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
|
/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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
<https://www.gnu.org/licenses/>. */
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <unistd.h>
static int fd[2];
static void *
tf (void *arg)
{
/* The buffer size must be larger than the pipe size so that the
write blocks. */
char buf[100000];
while (write (fd[1], buf, sizeof (buf)) > 0);
return (void *) 42l;
}
static int
do_test (void)
{
pthread_t th;
void *r;
struct sigaction sa;
sa.sa_handler = SIG_IGN;
sigemptyset (&sa.sa_mask);
sa.sa_flags = 0;
if (sigaction (SIGPIPE, &sa, NULL) != 0)
{
puts ("sigaction failed");
return 1;
}
if (pipe (fd) != 0)
{
puts ("pipe failed");
return 1;
}
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("create failed");
return 1;
}
if (pthread_cancel (th) != 0)
{
puts ("cancel failed");
return 1;
}
/* This will cause the write in the child to return. */
close (fd[0]);
if (pthread_join (th, &r) != 0)
{
puts ("join failed");
return 1;
}
if (r != PTHREAD_CANCELED)
{
printf ("result is wrong: expected %p, got %p\n", PTHREAD_CANCELED, r);
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
