1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <semaphore.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
static int
do_test (void)
{
sem_t s;
if (sem_init (&s, 0, 0) == -1)
{
puts ("sem_init failed");
return 1;
}
struct timeval tv;
if (gettimeofday (&tv, NULL) != 0)
{
puts ("gettimeofday failed");
return 1;
}
struct timespec ts;
TIMEVAL_TO_TIMESPEC (&tv, &ts);
/* Set ts to yesterday. */
ts.tv_sec -= 86400;
int type_before;
if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_before) != 0)
{
puts ("first pthread_setcanceltype failed");
return 1;
}
errno = 0;
if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1)
{
puts ("sem_timedwait succeeded");
return 1;
}
if (errno != ETIMEDOUT)
{
printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n",
errno);
return 1;
}
int type_after;
if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_after) != 0)
{
puts ("second pthread_setcanceltype failed");
return 1;
}
if (type_after != PTHREAD_CANCEL_DEFERRED)
{
puts ("sem_timedwait changed cancellation type");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
