//------------------------------------------------------------------------
// Filename:
//   alarmclock-main.cpp
// PROGRAM DESCRIPTION
//   The main program that uses a monitor to implement a alarm clock problem.
//------------------------------------------------------------------------

#include <iostream.h>
#include "ThreadClass.h"
#include "alarmclock-Thrd.h"
#include "alarmclock-mon.h"

#define MAX_NUM   20     // max. number of sleeper threads

//------------------------------------------------------------------------
// main() function
//------------------------------------------------------------------------

void main(int argc, char *argv[])
{
     SleeperThread *sleepthread[MAX_NUM];
     int NumberOfThreads;       // total number of threads
     int Iterations;
     int i;


     if (argc != 3) {              // verify user input
          cout << "Usage " << argv[0] << " #-of-Sleeper Threads"
               << " Iterations" << endl;
          exit(0);
     }
     else {
          NumberOfThreads = abs(atoi(argv[1]));
          Iterations      = abs(atoi(argv[2]));
     }

     // create the increment/decrement threads in a random way
     for (i = 0; i < NumberOfThreads; i++) {      // create threads
          sleepthread[i] = new SleeperThread(i + 1, Iterations);
          sleepthread[i]->Begin();
     }

     DriverThread driverthread;
     driverthread.Begin();

     for (i = 0; i < NumberOfThreads; i++)   
          sleepthread[i]->Join();
     Exit();
}