KeQuerySystemTime

The KeQuerySystemTime routine obtains the current system time.

VOID 
  KeQuerySystemTime(
    OUT PLARGE_INTEGER  CurrentTime
    );

Parameters

CurrentTime

Pointer to the current time on return from KeQuerySystemTime.

Return Value

None

Headers

Declared in wdm.h and ntddk.h. Include wdm.h or ntddk.h.

Comments

System time is a count of 100-nanosecond intervals since January 1, 1601. System time is typically updated approximately every ten milliseconds. This value is computed for the GMT time zone. To adjust this value for the local time zone use ExSystemTimeToLocalTime.

Callers of KeQuerySystemTime can be running at any IRQL.

See Also

ExSystemTimeToLocalTime, KeQueryPerformanceCounter, KeQueryTickCount, KeQueryTimeIncrement