PRM_LOCK_MODULE callback function (prminterface.h)

This routine locks a PRM module in memory and prevents it from being updated by the OS runtime.

Syntax

PRM_LOCK_MODULE PrmLockModule;

NTSTATUS PrmLockModule(
  [in] LPGUID HandlerGuid
)
{...}

Parameters

[in] HandlerGuid

Supplies the GUID of the PRM handler whose module needs to be locked.

Return value

This method returns NTSTATUS which contains STATUS_SUCCESS if the call was successful. Otherwise, the method returns an appropriate error code.

Remarks

PRM_LOCK_MODULE is not a system routine that can be called directly by name. This routine is callable only by pointer from the address returned in a PRM_INTERFACE structure. Drivers obtain the address of this routine by calling ExGetPrmInterface.

Requirements

Requirement Value
Minimum supported client Windows 11, version 24H2
Header prminterface.h
IRQL <= HIGH_LEVEL

See also

Windows Kernel-Mode PRM Library