Record used in the shmctl call to set or retrieve settings for shared memory.
Source position: ipc.pp line 291
| type TShmid_ds = record | ||
| shm_perm: TIPC_Perm; | 
 | Permissions. | 
| shm_segsz: size_t; | 
 | Segment size. | 
| shm_atime: time_t; | 
 | Last access time. | 
| shm_dtime: time_t; | 
 | Last detach time. | 
| shm_ctime: time_t; | 
 | Create time. | 
| shm_cpid: pid_t; | 
 | Creator PID. | 
| shm_lpid: pid_t; | 
 | Last operation PID. | 
| shm_nattch: culong; | 
 | Number of attachments. | 
| __unused4: culong; | 
 | Size padding element. | 
| __unused5: culong; | 
 | Size padding element. | 
| end; |