1 /*
2 * Copyright (c) 2014 Fujitsu Ltd.
3 * Author: Zeng Linggang <zenglg.jy@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 * DESCRIPTION
19 * Verify that,
20 * 1. fd is not a valid file descriptor, EBADF would return.
21 * 2. old_value is not valid a pointer, EFAULT would return.
22 * 3. fd is not a valid timerfd file descriptor, EINVAL would return.
23 * 4. flags is invalid, EINVAL would return.
24 */
25
26 #define _GNU_SOURCE
27
28 #include <errno.h>
29 #include <sys/types.h>
30 #include <sys/stat.h>
31 #include <fcntl.h>
32
33 #include "test.h"
34 #include "safe_macros.h"
35 #include "lapi/timerfd.h"
36
37 char *TCID = "timerfd_settime01";
38
39 static int bad_clockfd = -1;
40 static int clockfd;
41 static int fd;
42
43 static struct test_case_t {
44 int *fd;
45 int flags;
46 struct itimerspec *old_value;
47 int exp_errno;
48 } test_cases[] = {
49 {&bad_clockfd, 0, NULL, EBADF},
50 {&clockfd, 0, (struct itimerspec *)-1, EFAULT},
51 {&fd, 0, NULL, EINVAL},
52 {&clockfd, -1, NULL, EINVAL},
53 };
54
55 int TST_TOTAL = ARRAY_SIZE(test_cases);
56 static void setup(void);
57 static void timerfd_settime_verify(const struct test_case_t *);
58 static void cleanup(void);
59 static struct itimerspec new_value;
60
main(int argc,char * argv[])61 int main(int argc, char *argv[])
62 {
63 int lc;
64 int i;
65
66 tst_parse_opts(argc, argv, NULL, NULL);
67
68 setup();
69
70 for (lc = 0; TEST_LOOPING(lc); lc++) {
71 tst_count = 0;
72 for (i = 0; i < TST_TOTAL; i++)
73 timerfd_settime_verify(&test_cases[i]);
74 }
75
76 cleanup();
77 tst_exit();
78 }
79
setup(void)80 static void setup(void)
81 {
82 if ((tst_kvercmp(2, 6, 25)) < 0)
83 tst_brkm(TCONF, NULL, "This test needs kernel 2.6.25 or newer");
84
85 tst_sig(NOFORK, DEF_HANDLER, cleanup);
86
87 TEST_PAUSE;
88
89 tst_tmpdir();
90
91 clockfd = timerfd_create(CLOCK_REALTIME, 0);
92 if (clockfd == -1)
93 tst_brkm(TBROK | TERRNO, cleanup, "timerfd_create() fail");
94
95 fd = SAFE_OPEN(cleanup, "test_file", O_RDWR | O_CREAT, 0644);
96 }
97
timerfd_settime_verify(const struct test_case_t * test)98 static void timerfd_settime_verify(const struct test_case_t *test)
99 {
100 TEST(timerfd_settime(*test->fd, test->flags, &new_value,
101 test->old_value));
102
103 if (TEST_RETURN != -1) {
104 tst_resm(TFAIL, "timerfd_settime() succeeded unexpectedly");
105 return;
106 }
107
108 if (TEST_ERRNO == test->exp_errno) {
109 tst_resm(TPASS | TTERRNO,
110 "timerfd_settime() failed as expected");
111 } else {
112 tst_resm(TFAIL | TTERRNO,
113 "timerfd_settime() failed unexpectedly; expected: "
114 "%d - %s", test->exp_errno, strerror(test->exp_errno));
115 }
116 }
117
cleanup(void)118 static void cleanup(void)
119 {
120 if (clockfd > 0)
121 close(clockfd);
122
123 if (fd > 0)
124 close(fd);
125
126 tst_rmdir();
127 }
128