#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>
#include "restart.h"

int main(int argc, char *argv[]) {
   pid_t childpid;
   int i, n;

   if (argc != 2) {
      fprintf(stderr, "Usage: %s n\n", argv[0]);
      return 1;
   }
   n = atoi(argv[1]);
   for (i = 1; i < n; i++)
      if ((childpid = fork()) <= 0)
         break;

   while(r_wait(NULL) > 0) ;    /* wait for all of your children */ 
   fprintf(stderr, "i:%d  process ID:%ld  parent ID:%ld  child ID:%ld\n",
           i, (long)getpid(), (long)getppid(), (long)childpid);
   return 0;
}