1#define SHMLBA 4096
 2
 3struct shmid_ds {
 4	struct ipc_perm shm_perm;
 5	size_t shm_segsz;
 6	time_t shm_atime;
 7	time_t shm_dtime;
 8	time_t shm_ctime;
 9	pid_t shm_cpid;
10	pid_t shm_lpid;
11	unsigned long shm_nattch;
12	unsigned long __pad0;
13	unsigned long long __pad1;
14	unsigned long long __pad2;
15};
16
17struct shminfo {
18	unsigned long shmmax, __pad0, shmmin, __pad1, shmmni, __pad2,
19	              shmseg, __pad3, shmall, __pad4;
20	unsigned long long __unused[4];
21};
22
23struct shm_info {
24	int __used_ids;
25	int __pad_ids;
26	unsigned long shm_tot, __pad0, shm_rss, __pad1, shm_swp, __pad2;
27	unsigned long __swap_attempts, __pad3, __swap_successes, __pad4;
28}
29#ifdef __GNUC__
30__attribute__((__aligned__(8)))
31#endif
32;