1 /*
2 *
3 * Copyright (c) Red Hat Inc., 2007
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /*
21 * NAME
22 * posix_fadvise04.c
23 *
24 * DESCRIPTION
25 * Check the value that posix_fadvise returns for pipe descriptor.
26 *
27 * USAGE
28 * posix_fadvise04
29 *
30 * HISTORY
31 * 11/2007 Initial version by Masatake YAMATO <yamato@redhat.com>
32 *
33 * RESTRICTIONS
34 * None
35 */
36
37 #define _XOPEN_SOURCE 600
38 #include <fcntl.h>
39 #include <unistd.h>
40 #include <signal.h>
41 #include <errno.h>
42 #include "test.h"
43 #include "linux_syscall_numbers.h"
44 #ifndef _FILE_OFFSET_BITS
45 #define _FILE_OFFSET_BITS 32
46 #endif
47
48 #ifndef __NR_fadvise64
49 #define __NR_fadvise64 0
50 #endif
51
52 void setup();
53 void cleanup();
54
55 TCID_DEFINE(posix_fadvise04);
56
57 #define GIVEN_IN_SETUP 42 /* No mean. Just used as padding.
58 This is overwritten by setup(). */
59
60 struct test_case_t {
61 int fd;
62 off_t offset;
63 off_t len;
64 int advice;
65 int error;
66 } TC[] = {
67 {
68 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_NORMAL, ESPIPE}, {
69 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_SEQUENTIAL, ESPIPE}, {
70 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_RANDOM, ESPIPE}, {
71 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_NOREUSE, ESPIPE}, {
72 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_WILLNEED, ESPIPE}, {
73 GIVEN_IN_SETUP, 0, 0, POSIX_FADV_DONTNEED, ESPIPE},};
74
75 int TST_TOTAL = sizeof(TC) / sizeof(TC[0]);
76
main(int ac,char ** av)77 int main(int ac, char **av)
78 {
79 int lc;
80 int i;
81
82 /* Check this system has fadvise64 system which is used
83 in posix_fadvise. */
84 if ((_FILE_OFFSET_BITS != 64) && (__NR_fadvise64 == 0)) {
85 tst_resm(TWARN,
86 "This test can only run on kernels that implements ");
87 tst_resm(TWARN, "fadvise64 which is used from posix_fadvise");
88 exit(0);
89 }
90
91 /* Disable test if the version of the kernel is less than 2.6.16 */
92 if ((tst_kvercmp(2, 6, 16)) < 0) {
93 tst_resm(TWARN, "This test can only run on kernels that are ");
94 tst_resm(TWARN, "2.6.16 and higher");
95 exit(0);
96 }
97
98 /*
99 * parse standard options
100 */
101 tst_parse_opts(ac, av, NULL, NULL);
102
103 /*
104 * perform global setup for test
105 */
106 setup();
107
108 /*
109 * check looping state if -i option given on the command line
110 */
111 for (lc = 0; TEST_LOOPING(lc); lc++) {
112
113 tst_count = 0;
114
115 /* loop through the test cases */
116 for (i = 0; i < TST_TOTAL; i++) {
117
118 TEST(posix_fadvise
119 (TC[i].fd, TC[i].offset, TC[i].len, TC[i].advice));
120
121 if (TEST_RETURN == 0) {
122 tst_resm(TFAIL, "call succeeded unexpectedly");
123 continue;
124 }
125
126 /* Man page says:
127 "On error, an error number is returned." */
128 if (TEST_RETURN == TC[i].error) {
129 tst_resm(TPASS, "expected failure - "
130 "returned value = %ld : %s",
131 TEST_RETURN, strerror(TEST_RETURN));
132 } else {
133 tst_resm(TFAIL,
134 "unexpected return value - %ld : %s - "
135 "expected %d", TEST_RETURN,
136 strerror(TEST_RETURN), TC[i].error);
137 }
138 }
139 }
140
141 /*
142 * cleanup and exit
143 */
144 cleanup();
145
146 tst_exit();
147 }
148
149 /*
150 * setup() - performs all ONE TIME setup for this test.
151 */
setup(void)152 void setup(void)
153 {
154 int pipedes[2];
155
156 tst_sig(NOFORK, DEF_HANDLER, cleanup);
157
158 TEST_PAUSE;
159
160 /* Make a pipe */
161 if (pipe(pipedes) != 0) {
162 tst_brkm(TBROK, cleanup,
163 "Untable to make a pipe: %s\n", strerror(errno));
164 } else {
165 int i;
166
167 /* Close write side first.
168 I don't use it in test. */
169 close(pipedes[1]);
170
171 /* Fill fd field of all test cases
172 with read side of pipe. */
173 for (i = 0; i < TST_TOTAL; i++) {
174 TC[i].fd = pipedes[0];
175 }
176 }
177 }
178
179 /*
180 * cleanup() - performs all ONE TIME cleanup for this test at
181 * completion or premature exit.
182 */
cleanup(void)183 void cleanup(void)
184 {
185
186 /* Close pipe of read side */
187 close(TC[0].fd);
188
189 }
190