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d614a753 | 1 | /* Copyright (C) 2003-2020 Free Software Foundation, Inc. |
949ec764 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
949ec764 UD |
18 | |
19 | #include <errno.h> | |
20 | #include <semaphore.h> | |
21 | #include <signal.h> | |
22 | #include <stdio.h> | |
23 | #include <unistd.h> | |
24 | ||
25 | ||
26 | static void | |
27 | handler (int sig) | |
28 | { | |
29 | struct sigaction sa; | |
30 | ||
31 | sa.sa_handler = SIG_DFL; | |
32 | sa.sa_flags = 0; | |
33 | sigemptyset (&sa.sa_mask); | |
34 | ||
35 | sigaction (SIGALRM, &sa, NULL); | |
36 | ||
37 | /* Rearm the timer. */ | |
38 | alarm (1); | |
39 | } | |
40 | ||
41 | ||
42 | static int | |
43 | do_test (void) | |
44 | { | |
45 | sem_t s; | |
46 | struct sigaction sa; | |
47 | ||
48 | sa.sa_handler = handler; | |
49 | sa.sa_flags = 0; | |
50 | sigemptyset (&sa.sa_mask); | |
51 | ||
52 | sigaction (SIGALRM, &sa, NULL); | |
53 | ||
54 | if (sem_init (&s, 0, 0) == -1) | |
55 | { | |
56 | puts ("init failed"); | |
57 | return 1; | |
58 | } | |
59 | ||
60 | /* Set an alarm for 1 second. The wrapper will expect this. */ | |
61 | alarm (1); | |
62 | ||
63 | int res = sem_wait (&s); | |
64 | if (res == 0) | |
65 | { | |
66 | puts ("wait succeeded"); | |
67 | return 1; | |
68 | } | |
69 | if (res != -1 || errno != EINTR) | |
70 | { | |
71 | puts ("wait didn't fail with EINTR"); | |
72 | return 1; | |
73 | } | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
949ec764 UD |
78 | #define TEST_FUNCTION do_test () |
79 | #include "../test-skeleton.c" |