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KeLeaveCriticalRegion function (ntddk.h)

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The KeLeaveCriticalRegion routine reenables the delivery of normal kernel-mode APCs that were disabled by a preceding call to KeEnterCriticalRegion.

Syntax

void KeLeaveCriticalRegion();

Return value

None

Remarks

Highest-level drivers can call this routine while running in the context of the thread that requested the current I/O operation.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 2000.
Target Platform Universal
Header ntddk.h (include Wdm.h, Ntddk.h, Ntifs.h)
Library NtosKrnl.lib
DLL NtosKrnl.exe
IRQL <= APC_LEVEL
DDI compliance rules CriticalRegions(wdm), HwStorPortProhibitedDDIs(storport), IrqlKeApcLte2(wdm), WithinCriticalRegion(storport), WithinCriticalRegion(storport), WithinCriticalRegion(wdm)

See also

KeAreApcsDisabled

KeEnterCriticalRegion