Structure returned by the semctl call, contains all data of a semaphore.
Source position: ipc.pp line 718
| type TSEMid_ds = record | ||
| sem_perm: TIPC_Perm; | 
 | IPC permissions. | 
| sem_otime: time_t; | 
 | Last operation time. | 
| unused1: culong; | ||
| sem_ctime: time_t; | 
 | Create time. | 
| unused2: culong; | ||
| sem_nsems: culong; | 
 | Number of semaphores. | 
| unused3: culong; | ||
| unused4: culong; | ||
| end; |