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899d9e3a | 1 | /* Manythreads test program. |
7b6bb8da JB |
2 | Copyright 2004, 2006, 2007, 2008, 2009, 2010, 2011 |
3 | Free Software Foundation, Inc. | |
899d9e3a JJ |
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 | |
a9762ec7 | 12 | the Free Software Foundation; either version 3 of the License, or |
899d9e3a | 13 | (at your option) any later version. |
a9762ec7 | 14 | |
899d9e3a JJ |
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. | |
a9762ec7 | 19 | |
899d9e3a | 20 | You should have received a copy of the GNU General Public License |
a9762ec7 | 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
899d9e3a | 22 | |
7339a42e JJ |
23 | #include <pthread.h> |
24 | #include <stdio.h> | |
1e9f977e | 25 | #include <limits.h> |
7339a42e JJ |
26 | |
27 | void * | |
28 | thread_function (void *arg) | |
29 | { | |
5bd2f6e2 | 30 | int x = * (int *) arg; |
7339a42e JJ |
31 | |
32 | printf ("Thread <%d> executing\n", x); | |
33 | ||
34 | return NULL; | |
35 | } | |
36 | ||
37 | int | |
38 | main (int argc, char **argv) | |
39 | { | |
40 | pthread_attr_t attr; | |
41 | pthread_t threads[256]; | |
5bd2f6e2 | 42 | int args[256]; |
7339a42e JJ |
43 | int i, j; |
44 | ||
45 | pthread_attr_init (&attr); | |
17592de3 PA |
46 | |
47 | #ifdef PTHREAD_STACK_MIN | |
0057022f | 48 | pthread_attr_setstacksize (&attr, 2*PTHREAD_STACK_MIN); |
17592de3 | 49 | #endif |
7339a42e JJ |
50 | |
51 | /* Create a ton of quick-executing threads, then wait for them to | |
52 | complete. */ | |
53 | for (i = 0; i < 1000; ++i) | |
54 | { | |
55 | for (j = 0; j < 256; ++j) | |
56 | { | |
5bd2f6e2 DJ |
57 | args[j] = i * 1000 + j; |
58 | pthread_create (&threads[j], &attr, thread_function, &args[j]); | |
7339a42e JJ |
59 | } |
60 | ||
61 | for (j = 0; j < 256; ++j) | |
62 | { | |
63 | pthread_join (threads[j], NULL); | |
64 | } | |
65 | } | |
66 | ||
67 | pthread_attr_destroy (&attr); | |
68 | ||
69 | return 0; | |
70 | } |