1 | /* Copyright (C) 2007-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library 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 GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <errno.h> |
19 | #include <pthread.h> |
20 | #include <semaphore.h> |
21 | #include <stdio.h> |
22 | #include <time.h> |
23 | #include <unistd.h> |
24 | #include <sys/time.h> |
25 | |
26 | |
27 | static int |
28 | do_test (void) |
29 | { |
30 | sem_t s; |
31 | if (sem_init (sem: &s, pshared: 0, value: 0) == -1) |
32 | { |
33 | puts (s: "sem_init failed" ); |
34 | return 1; |
35 | } |
36 | |
37 | struct timeval tv; |
38 | if (gettimeofday (tv: &tv, NULL) != 0) |
39 | { |
40 | puts (s: "gettimeofday failed" ); |
41 | return 1; |
42 | } |
43 | |
44 | struct timespec ts; |
45 | TIMEVAL_TO_TIMESPEC (&tv, &ts); |
46 | |
47 | /* Set ts to yesterday. */ |
48 | ts.tv_sec -= 86400; |
49 | |
50 | int type_before; |
51 | if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, oldtype: &type_before) != 0) |
52 | { |
53 | puts (s: "first pthread_setcanceltype failed" ); |
54 | return 1; |
55 | } |
56 | |
57 | errno = 0; |
58 | if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1) |
59 | { |
60 | puts (s: "sem_timedwait succeeded" ); |
61 | return 1; |
62 | } |
63 | if (errno != ETIMEDOUT) |
64 | { |
65 | printf (format: "sem_timedwait return errno = %d instead of ETIMEDOUT\n" , |
66 | errno); |
67 | return 1; |
68 | } |
69 | |
70 | int type_after; |
71 | if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, oldtype: &type_after) != 0) |
72 | { |
73 | puts (s: "second pthread_setcanceltype failed" ); |
74 | return 1; |
75 | } |
76 | if (type_after != PTHREAD_CANCEL_DEFERRED) |
77 | { |
78 | puts (s: "sem_timedwait changed cancellation type" ); |
79 | return 1; |
80 | } |
81 | |
82 | return 0; |
83 | } |
84 | |
85 | #define TEST_FUNCTION do_test () |
86 | #include "../test-skeleton.c" |
87 | |