRE(pipe(fd) == 0);
72
73 errno = 0;
74
75 ATF_REQUIRE(fsync(fd[0]) == -1);
76 ATF_REQUIRE(errno == EINVAL);
77
78 errno = 0;
79
80 ATF_REQUIRE(fsync(fd[1]) == -1);
81 ATF_REQUIRE(errno == EINVAL);
82
83 ATF_REQUIRE(close(fd[0]) == 0);
84 ATF_REQUIRE(close(fd[1]) == 0);
85 }
86
87 ATF_TC(fsync_sync);
ATF_TC_HEAD(fsync_sync,tc)88 ATF_TC_HEAD(fsync_sync, tc)
89 {
90 atf_tc_set_md_var(tc, "descr", "A basic test of fsync(2)");
91 }
92
ATF_TC_BODY(fsync_sync,tc)93 ATF_TC_BODY(fsync_sync, tc)
94 {
95 char buf[128];
96 int fd, i;
97
98 for (i = 0; i < 10; i++) {
99
100 (void)snprintf(buf, sizeof(buf), "t_fsync-%d", i);
101
102 fd = mkstemp(buf);
103
104 ATF_REQUIRE(fd != -1);
105 ATF_REQUIRE(write(fd, "0", 1) == 1);
106 ATF_REQUIRE(fsync(fd) == 0);
107
108 ATF_REQUIRE(unlink(buf) == 0);
109 ATF_REQUIRE(close(fd) == 0);
110 }
111 }
112
ATF_TP_ADD_TCS(tp)113 ATF_TP_ADD_TCS(tp)
114 {
115
116 ATF_TP_ADD_TC(tp, fsync_err);
117 ATF_TP_ADD_TC(tp, fsync_sync);
118
119 return atf_no_error();
120 }
121