void __fastcall PiUEventNotifyClientPendingEvent(__int64 a1){ ExAcquireFastMutex(*(FAST_MUTEX **)(a1 + 16)); PiUEventEstimateRequiredClientBufferSize(a1); KeReleaseGuardedMutex(*(_FAST_MUTEX **)(a1 + 16)); ZwUpdateWnfStateData(); }