void FindAChair()
{
_ChoosingChair[_Id] = true;
_TicketChair[_Id] = _Id + 1;
_ChoosingChair[_Id] = false;
for (int i = 0; i < 10; i++)
{
if (i == _Id)
{
continue;
}
while (_ChoosingChair[i])
{
DoNothing();
}
while (_TicketChair[i] != 0 && _TicketChair[i] < _TicketChair[_Id])
{
DoNothing();
}
if (_TicketChair[i] == _TicketChair[_Id] && i < _Id)
{
while (_TicketChair[i] != 0)
{
DoNothing();
}
}
}
// critical section
while (!Chair.IsAvailable())
{
DoNothing();
}
Chair.Occupy();
Console.WriteLine(_Id + " found an open chair, there are " + Chair.Available() + " open chairs left.");
_TicketChair[_Id] = 0;
// end
}
void leaveBarberShop()
{
Chair.Leave();
Barber.Leave();
Console.WriteLine(_Id + " has left the barber shop.");
}