1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2002-2014 Free Software Foundation, Inc.
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.
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.
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/>.
18 This file is based on schedlock.c. */
27 volatile int done = 0;
30 thread_function (void *arg)
32 int my_number = (long) arg;
33 volatile int *myp = (volatile int *) &args[my_number];
35 /* Don't run forever. Run just short of it :) */
36 while (*myp > 0 && !done)
38 (*myp)++; /* set breakpoint here */
42 usleep (100); /* Some time to make sure we don't mask any bad
49 main (int argc, char **argv)
56 threads = malloc (THREADS * sizeof (pthread_t));
57 args = malloc (THREADS * sizeof (unsigned int));
59 for (i = 0; i < THREADS; i++)
61 args[i] = 1; /* Init value. */
62 res = pthread_create (&threads[i],
68 for (i = 0; i < THREADS; i++)
69 pthread_join (threads[i], &thread_result);