/*
 * Create a shared memory segment of 512 bytes
 * New File Mar 22,1989
 * Author   Jerry LeVan
 *
 */
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <errno.h>

#define SIZE	512		/* shared memory buffer size */
#define PERM	0666	/* all can read write */
#define KEY		'JHL '	/* our key */

main()
{
  int id;

  id = shmget(KEY,SIZE,IPC_CREAT|IPC_EXCL|PERM);
  printf("status of create = %d\n",id);
  if(id == -1) perror("Bad Create");
 }