| /* Manythreads test program. |
| Copyright 2004, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
| |
| Written by Jeff Johnston <jjohnstn@redhat.com> |
| Contributed by Red Hat |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include <pthread.h> |
| #include <stdio.h> |
| #include <limits.h> |
| |
| void * |
| thread_function (void *arg) |
| { |
| int x = * (int *) arg; |
| |
| printf ("Thread <%d> executing\n", x); |
| |
| return NULL; |
| } |
| |
| int |
| main (int argc, char **argv) |
| { |
| pthread_attr_t attr; |
| pthread_t threads[256]; |
| int args[256]; |
| int i, j; |
| |
| pthread_attr_init (&attr); |
| |
| #ifdef PTHREAD_STACK_MIN |
| pthread_attr_setstacksize (&attr, 2*PTHREAD_STACK_MIN); |
| #endif |
| |
| /* Create a ton of quick-executing threads, then wait for them to |
| complete. */ |
| for (i = 0; i < 1000; ++i) |
| { |
| for (j = 0; j < 256; ++j) |
| { |
| args[j] = i * 1000 + j; |
| pthread_create (&threads[j], &attr, thread_function, &args[j]); |
| } |
| |
| for (j = 0; j < 256; ++j) |
| { |
| pthread_join (threads[j], NULL); |
| } |
| } |
| |
| pthread_attr_destroy (&attr); |
| |
| return 0; |
| } |