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 __pad1;
13    unsigned long __pad2;
14};
15
16struct shminfo {
17    unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
18};
19
20struct shm_info {
21    int __used_ids;
22    unsigned long shm_tot, shm_rss, shm_swp;
23    unsigned long __swap_attempts, __swap_successes;
24};
25