CmLockHiveSecurityExclusive

void __fastcall CmLockHiveSecurityExclusive(_EX_PUSH_LOCK *a1){
  ExAcquirePushLockExclusiveEx(a1 + 222, 0i64);
}

Referenced by:

CmpAssignKeySecurity
CmpCreateChild
CmpCreateHiveRootCell
CmpCreateTombstone
CmpSetKeySecurity