Commit | Line | Data |
---|---|---|
b7ea362b PA |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
3 | Copyright 2013-2014 Free Software Foundation, Inc. | |
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 | #include <signal.h> | |
20 | #include <unistd.h> | |
21 | ||
22 | static pthread_t thread_2; | |
23 | sig_atomic_t unlocked; | |
24 | ||
25 | /* The test has three threads, and it's always thread 2 that gets the | |
26 | signal, to avoid spurious passes in case the remote side happens to | |
27 | always pick the first or the last thread in the list as the | |
28 | current/status thread on reconnection. */ | |
29 | ||
30 | static void * | |
31 | start2 (void *arg) | |
32 | { | |
33 | unsigned int count; | |
34 | ||
35 | pthread_kill (thread_2, SIGUSR1); | |
36 | ||
37 | for (count = 1; !unlocked && count != 0; count++) | |
38 | usleep (1); | |
39 | return NULL; | |
40 | } | |
41 | ||
42 | static void * | |
43 | start (void *arg) | |
44 | { | |
45 | pthread_t thread; | |
46 | ||
47 | pthread_create (&thread, NULL, start2, NULL); | |
48 | pthread_join (thread, NULL); | |
49 | return NULL; | |
50 | } | |
51 | ||
52 | void | |
53 | handle (int sig) | |
54 | { | |
55 | unlocked = 1; | |
56 | } | |
57 | ||
58 | int | |
59 | main () | |
60 | { | |
61 | signal (SIGUSR1, handle); | |
62 | ||
63 | pthread_create (&thread_2, NULL, start, NULL); | |
64 | pthread_join (thread_2, NULL); | |
65 | ||
66 | return 0; | |
67 | } |