IWDFDeviceInitialize::SetLockingConstraint method

[Warning: UMDF 2 is the latest version of UMDF and supersedes UMDF 1. All new UMDF drivers should be written using UMDF 2. No new features are being added to UMDF 1 and there is limited support for UMDF 1 on newer versions of Windows 10. Universal Windows drivers must use UMDF 2. For more info, see Getting Started with UMDF.]

The SetLockingConstraint method sets the synchronization (or locking) model for callback functions into the driver.

Syntax


void SetLockingConstraint(
  [in] WDF_CALLBACK_CONSTRAINT LockType
);

Parameters

LockType [in]

A value of type WDF_CALLBACK_CONSTRAINT that identifies the locking model.

Return value

This method does not return a value.

Remarks

The default value of the LockType parameter is WdfDeviceLevel, which is currently the only supported value.

Examples

For a code example of how to use the SetLockingConstraint method, see IWDFDriver::CreateDevice.

Requirements

Target platform

Desktop

End of support

Unavailable in UMDF 2.0 and later.

Minimum UMDF version

1.5

Header

Wudfddi.h (include Wudfddi.h)

DLL

WUDFx.dll

See also

IWDFDeviceInitialize
IWDFDriver::CreateDevice

 

 

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