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KzRaiseIrql function (wdm.h)

  • Article

Raises the hardware priority to the specified IRQL value, thereby masking off interrupts of equivalent or lower IRQL on the current processor. For information about IRQLs, see Managing Hardware Priorities.

Syntax

KIRQL KzRaiseIrql(
  [in] KIRQL NewIrql
);

Parameters

[in] NewIrql

Specifies the new IRQL to which the hardware priority is to be raised.

Return value

The original (unraised) IRQL value to be used in a subsequent call to KzLowerIrql.

Remarks

This function is same as the KeRaiseIrql function.

Requirements

Requirement Value
Minimum supported client Windows 10, version 1809.
Header wdm.h
Library NtosKrnl.lib
IRQL HIGH_LEVEL