//=====================================================
// Matt Kretchmar
// A first attempt at reaping zombie children.
// Problem: parent blocks until child has returned.
//=====================================================

#include <unistd.h>      /* symbolic constants */
#include <sys/types.h>   /* system data types */
#include <errno.h>       /* Errors */
#include <stdio.h>       /* Input/Output */
#include <sys/wait.h>    /* Wait for Process Termination */
#include <stdlib.h>      /* General Utilities */

int main ( int argc, char *argv[] )
{
   pid_t  pid;          /* variable to hold process id */
   int i;
   int n = 1;

   for (i = 0; i < n; i++ )
   {   
      pid = fork();
      if ( pid == 0 )
      {
         printf("%d child spawned\n",pid);
         sleep(1);
         exit(1);
      }
   }


   int status;
   while ( (pid = waitpid(-1,&status,0)) > 0 )
   {
      printf("Parent waited for %d (status=%d)\n",pid,status);
   }
   return 0;
}