blob: 05bf5e4faa1c30354fda00becc13d201bfba1940 (
plain)
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
|
/* Copyright (C) 2002-2020 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 <stdio.h>
#include <stdlib.h>
static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
static void *
tf (void *arg)
{
pthread_t mh = (pthread_t) arg;
void *result;
if (pthread_mutex_unlock (&lock) != 0)
{
puts ("unlock failed");
exit (1);
}
if (pthread_join (mh, &result) != 0)
{
puts ("join failed");
exit (1);
}
if (result != (void *) 42l)
{
printf ("result wrong: expected %p, got %p\n", (void *) 42, result);
exit (1);
}
exit (0);
}
static int
do_test (void)
{
pthread_t th;
if (pthread_mutex_lock (&lock) != 0)
{
puts ("1st lock failed");
exit (1);
}
if (pthread_create (&th, NULL, tf, (void *) pthread_self ()) != 0)
{
puts ("create failed");
exit (1);
}
if (pthread_mutex_lock (&lock) != 0)
{
puts ("2nd lock failed");
exit (1);
}
pthread_exit ((void *) 42);
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
