1 /* This testcase is part of GDB, the GNU debugger.
2 
3    Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, write to the Free Software
17    Foundation, Inc., 59 Temple Place - Suite 330,
18    Boston, MA 02111-1307, USA.  */
19 
20 #include <stdio.h>
21 #include <unistd.h>
22 #include <stdlib.h>
23 #include <pthread.h>
24 
25 void *thread_function(void *arg); /* Pointer to function executed by each thread */
26 
27 #define NUM 5
28 
29 unsigned int args[NUM+1];
30 
31 int main() {
32     int res;
33     pthread_t threads[NUM];
34     void *thread_result;
35     long i;
36 
37     for (i = 0; i < NUM; i++)
38       {
39 	args[i] = 1;
40 	res = pthread_create(&threads[i],
41 		             NULL,
42 			     thread_function,
43 			     (void *) i);
44       }
45 
46     /* schedlock.exp: last thread start.  */
47     args[i] = 1;
48     thread_function ((void *) i);
49 
50     exit(EXIT_SUCCESS);
51 }
52 
53 void *thread_function(void *arg) {
54     int my_number =  (long) arg;
55     int *myp = (int *) &args[my_number];
56 
57     /* Don't run forever.  Run just short of it :)  */
58     while (*myp > 0)
59       {
60 	/* schedlock.exp: main loop.  */
61 	(*myp) ++;
62       }
63 
64     pthread_exit(NULL);
65 }
66 
67