VOID
KeClearEvent(
IN PKEVENT Event
);
KeClearEvent sets the given event to the Not-Signaled state.
The state of Event is set to Not-Signaled, meaning its value is set to zero.
For better performance, use KeClearEvent unless the caller uses the value returned by KeResetEvent to determine what to do next.
Callers of KeClearEvent must be running at IRQL <= DISPATCH_LEVEL.
KeInitializeEvent, KeReadStateEvent, KeResetEvent, KeSetEvent