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 <string.h>
28 #include <signal.h>
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <pwd.h>
32
33 #include "test.h"
34 #include "safe_macros.h"
35 #include "lapi/fcntl.h"
36
37 char *TCID = "fcntl29";
38 int TST_TOTAL = 1;
39
40 static void setup(void);
41 static void cleanup(void);
42
43 static int test_fd;
44
main(int ac,char ** av)45 int main(int ac, char **av)
46 {
47 int lc, dup_fd;
48
49 tst_parse_opts(ac, av, NULL, NULL);
50
51 setup();
52
53 for (lc = 0; TEST_LOOPING(lc); lc++) {
54 tst_count = 0;
55
56 TEST(fcntl(test_fd, F_DUPFD_CLOEXEC, 0));
57 if (TEST_RETURN < 0) {
58 tst_brkm(TFAIL | TTERRNO, cleanup, "fcntl "
59 "test F_DUPFD_CLOEXEC failed");
60 }
61 dup_fd = TEST_RETURN;
62
63 TEST(fcntl(dup_fd, F_GETFD));
64 if (TEST_RETURN < 0) {
65 SAFE_CLOSE(cleanup, dup_fd);
66 tst_brkm(TFAIL | TTERRNO, cleanup, "fcntl "
67 "test F_GETFD failed");
68 }
69
70 if (TEST_RETURN & FD_CLOEXEC) {
71 tst_resm(TPASS, "fcntl test "
72 "F_DUPFD_CLOEXEC success");
73 } else {
74 tst_resm(TFAIL, "fcntl test "
75 "F_DUPFD_CLOEXEC fail");
76 }
77
78 SAFE_CLOSE(cleanup, dup_fd);
79 }
80
81 cleanup();
82 tst_exit();
83 }
84
setup(void)85 static void setup(void)
86 {
87 if ((tst_kvercmp(2, 6, 24)) < 0) {
88 tst_brkm(TCONF, NULL, "Kernels >= 2.6.24 required");
89 }
90
91 tst_sig(NOFORK, DEF_HANDLER, cleanup);
92
93 tst_tmpdir();
94
95 TEST_PAUSE;
96
97 test_fd = SAFE_CREAT(cleanup, "testfile", 0644);
98 }
99
cleanup(void)100 static void cleanup(void)
101 {
102 if (test_fd > 0)
103 SAFE_CLOSE(NULL, test_fd);
104
105 tst_rmdir();
106 }
107