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
|
/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@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 <pthread.h>
#include <stdio.h>
#include <stdlib.h>
struct test_s
{
int a;
int b;
};
#define INIT_A 1
#define INIT_B 42
/* Deliberately not static. */
__thread struct test_s s __attribute__ ((tls_model ("initial-exec"))) =
{
.a = INIT_A,
.b = INIT_B
};
static void *
tf (void *arg)
{
if (s.a != INIT_A || s.b != INIT_B)
{
puts ("initial value of s in child thread wrong");
exit (1);
}
++s.a;
return NULL;
}
int
do_test (void)
{
if (s.a != INIT_A || s.b != INIT_B)
{
puts ("initial value of s in main thread wrong");
exit (1);
}
pthread_attr_t a;
if (pthread_attr_init (&a) != 0)
{
puts ("attr_init failed");
exit (1);
}
if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0)
{
puts ("attr_setstacksize failed");
return 1;
}
#define N 10
int i;
for (i = 0; i < N; ++i)
{
#define M 10
pthread_t th[M];
int j;
for (j = 0; j < M; ++j, ++s.a)
if (pthread_create (&th[j], &a, tf, NULL) != 0)
{
puts ("pthread_create failed");
exit (1);
}
for (j = 0; j < M; ++j)
if (pthread_join (th[j], NULL) != 0)
{
puts ("pthread_join failed");
exit (1);
}
}
if (pthread_attr_destroy (&a) != 0)
{
puts ("attr_destroy failed");
exit (1);
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
