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The IoSetIoPriorityHint routine sets the priority hint value for an IRP.
Syntax
NTSTATUS IoSetIoPriorityHint(
[in] PIRP Irp,
[in] IO_PRIORITY_HINT PriorityHint
);
Parameters
[in] Irp
Specifies the IRP to set the priority hint value for.
[in] PriorityHint
Specifies the IO_PRIORITY_HINT value that indicates the new priority hint.
Return value
IoSetIoPriorityHint returns STATUS_SUCCESS if the operation succeeds and the appropriate NTSTATUS value if the operation fails.
Remarks
For more information about priority hints, see Using IRP Priority Hints.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Vista 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 | Any level |