1 /* Manythreads test program.
2 Copyright 2004, 2006, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
5 Written by Jeff Johnston <jjohnstn@redhat.com>
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
28 thread_function (void *arg)
30 int x = * (int *) arg;
32 printf ("Thread <%d> executing\n", x);
38 main (int argc, char **argv)
41 pthread_t threads[256];
45 pthread_attr_init (&attr);
47 #ifdef PTHREAD_STACK_MIN
48 pthread_attr_setstacksize (&attr, 2*PTHREAD_STACK_MIN);
51 /* Create a ton of quick-executing threads, then wait for them to
53 for (i = 0; i < 1000; ++i)
55 for (j = 0; j < 256; ++j)
57 args[j] = i * 1000 + j;
58 pthread_create (&threads[j], &attr, thread_function, &args[j]);
61 for (j = 0; j < 256; ++j)
63 pthread_join (threads[j], NULL);
67 pthread_attr_destroy (&attr);