Commit | Line | Data |
---|---|---|
8b923272 JB |
1 | /* A small multi-threaded test case. |
2 | ||
ecd75fc8 | 3 | Copyright 2004-2014 Free Software Foundation, Inc. |
8b923272 JB |
4 | |
5 | This file is part of GDB. | |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
8b923272 JB |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
8b923272 JB |
19 | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <time.h> | |
23 | ||
24 | void | |
25 | cond_wait (pthread_cond_t *cond, pthread_mutex_t *mut) | |
26 | { | |
27 | pthread_mutex_lock(mut); | |
28 | pthread_cond_wait (cond, mut); | |
29 | pthread_mutex_unlock (mut); | |
30 | } | |
31 | ||
32 | void | |
33 | noreturn (void) | |
34 | { | |
35 | pthread_mutex_t mut; | |
36 | pthread_cond_t cond; | |
37 | ||
38 | pthread_mutex_init (&mut, NULL); | |
39 | pthread_cond_init (&cond, NULL); | |
40 | ||
41 | /* Wait for a condition that will never be signaled, so we effectively | |
42 | block the thread here. */ | |
43 | cond_wait (&cond, &mut); | |
44 | } | |
45 | ||
46 | void * | |
47 | forever_pthread (void *unused) | |
48 | { | |
49 | noreturn (); | |
50 | } | |
51 | ||
52 | void | |
53 | break_me (void) | |
54 | { | |
55 | /* Just an anchor to help putting a breakpoint. */ | |
56 | } | |
57 | ||
58 | int | |
59 | main (void) | |
60 | { | |
61 | pthread_t forever; | |
8b923272 JB |
62 | |
63 | pthread_create (&forever, NULL, forever_pthread, NULL); | |
64 | for (;;) | |
65 | { | |
420f4384 | 66 | sleep (2); |
8b923272 JB |
67 | break_me(); |
68 | } | |
69 | ||
70 | return 0; | |
71 | } | |
72 |