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_DUPFD_CLOEXEC argument.
22 */
23
24 #include <stdio.h>
25 #include <errno.h>
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <string.h>
29 #include <signal.h>
30 #include <sys/types.h>
31 #include <sys/stat.h>
32 #include <pwd.h>
33
34 #include "test.h"
35 #include "safe_macros.h"
36 #include "lapi/fcntl.h"
37
38 char *TCID = "fcntl29";
39 int TST_TOTAL = 1;
40
41 static void setup(void);
42 static void cleanup(void);
43
44 static int test_fd;
45
main(int ac,char ** av)46 int main(int ac, char **av)
47 {
48 int lc, dup_fd;
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 TEST(fcntl(test_fd, F_DUPFD_CLOEXEC, 0));
58 if (TEST_RETURN < 0) {
59 tst_brkm(TFAIL | TTERRNO, cleanup, "fcntl "
60 "test F_DUPFD_CLOEXEC failed");
61 }
62 dup_fd = TEST_RETURN;
63
64 TEST(fcntl(dup_fd, F_GETFD));
65 if (TEST_RETURN < 0) {
66 SAFE_CLOSE(cleanup, dup_fd);
67 tst_brkm(TFAIL | TTERRNO, cleanup, "fcntl "
68 "test F_GETFD failed");
69 }
70
71 if (TEST_RETURN & FD_CLOEXEC) {
72 tst_resm(TPASS, "fcntl test "
73 "F_DUPFD_CLOEXEC success");
74 } else {
75 tst_resm(TFAIL, "fcntl test "
76 "F_DUPFD_CLOEXEC fail");
77 }
78
79 SAFE_CLOSE(cleanup, dup_fd);
80 }
81
82 cleanup();
83 tst_exit();
84 }
85
setup(void)86 static void setup(void)
87 {
88 if ((tst_kvercmp(2, 6, 24)) < 0) {
89 tst_brkm(TCONF, NULL, "This test can only run on kernels"
90 "that are 2.6.24 and higher");
91 }
92
93 tst_sig(NOFORK, DEF_HANDLER, cleanup);
94
95 tst_tmpdir();
96
97 TEST_PAUSE;
98
99 test_fd = SAFE_CREAT(cleanup, "testfile", 0644);
100 }
101
cleanup(void)102 static void cleanup(void)
103 {
104 if (test_fd > 0)
105 SAFE_CLOSE(NULL, test_fd);
106
107 tst_rmdir();
108 }
109