1 /* Manythreads test program.
2 Copyright 2004, 2006-2012 Free Software Foundation, Inc.
4 Written by Jeff Johnston <jjohnstn@redhat.com>
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 thread_function (void *arg)
29 int x = * (int *) arg;
31 printf ("Thread <%d> executing\n", x);
37 main (int argc, char **argv)
40 pthread_t threads[256];
44 pthread_attr_init (&attr);
46 #ifdef PTHREAD_STACK_MIN
47 pthread_attr_setstacksize (&attr, 2*PTHREAD_STACK_MIN);
50 /* Create a ton of quick-executing threads, then wait for them to
52 for (i = 0; i < 1000; ++i)
54 for (j = 0; j < 256; ++j)
56 args[j] = i * 1000 + j;
57 pthread_create (&threads[j], &attr, thread_function, &args[j]);
60 for (j = 0; j < 256; ++j)
62 pthread_join (threads[j], NULL);
66 pthread_attr_destroy (&attr);