Semaphores and concurrent programming

Question

For a homework assignment i need to program the following scenario. This is going to be done using semaphores using BACI (which is C--)

There are 2 unisex restrooms

Answer 1

Here is what I have. This allows 1 person in the restroom at a time without deadlock or starvation. I'm in need of assistance with how to make it so 4 people can be in the restroom at a time.

const int Delayx = 60;
int i;
semaphore max_capacity;
semaphore woman;
semaphore man;
semaphore mutex;

void Delay(void)
{
    int DelayTime;
    DelayTime = random(Delayx);
    for (i = 0; i