void arr_cust()
{
create("arr_cust");
line.reserve(); // join the line and wait to be head
vendingMachineRequested.set(); // i am the front of the line
waitVendingMachineOpen.queue(); // wait for an open machine
vendingMachineRequested.clear(); // vending machine is open and im taking it clear for next in line
vendingMachineIsOpen.set(); // tell vending machine that i am about to use it.
line.release(); // i am not the head of the line anymore pass it to next in line.
doneWithMachine.wait(); // I am done after time to use machine is free and im leaving and dying.
// set up shuttle process
}
void manageMachines(){
create("manageMachines");
double B,timeUsingMachine;
while (1) {
vendingMachineRequested.wait();
B = uniform(10,60);
timeUsingMachine = 150 + uniform((B/2),30);
waitVendingMachineOpen.set();
vendingMachineIsOpen.wait();
numberOfMachinesBeingUsed++;
hold(timeUsingMachine);
doneWithMachine.set();
numberOfMachinesBeingUsed--;
}
}
void customer() // arriving customer
{
float t1;
create("cust");
t1 = clock; // record start time
qtbl.note_entry(); // note arrival
f.reserve(); // reserve facility
hold(expntl(SRV_TM)); // service interval
f.release(); // release facility
tbl.record(clock - t1); // record response time
qtbl.note_exit(); // note departure
if(--cnt == 0)
done.set(); // if last customer, set done
}
void stopListening( )
{
mQuit.set( );
}
virtual void stop ( ) { mQuit.set( ); }