1 /* -*- mode: C -*- */
2 /*
3 IGraph library.
4 Copyright (C) 2011-2012 Gabor Csardi <csardi.gabor@gmail.com>
5 334 Harvard street, Cambridge MA, 02139 USA
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 2 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, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 02110-1301 USA
21
22 */
23
24 #include <igraph.h>
25 #include <pthread.h>
26
thread_function(void * arg)27 void *thread_function(void *arg) {
28 IGRAPH_FINALLY(igraph_free, NULL);
29 return 0;
30 }
31
main()32 int main() {
33 pthread_t thread_id;
34 void *exit_status;
35
36 /* Skip if igraph is not thread-safe */
37 if (!IGRAPH_THREAD_SAFE) {
38 return 77;
39 }
40
41 /* Run a thread that leaves some junk in the error stack */
42 pthread_create(&thread_id, NULL, thread_function, 0);
43 pthread_join(thread_id, &exit_status);
44
45 /* Check that the error stack is not common */
46 if (!IGRAPH_FINALLY_STACK_EMPTY) {
47 printf("Foobar\n");
48 return 1;
49 }
50
51 return 0;
52 }
53