1struct semid_ds {
2 struct ipc_perm sem_perm;
3 time_t sem_otime;
4 long long __unused1;
5 time_t sem_ctime;
6 long long __unused2;
7 unsigned short sem_nsems;
8 char __sem_nsems_pad[sizeof(long long)-sizeof(short)];
9 long long __unused3;
10 long long __unused4;
11};