1 /*
2 * Copyright (c) 2016 Cyril Hrubis <chrubis@suse.cz>
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17 /*
18 * This is basic test for pselect() returning without error.
19 */
20 #include <stdio.h>
21 #include <fcntl.h>
22 #include <sys/select.h>
23 #include <sys/time.h>
24 #include <sys/types.h>
25 #include <time.h>
26 #include <unistd.h>
27 #include <errno.h>
28
29 #include "tst_test.h"
30
31 static int fd;
32
verify_pselect(void)33 static void verify_pselect(void)
34 {
35 fd_set readfds;
36 struct timespec tv = {0};
37
38 FD_ZERO(&readfds);
39 FD_SET(fd, &readfds);
40
41 TEST(pselect(fd, &readfds, 0, 0, &tv, NULL));
42 if (TST_RET >= 0)
43 tst_res(TPASS, "pselect() succeeded retval=%li", TST_RET);
44 else
45 tst_res(TFAIL | TTERRNO, "pselect() failed unexpectedly");
46 }
47
setup(void)48 static void setup(void)
49 {
50 fd = SAFE_OPEN("pselect03_file", O_CREAT | O_RDWR, 0777);
51 }
52
cleanup(void)53 static void cleanup(void)
54 {
55 if (fd > 0)
56 SAFE_CLOSE(fd);
57 }
58
59 static struct tst_test test = {
60 .needs_tmpdir = 1,
61 .setup = setup,
62 .cleanup = cleanup,
63 .test_all = verify_pselect,
64 };
65