1 /* Analogous to kernel struct shmid64_ds used on shmctl.  */
2 struct kernel_shmid64_ds
3 {
4   struct ipc_perm shm_perm;		/* operation permission struct */
5   unsigned long int shm_atime_high;
6   unsigned long int shm_atime;		/* time of last shmat() */
7   unsigned long int shm_dtime_high;
8   unsigned long int shm_dtime;		/* time of last shmdt() */
9   unsigned long int shm_ctime_high;
10   unsigned long int shm_ctime;		/* time of last change by shmctl() */
11   unsigned long int __pad;
12   size_t shm_segsz;			/* size of segment in bytes */
13   __pid_t shm_cpid;			/* pid of creator */
14   __pid_t shm_lpid;			/* pid of last shmop */
15   shmatt_t shm_nattch;		/* number of current attaches */
16   unsigned long int __unused1;
17   unsigned long int __unused2;
18 };
19