INT8 __fastcall ExNotifyBootDeviceRemoval(INT64 a1){
if( *(_DWORD *)a1 != 1347306562 )
return 0;
if( _InterlockedIncrement((volatile signed __int32 *)(a1 + 4)) == 1
&& _InterlockedIncrement(&ExNumMissingBootDevices) == 1 )
{
KeSetEvent((PRKEVENT)&ExBootDevicesRemovedEvent, 0, 0);
}
return 1;
}