//created by Dr. Ramsey on 10/25

#include "semaphore.h"
#include "fcntl.h"
#include <iostream>
using namespace std;



int main() {


  char *name ="rams";

  //open a named semaphore and create if it wasn't created
  //0644 describes the permissions
  //1 is the initial value of the semaphore
  sem_t *sem = sem_open(name,O_CREAT, 0644, 1);

  sem_post(sem); //the usual add 1 
  sem_wait(sem); //the usual wait until we can subtract 1

  sem_close(sem); //disconnect this process from the semaphore


  //get rid of this semaphore
  sem_unlink(name); //will destroy if all are closed




}