Commit | Line | Data |
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899d9e3a | 1 | /* Manythreads test program. |
32d0add0 | 2 | Copyright 2004-2015 Free Software Foundation, Inc. |
899d9e3a JJ |
3 | |
4 | Written by Jeff Johnston <jjohnstn@redhat.com> | |
5 | Contributed by Red Hat | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
899d9e3a | 12 | (at your option) any later version. |
a9762ec7 | 13 | |
899d9e3a JJ |
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. | |
a9762ec7 | 18 | |
899d9e3a | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
899d9e3a | 21 | |
7339a42e | 22 | #include <pthread.h> |
e5d98164 | 23 | #ifdef DEBUG |
7339a42e | 24 | #include <stdio.h> |
e5d98164 | 25 | #endif |
1e9f977e | 26 | #include <limits.h> |
7339a42e JJ |
27 | |
28 | void * | |
29 | thread_function (void *arg) | |
30 | { | |
5bd2f6e2 | 31 | int x = * (int *) arg; |
7339a42e | 32 | |
e5d98164 | 33 | #ifdef DEBUG |
7339a42e | 34 | printf ("Thread <%d> executing\n", x); |
e5d98164 | 35 | #endif /* DEBUG */ |
7339a42e JJ |
36 | |
37 | return NULL; | |
38 | } | |
39 | ||
40 | int | |
41 | main (int argc, char **argv) | |
42 | { | |
43 | pthread_attr_t attr; | |
44 | pthread_t threads[256]; | |
5bd2f6e2 | 45 | int args[256]; |
7339a42e JJ |
46 | int i, j; |
47 | ||
48 | pthread_attr_init (&attr); | |
17592de3 PA |
49 | |
50 | #ifdef PTHREAD_STACK_MIN | |
0057022f | 51 | pthread_attr_setstacksize (&attr, 2*PTHREAD_STACK_MIN); |
17592de3 | 52 | #endif |
7339a42e JJ |
53 | |
54 | /* Create a ton of quick-executing threads, then wait for them to | |
55 | complete. */ | |
56 | for (i = 0; i < 1000; ++i) | |
57 | { | |
58 | for (j = 0; j < 256; ++j) | |
59 | { | |
5bd2f6e2 DJ |
60 | args[j] = i * 1000 + j; |
61 | pthread_create (&threads[j], &attr, thread_function, &args[j]); | |
7339a42e JJ |
62 | } |
63 | ||
64 | for (j = 0; j < 256; ++j) | |
65 | { | |
66 | pthread_join (threads[j], NULL); | |
67 | } | |
68 | } | |
69 | ||
70 | pthread_attr_destroy (&attr); | |
71 | ||
72 | return 0; | |
73 | } |