#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
#include "esh-sys-utils.h"


int
main()
{
  int receiver = fork();
  if (receiver ==0) {
     execlp("./receiver", "receiver", NULL);
     printf("Receiver not launched. \n");
     exit(0);
  }

  int sender = fork();
  if (sender==0) {
     char pid_string[10];
     snprintf(pid_string, 10, "%d", receiver);
     execlp("./sender", "sender", pid_string, NULL);
     printf("Sender not launched. \n");
  }
  int status;

  int done1 = wait(&status);
  if (done1 == receiver) printf("Receiver terminated. \n");
  if (done1 == sender)   printf("Sender terminated. \n");

  int done2 = wait(&status);
  if (done2 == receiver) printf("Receiver terminated. \n");
  if (done2 == sender)   printf("Sender terminated. \n");

}