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688903eb | 1 | /* Copyright (C) 2003-2018 Free Software Foundation, Inc. |
5e47b76b UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
5e47b76b UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | ||
23 | ||
24 | struct test_s | |
25 | { | |
26 | int a; | |
27 | int b; | |
28 | }; | |
29 | ||
30 | #define INIT_A 1 | |
31 | #define INIT_B 42 | |
32 | /* Deliberately not static. */ | |
33 | __thread struct test_s s __attribute__ ((tls_model ("initial-exec"))) = | |
34 | { | |
35 | .a = INIT_A, | |
36 | .b = INIT_B | |
37 | }; | |
38 | ||
39 | ||
40 | static void * | |
41 | tf (void *arg) | |
42 | { | |
43 | if (s.a != INIT_A || s.b != INIT_B) | |
44 | { | |
45 | puts ("initial value of s in child thread wrong"); | |
46 | exit (1); | |
47 | } | |
48 | ||
49 | ++s.a; | |
50 | ||
51 | return NULL; | |
52 | } | |
53 | ||
54 | ||
55 | int | |
56 | do_test (void) | |
57 | { | |
58 | if (s.a != INIT_A || s.b != INIT_B) | |
59 | { | |
60 | puts ("initial value of s in main thread wrong"); | |
61 | exit (1); | |
62 | } | |
63 | ||
4d1a02ef UD |
64 | pthread_attr_t a; |
65 | ||
66 | if (pthread_attr_init (&a) != 0) | |
67 | { | |
68 | puts ("attr_init failed"); | |
69 | exit (1); | |
70 | } | |
71 | ||
72 | if (pthread_attr_setstacksize (&a, 1 * 1024 * 1024) != 0) | |
73 | { | |
74 | puts ("attr_setstacksize failed"); | |
75 | return 1; | |
76 | } | |
77 | ||
5e47b76b UD |
78 | #define N 10 |
79 | int i; | |
80 | for (i = 0; i < N; ++i) | |
81 | { | |
82 | #define M 10 | |
83 | pthread_t th[M]; | |
84 | int j; | |
85 | for (j = 0; j < M; ++j, ++s.a) | |
4d1a02ef | 86 | if (pthread_create (&th[j], &a, tf, NULL) != 0) |
5e47b76b UD |
87 | { |
88 | puts ("pthread_create failed"); | |
89 | exit (1); | |
90 | } | |
91 | ||
92 | for (j = 0; j < M; ++j) | |
93 | if (pthread_join (th[j], NULL) != 0) | |
94 | { | |
95 | puts ("pthread_join failed"); | |
96 | exit (1); | |
97 | } | |
98 | } | |
99 | ||
4d1a02ef UD |
100 | if (pthread_attr_destroy (&a) != 0) |
101 | { | |
102 | puts ("attr_destroy failed"); | |
103 | exit (1); | |
104 | } | |
105 | ||
5e47b76b UD |
106 | return 0; |
107 | } | |
108 | ||
109 | ||
110 | #define TEST_FUNCTION do_test () | |
111 | #include "../test-skeleton.c" |