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e76126e8 PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
32d0add0 | 3 | Copyright 2014-2015 Free Software Foundation, Inc. |
e76126e8 PA |
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 | #ifdef USE_THREADS | |
19 | ||
20 | #include <unistd.h> | |
21 | #include <pthread.h> | |
22 | ||
23 | #define NUM 5 | |
24 | ||
25 | pthread_barrier_t barrier; | |
26 | ||
27 | void * | |
28 | thread_function (void *arg) | |
29 | { | |
30 | volatile unsigned int counter = 1; | |
31 | ||
32 | pthread_barrier_wait (&barrier); | |
33 | ||
34 | while (counter > 0) | |
35 | { | |
36 | counter++; | |
37 | usleep (1); | |
38 | } | |
39 | ||
40 | pthread_exit (NULL); | |
41 | } | |
42 | ||
43 | #endif /* USE_THREADS */ | |
44 | ||
45 | void | |
46 | setup (void) | |
47 | { | |
48 | #ifdef USE_THREADS | |
49 | pthread_t threads[NUM]; | |
50 | int i; | |
51 | ||
52 | pthread_barrier_init (&barrier, NULL, NUM + 1); | |
53 | for (i = 0; i < NUM; i++) | |
54 | pthread_create (&threads[i], NULL, thread_function, NULL); | |
55 | pthread_barrier_wait (&barrier); | |
56 | #endif /* USE_THREADS */ | |
57 | } | |
58 | ||
59 | int | |
60 | main (void) | |
61 | { | |
62 | setup (); | |
63 | return 0; /* set break here */ | |
64 | } |