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52834460 MM |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
e2882c85 | 3 | Copyright 2013-2018 Free Software Foundation, Inc. |
52834460 MM |
4 | |
5 | Contributed by Intel Corp. <markus.t.metzger@intel.com> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <pthread.h> | |
21 | ||
22 | static pthread_barrier_t barrier; | |
23 | static int global; | |
24 | ||
25 | static void * | |
26 | test (void *arg) | |
27 | { | |
28 | pthread_barrier_wait (&barrier); | |
29 | ||
30 | global = 42; /* bp.1 */ | |
31 | ||
32 | pthread_barrier_wait (&barrier); | |
33 | ||
34 | global = 42; /* bp.2 */ | |
35 | ||
36 | return arg; | |
37 | } | |
38 | ||
39 | int | |
40 | main (void) | |
41 | { | |
42 | pthread_t th; | |
43 | ||
44 | pthread_barrier_init (&barrier, NULL, 2); | |
45 | pthread_create (&th, NULL, test, NULL); | |
46 | ||
47 | test (NULL); | |
48 | ||
49 | pthread_join (th, NULL); | |
50 | pthread_barrier_destroy (&barrier); | |
51 | ||
52 | return 0; /* bp.3 */ | |
53 | } |