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PoUnregisterSystemState function (ntifs.h)

  • Article

The PoUnregisterSystemState routine cancels a system state registration created by PoRegisterSystemState.

Syntax

void PoUnregisterSystemState(
  [in, out] PVOID StateHandle
);

Parameters

[in, out] StateHandle

A pointer to a handle previously returned by PoRegisterSystemState.

Return value

None

Remarks

This routine cancels a system busy state registration established by PoRegisterSystemState and frees the associated StateHandle.

Requirements

Requirement Value
Minimum supported client Windows 2000.
Target Platform Universal
Header ntifs.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL <=APC_LEVEL

See also

PoRegisterSystemState