KeLeaveCriticalRegion function (ntddk.h)
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) |