text: #ifndef _I386_SHMBUF_H
  #define _I386_SHMBUF_H
  
  /* 
   * The shmid64_ds structure for i386 architecture.
   * Note extra padding because this structure is passed back and forth
   * between kernel and user space.
   *
   * Pad space is left for:
   * - 64-bit time_t to solve y2038 problem
   * - 2 miscellaneous 32-bit values
   */
  
  struct shmid64_ds {
  	struct ipc64_perm	shm_perm;	/* operation perms */
  	size_t			shm_segsz;	/* size of segment (bytes) */
  	__kernel_time_t		shm_atime;	/* last attach time */
  	unsigned long		__unused1;
  	__kernel_time_t		shm_dtime;	/* last detach time */
  	unsigned long		__unused2;
  	__kernel_time_t		shm_ctime;	/* last change time */
  	unsigned long		__unused3;
  	__kernel_pid_t		shm_cpid;	/* pid of creator */
  	__kernel_pid_t		shm_lpid;	/* pid of last operator */
  	unsigned long		shm_nattch;	/* no. of current attaches */
  	unsigned long		__unused4;
  	unsigned long		__unused5;
  };
  
  struct shminfo64 {
  	unsigned long	shmmax;
  	unsigned long	shmmin;
  	unsigned long	shmmni;
  	unsigned long	shmseg;
  	unsigned long	shmall;
  	unsigned long	__unused1;
  	unsigned long	__unused2;
  	unsigned long	__unused3;
  	unsigned long	__unused4;
  };
  
  #endif /* _I386_SHMBUF_H */
  