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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.base/] [watch_thread_num.c] - Rev 840

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/* This testcase is part of GDB, the GNU debugger.
 
   Copyright 2002, 2003, 2004, 2007, 2008 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
 
static unsigned int shared_var = 1;
 
int main () {
    int res;
    pthread_t threads[NUM];
    void *thread_result;
    long i;
 
    for (i = 0; i < NUM; i++)
      {
        res = pthread_create (&threads[i],
                             NULL,
                             thread_function,
			     (void *) i);
      }
 
    thread_result = thread_function ((void *) i);
 
    exit (EXIT_SUCCESS);
}
 
void *thread_function (void *arg) {
    int my_number = (long) arg;
    /* Don't run forever.  Run just short of it :)  */
    while (shared_var > 0)
      {
        shared_var++;
	usleep (1); /* Loop increment.  */
      }
 
    pthread_exit (NULL);
}
 
 

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