1#define SHMLBA 4096
 2
 3struct shmid_ds {
 4	struct ipc_perm shm_perm;
 5	size_t shm_segsz;
 6	unsigned long __shm_atime_lo;
 7	unsigned long __shm_dtime_lo;
 8	unsigned long __shm_ctime_lo;
 9	pid_t shm_cpid;
10	pid_t shm_lpid;
11	unsigned long shm_nattch;
12	unsigned short __shm_atime_hi;
13	unsigned short __shm_dtime_hi;
14	unsigned short __shm_ctime_hi;
15	unsigned short __pad1;
16	time_t shm_atime;
17	time_t shm_dtime;
18	time_t shm_ctime;
19};
20
21struct shminfo {
22	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
23};
24
25struct shm_info {
26	int __used_ids;
27	unsigned long shm_tot, shm_rss, shm_swp;
28	unsigned long __swap_attempts, __swap_successes;
29};