KeAreAllApcsDisabled function (wdm.h)
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) |