// ks.h

typedef struct {
  PFNKSCLOCK_GETTIME        GetTime;
  PFNKSCLOCK_GETTIME        GetPhysicalTime;
  PFNKSCLOCK_CORRELATEDTIME GetCorrelatedTime;
  PFNKSCLOCK_CORRELATEDTIME GetCorrelatedPhysicalTime;
} KSCLOCK_FUNCTIONTABLE, *PKSCLOCK_FUNCTIONTABLE;
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Windows Driver Kit DDI reference (ns-ks-ksclock_functiontable)

KSCLOCK_FUNCTIONTABLE structure

Description

The KSCLOCK_FUNCTIONTABLE structure describes a function table for the master clock.

Members

`GetTime`

Pointer to a driver-allocated KStrClockGetTime routine.

`GetPhysicalTime`

Pointer to a driver-allocated KStrClockGetPhysicalTime routine.

`GetCorrelatedTime`

Pointer to a driver-allocated KStrClockGetCorrelatedTime routine.

`GetCorrelatedPhysicalTime`

Pointer to a driver-allocated KStrClockGetCorrelatedPhysicalTime routine.

Remarks

Supply this structure in a KSPROPERTY_CLOCK_FUNCTIONTABLE request. The property request then returns pointers to the requested routines.

The function pointers returned in this structure are valid until the clock's file object is released.

KSCLOCK_FUNCTIONTABLE - NtDoc