/*
 *  Copyright (C) 2004 Aleksandar Colovic
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */
 
#include <pthread.h>
#include <iostream>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <stdlib.h>
#include <signal.h>

using namespace std;

void* doWork(void* pArg)
{
  for (int i = 0; i < 4; ++i)
  {
    cout << "Worker thread doing the job!" << endl;
    sleep(1);
  }
  return 0;
}

int main (int argc, char* const argv[])
{
  pthread_t hThread;
  pthread_create(&hThread, 0, &doWork, 0);
  sleep(2);
  cout << "Main thread sending SIGSTOP to worker thread!" << endl;
  pthread_kill(hThread, SIGSTOP);
  
  for (int i = 0; i < 2; ++i)
  {
    cout << "Main thread doing the job!" << endl;
    sleep(1);
  }
  
  cout << "Main thread sending SIGCONT to worker thread!" << endl;
  pthread_kill(hThread, SIGCONT);
  pthread_join(hThread, 0);
  return 0;
};