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899d9e3a JJ |
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 | ||
7339a42e JJ |
25 | #include <pthread.h> |
26 | #include <stdio.h> | |
1e9f977e | 27 | #include <limits.h> |
7339a42e JJ |
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); | |
1e9f977e | 47 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN); |
7339a42e JJ |
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 | } |