1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) Red Hat Inc., 2007
4 */
5
6 /*
7 * NAME
8 * posix_fadvise01.c
9 *
10 * DESCRIPTION
11 * Check the value that posix_fadvise returns for wrong ADVISE value.
12 *
13 * USAGE
14 * posix_fadvise01
15 *
16 * HISTORY
17 * 11/2007 Initial version by Masatake YAMATO <yamato@redhat.com>
18 *
19 * RESTRICTIONS
20 * None
21 */
22
23 #define _XOPEN_SOURCE 600
24 #include <fcntl.h>
25
26 #include <unistd.h>
27 #include <signal.h>
28 #include <errno.h>
29 #include <string.h>
30
31 #include "tst_test.h"
32 #include "lapi/syscalls.h"
33
34 char fname[] = "/bin/cat"; /* test executable to open */
35 int fd = -1; /* initialized in open */
36
37 int expected_return = 0;
38
39 int defined_advise[] = {
40 POSIX_FADV_NORMAL,
41 POSIX_FADV_SEQUENTIAL,
42 POSIX_FADV_RANDOM,
43 POSIX_FADV_NOREUSE,
44 POSIX_FADV_WILLNEED,
45 POSIX_FADV_DONTNEED,
46 };
47
verify_fadvise(unsigned int n)48 static void verify_fadvise(unsigned int n)
49 {
50 TEST(posix_fadvise(fd, 0, 0, defined_advise[n]));
51
52 /* Man page says:
53 "On error, an error number is returned." */
54 if (TST_RET == expected_return) {
55 tst_res(TPASS, "call succeeded expectedly");
56 } else {
57 tst_res(TFAIL,
58 "unexpected return value - %ld : %s, advise %d - "
59 "expected %d",
60 TST_RET,
61 tst_strerrno(TST_RET),
62 defined_advise[n], expected_return);
63 }
64 }
65
setup(void)66 static void setup(void)
67 {
68 fd = SAFE_OPEN(fname, O_RDONLY);
69 }
70
cleanup(void)71 static void cleanup(void)
72 {
73 if (fd > 0)
74 SAFE_CLOSE(fd);
75 }
76
77 static struct tst_test test = {
78 .setup = setup,
79 .cleanup = cleanup,
80 .test = verify_fadvise,
81 .tcnt = ARRAY_SIZE(defined_advise),
82 };
83