Simular semaforos en C++

[vitro012]

haz intentado con la funcion delay?

#include<time.h>
#include<iostream>
using namespace std;

void delay(int secs) {
for(int i = (time(NULL) + secs); time(NULL) != i; time(NULL));
}

int main()
{
int sec;
cout << "Segundos a pausar?: "; cin >> sec;
delay(sec);
}