1 /*
2 * Copyright (c) 2014 Fujitsu Ltd.
3 * Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 *
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 */
17
18 /*
19 * Description:
20 * Verify that,
21 * Basic test for fcntl(2) using F_SETPIPE_SZ, F_GETPIPE_SZ argument.
22 */
23
24
25 #include <stdio.h>
26 #include <errno.h>
27 #include <unistd.h>
28 #include <string.h>
29 #include <signal.h>
30 #include <sys/types.h>
31 #include <pwd.h>
32
33 #include "test.h"
34 #include "safe_macros.h"
35 #include "lapi/fcntl.h"
36
37 char *TCID = "fcntl30";
38 int TST_TOTAL = 1;
39
40 static void setup(void);
41 static void cleanup(void);
42
main(int ac,char ** av)43 int main(int ac, char **av)
44 {
45 int lc;
46 int pipe_fds[2], test_fd;
47 int orig_pipe_size, new_pipe_size;
48
49
50 tst_parse_opts(ac, av, NULL, NULL);
51
52 setup();
53
54 for (lc = 0; TEST_LOOPING(lc); lc++) {
55 tst_count = 0;
56
57 SAFE_PIPE(cleanup, pipe_fds);
58 test_fd = pipe_fds[1];
59
60 TEST(fcntl(test_fd, F_GETPIPE_SZ));
61 if (TEST_RETURN < 0) {
62 tst_brkm(TFAIL | TTERRNO, cleanup,
63 "fcntl get pipe size failed");
64 }
65
66 orig_pipe_size = TEST_RETURN;
67 new_pipe_size = orig_pipe_size * 2;
68 TEST(fcntl(test_fd, F_SETPIPE_SZ, new_pipe_size));
69 if (TEST_RETURN < 0) {
70 tst_brkm(TFAIL | TTERRNO, cleanup,
71 "fcntl test F_SETPIPE_SZ failed");
72 }
73
74 TEST(fcntl(test_fd, F_GETPIPE_SZ));
75 if (TEST_RETURN < 0) {
76 tst_brkm(TFAIL | TTERRNO, cleanup,
77 "fcntl test F_GETPIPE_SZ failed");
78 }
79 tst_resm(TINFO, "orig_pipe_size: %d new_pipe_size: %d",
80 orig_pipe_size, new_pipe_size);
81 if (TEST_RETURN >= new_pipe_size) {
82 tst_resm(TPASS, "fcntl test F_GETPIPE_SZ and F_SETPIPE_SZ passed");
83 } else {
84 tst_resm(TFAIL, "fcntl test F_GETPIPE_SZ and F_SETPIPE_SZ failed");
85 }
86 SAFE_CLOSE(cleanup, pipe_fds[0]);
87 SAFE_CLOSE(cleanup, pipe_fds[1]);
88 }
89
90 cleanup();
91 tst_exit();
92 }
93
setup(void)94 static void setup(void)
95 {
96 if ((tst_kvercmp(2, 6, 35)) < 0) {
97 tst_brkm(TCONF, NULL, "kernel >= 2.6.35 required");
98 }
99
100 tst_sig(NOFORK, DEF_HANDLER, cleanup);
101
102 TEST_PAUSE;
103 }
104
cleanup(void)105 static void cleanup(void)
106 {
107 }
108