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1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
88b9d363 | 3 | Copyright 2017-2022 Free Software Foundation, Inc. |
ae20e79a TW |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program 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 | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <pthread.h> | |
19 | ||
20 | static pthread_barrier_t barrier; | |
21 | static int dummy; | |
22 | ||
23 | static void * | |
24 | func1 (void *arg) | |
25 | { | |
26 | pthread_barrier_wait (&barrier); | |
27 | dummy = 1; /* bp1 */ | |
28 | pthread_barrier_wait (&barrier); | |
29 | dummy = 1; | |
30 | pthread_barrier_wait (&barrier); | |
31 | return arg; | |
32 | } | |
33 | ||
34 | static void * | |
35 | func2 (void *arg) | |
36 | { | |
37 | pthread_barrier_wait (&barrier); | |
38 | dummy = 2; | |
39 | pthread_barrier_wait (&barrier); | |
40 | dummy = 2; | |
41 | pthread_barrier_wait (&barrier); /* bp2 */ | |
42 | return arg; | |
43 | } | |
44 | ||
45 | int | |
46 | main (void) | |
47 | { | |
48 | pthread_t thread; | |
49 | ||
50 | pthread_barrier_init (&barrier, NULL, 2); | |
51 | ||
52 | pthread_create (&thread, NULL, func2, NULL); | |
53 | func1 (NULL); | |
54 | ||
55 | pthread_join (thread, NULL); | |
56 | pthread_barrier_destroy (&barrier); | |
57 | return 0; | |
58 | } |