Update copyright year in most headers.
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.threads / schedlock.c
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1/* This testcase is part of GDB, the GNU debugger.
2
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3 Copyright 2002, 2003, 2004, 2007, 2008, 2009, 2010
4 Free Software Foundation, Inc.
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5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
a9762ec7 8 the Free Software Foundation; either version 3 of the License, or
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9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
a9762ec7 17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
a9640423 18
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19#include <stdio.h>
20#include <unistd.h>
21#include <stdlib.h>
22#include <pthread.h>
23
24void *thread_function(void *arg); /* Pointer to function executed by each thread */
25
18ecae38 26#define NUM 1
0312286c 27
322b3f65 28unsigned int args[NUM+1];
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29
30int main() {
31 int res;
32 pthread_t threads[NUM];
33 void *thread_result;
5dd55bdd 34 long i;
0312286c 35
18ecae38 36 for (i = 1; i <= NUM; i++)
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37 {
38 args[i] = 1;
e2009e98 39 res = pthread_create(&threads[i - 1],
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40 NULL,
41 thread_function,
42 (void *) i);
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43 }
44
45 /* schedlock.exp: last thread start. */
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46 args[0] = 1;
47 thread_function ((void *) 0);
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48
49 exit(EXIT_SUCCESS);
50}
51
52void *thread_function(void *arg) {
5dd55bdd 53 int my_number = (long) arg;
e5b25496 54 int *myp = (int *) &args[my_number];
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55
56 /* Don't run forever. Run just short of it :) */
57 while (*myp > 0)
58 {
59 /* schedlock.exp: main loop. */
60 (*myp) ++;
61 }
62
63 pthread_exit(NULL);
64}
65
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