1#define SHMLBA 4096
 2
 3struct shmid_ds {
 4	struct ipc_perm shm_perm;
 5	time_t shm_atime;
 6	time_t shm_dtime;
 7	time_t shm_ctime;
 8	size_t shm_segsz;
 9	pid_t shm_cpid;
10	pid_t shm_lpid;
11	unsigned long shm_nattch;
12	unsigned long __unused[2];
13};
14
15struct shminfo {
16	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
17};
18
19struct shm_info {
20	int __used_ids;
21	unsigned long shm_tot, shm_rss, shm_swp;
22	unsigned long __swap_attempts, __swap_successes;
23};