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70509625 PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
42a4f53d | 3 | Copyright 2014-2019 Free Software Foundation, Inc. |
70509625 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 | #include <stdio.h> | |
19 | #include <unistd.h> | |
20 | #include <stdlib.h> | |
21 | #include <pthread.h> | |
22 | #include <signal.h> | |
23 | ||
24 | pthread_barrier_t barrier; | |
25 | ||
26 | void | |
27 | handler (int sig) | |
28 | { | |
29 | } | |
30 | ||
31 | void * | |
32 | thread_function (void *arg) | |
33 | { | |
34 | pthread_barrier_wait (&barrier); | |
35 | ||
36 | while (1) | |
37 | usleep (1); | |
38 | } | |
39 | ||
40 | int | |
41 | main (void) | |
42 | { | |
43 | pthread_t child_thread[2]; | |
44 | int i; | |
45 | ||
46 | signal (SIGUSR1, handler); | |
47 | ||
48 | pthread_barrier_init (&barrier, NULL, 3); | |
49 | ||
50 | for (i = 0; i < 2; i++) | |
51 | pthread_create (&child_thread[i], NULL, thread_function, NULL); | |
52 | ||
53 | pthread_barrier_wait (&barrier); | |
54 | ||
55 | pthread_kill (child_thread[0], SIGUSR1); | |
56 | ||
57 | for (i = 0; i < 2; i++) | |
58 | pthread_join (child_thread[i], NULL); | |
59 | ||
60 | return 0; | |
61 | } |