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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* Copyright (C) 2003-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
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 <stdio.h>
#include <stdlib.h>
#include <unistd.h>
pthread_barrier_t b;
int seen;
static void *
tf (void *arg)
{
int old;
int r = pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &old);
if (r != 0)
{
puts ("setcancelstate failed");
exit (1);
}
r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("barrier_wait failed");
exit (1);
}
for (int i = 0; i < 10; ++i)
{
struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
}
seen = 1;
pthread_setcancelstate (old, NULL);
struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 };
TEMP_FAILURE_RETRY (nanosleep (&ts, &ts));
exit (1);
}
static int
do_test (void)
{
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier init failed");
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("thread creation failed");
return 1;
}
int r = pthread_barrier_wait (&b);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("barrier_wait failed");
return 1;
}
if (pthread_cancel (th) != 0)
{
puts ("cancel failed");
return 1;
}
void *status;
if (pthread_join (th, &status) != 0)
{
puts ("join failed");
return 1;
}
if (status != PTHREAD_CANCELED)
{
puts ("thread not canceled");
return 1;
}
if (pthread_barrier_destroy (&b) != 0)
{
puts ("barrier_destroy failed");
return 1;
}
if (seen != 1)
{
puts ("thread cancelled when PTHREAD_CANCEL_DISABLED");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
GitWeb