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_atime_hi;
 8	unsigned long __shm_dtime_lo;
 9	unsigned long __shm_dtime_hi;
10	unsigned long __shm_ctime_lo;
11	unsigned long __shm_ctime_hi;
12	pid_t shm_cpid;
13	pid_t shm_lpid;
14	unsigned long shm_nattch;
15	unsigned long __pad1;
16	unsigned long __pad2;
17	unsigned long __pad3;
18	time_t shm_atime;
19	time_t shm_dtime;
20	time_t shm_ctime;
21};
22
23struct shminfo {
24	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
25};
26
27struct shm_info {
28	int __used_ids;
29	unsigned long shm_tot, shm_rss, shm_swp;
30	unsigned long __swap_attempts, __swap_successes;
31};