67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
|
/* This testcase is part of GDB, the GNU debugger.
|
||
|
|
||
|
Copyright 2002, 2003, 2004 Free Software Foundation, Inc.
|
||
|
|
||
|
This program is free software; you can redistribute it and/or modify
|
||
|
it under the terms of the GNU General Public License as published by
|
||
|
the Free Software Foundation; either version 2 of the License, or
|
||
|
(at your option) any later version.
|
||
|
|
||
|
This program is distributed in the hope that it will be useful,
|
||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
GNU General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU General Public License
|
||
|
along with this program; if not, write to the Free Software
|
||
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
Boston, MA 02111-1307, USA.
|
||
|
|
||
|
This file is copied from schedlock.c. */
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <unistd.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <pthread.h>
|
||
|
|
||
|
void *thread_function(void *arg); /* Pointer to function executed by each thread */
|
||
|
|
||
|
#define NUM 5
|
||
|
|
||
|
unsigned int args[NUM+1];
|
||
|
|
||
|
int main() {
|
||
|
int res;
|
||
|
pthread_t threads[NUM];
|
||
|
void *thread_result;
|
||
|
long i;
|
||
|
|
||
|
for (i = 0; i < NUM; i++)
|
||
|
{
|
||
|
args[i] = 1; /* Init value. */
|
||
|
res = pthread_create(&threads[i],
|
||
|
NULL,
|
||
|
thread_function,
|
||
|
(void *) i);
|
||
|
}
|
||
|
|
||
|
args[i] = 1;
|
||
|
thread_function ((void *) i);
|
||
|
|
||
|
exit(EXIT_SUCCESS);
|
||
|
}
|
||
|
|
||
|
void *thread_function(void *arg) {
|
||
|
int my_number = (long) arg;
|
||
|
int *myp = (int *) &args[my_number];
|
||
|
|
||
|
/* Don't run forever. Run just short of it :) */
|
||
|
while (*myp > 0)
|
||
|
{
|
||
|
(*myp) ++; /* Loop increment. */
|
||
|
}
|
||
|
|
||
|
pthread_exit(NULL);
|
||
|
}
|
||
|
|