signed __int64 __fastcall sub_1405D2184(volatile signed __int64 *a1){ signed __int64 v1; v1 = 0i64; if( a1 ) { v1 = _InterlockedDecrement64(a1); if( !v1 ) WbFreeWarbirdEncryptionSegment((PVOID)a1); } return v1; }