/*-------------------------------------------------------------------*/
/* testforkexit.c                                                    */
/* The fork and _exit system calls.                                  */
/*-------------------------------------------------------------------*/

#include <stdio.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
   int iPid;

   printf("Parent process (%ld)\n", (long)getpid());
   fflush(stdout);

   iPid = fork();
   
   if (iPid == -1)
   {
      perror(argv[0]);
      return 1;
   }

   if (iPid == 0)
   {
      printf("Child process (%ld)\n", (long)getpid());
      fflush(stdout);
      _exit(0);
   }
      
   printf("Parent process (%ld)\n", (long)getpid());
   fflush(stdout);
   
   return 0;
}


/* Sample executions:

$ gcc -o testforkexit testforkexit.c
$ testforkexit
Parent process (456)
Parent process (456)
Child process (457)
$ testforkexit
Parent process (465)
Child process (466)
Parent process (465)
$ 

*/