| 1 | /* Manythreads test program. |
| 2 | Copyright 2004 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | Written by Jeff Johnston <jjohnstn@redhat.com> |
| 6 | Contributed by Red Hat |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 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 2 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 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. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program; if not, write to the Free Software |
| 22 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 23 | Boston, MA 02111-1307, USA. */ |
| 24 | |
| 25 | #include <pthread.h> |
| 26 | #include <stdio.h> |
| 27 | #include <limits.h> |
| 28 | |
| 29 | void * |
| 30 | thread_function (void *arg) |
| 31 | { |
| 32 | int x = (int)arg; |
| 33 | |
| 34 | printf ("Thread <%d> executing\n", x); |
| 35 | |
| 36 | return NULL; |
| 37 | } |
| 38 | |
| 39 | int |
| 40 | main (int argc, char **argv) |
| 41 | { |
| 42 | pthread_attr_t attr; |
| 43 | pthread_t threads[256]; |
| 44 | int i, j; |
| 45 | |
| 46 | pthread_attr_init (&attr); |
| 47 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN); |
| 48 | |
| 49 | /* Create a ton of quick-executing threads, then wait for them to |
| 50 | complete. */ |
| 51 | for (i = 0; i < 1000; ++i) |
| 52 | { |
| 53 | for (j = 0; j < 256; ++j) |
| 54 | { |
| 55 | pthread_create (&threads[j], &attr, thread_function, |
| 56 | (void *)(i * 1000 + j)); |
| 57 | } |
| 58 | |
| 59 | for (j = 0; j < 256; ++j) |
| 60 | { |
| 61 | pthread_join (threads[j], NULL); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | pthread_attr_destroy (&attr); |
| 66 | |
| 67 | return 0; |
| 68 | } |