Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The KeAreAllApcsDisabled routine indicates whether the calling thread is inside a guarded region or running at IRQL >= APC_LEVEL, which disables all APC delivery.
Syntax
BOOLEAN KeAreAllApcsDisabled();
Return value
KeAreAllApcsDisabled returns TRUE if the calling thread is inside a guarded region or running at IRQL >= APC_LEVEL, and FALSE otherwise.
Remarks
A thread inside a guarded region or running at IRQL >= APC_LEVEL has all APCs disabled, including special kernel APCs.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Server 2003 and later versions of Windows. |
| Target Platform | Universal |
| Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | <= DISPATCH_LEVEL |
| DDI compliance rules | HwStorPortProhibitedDDIs(storport) |