#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "semaphor.h"

void sectionCritique(int);

int sem;


int main (int argc, char * argv[]){
    sem=ouvrirsem(123);
    initsem(sem,2);



    if (fork() == 0){

        sectionCritique(1);

    }

    if (fork() == 0){

        sectionCritique(2);

    }

    if (fork() == 0){

        sectionCritique(3);

    }

    if (fork() == 0){

        sectionCritique(4);

    }
    wait(0);
    supsem(sem);
    return 0;
}

void sectionCritique(int nb){
down(sem);
  printf("%d\n", nb);
//write(1, "prout", 2);
//fprintf(stdout, "%s", "A");
//fflush(stdout);
  up(sem);
}