#include <fxrequestcallbacks.hpp>

Inheritance diagram for FxRequestCancelCallback:

Collaboration diagram for FxRequestCancelCallback:

Public Member Functions
	FxRequestCancelCallback (VOID)

void	InvokeCancel (__in FxCallbackLock *Lock, __in WDFREQUEST Request)

Public Member Functions inherited from FxCallback
	FxCallback (__in_opt PFX_DRIVER_GLOBALS FxDriverGlobals=NULL)

PVOID	operator new (__in size_t Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals, __in POOL_TYPE PoolType=NonPagedPool)

VOID	operator delete (__in PVOID pointer)

Public Attributes
PFN_WDF_REQUEST_CANCEL	m_Cancel

Additional Inherited Members
Protected Member Functions inherited from FxCallback
void __inline	CallbackStart (VOID)

void __inline	CallbackEnd (VOID)

Detailed Description

Definition at line 33 of file fxrequestcallbacks.hpp.

Constructor & Destructor Documentation

◆ FxRequestCancelCallback()

FxRequestCancelCallback::FxRequestCancelCallback ( VOID )

inline

Definition at line 38 of file fxrequestcallbacks.hpp.

    {
        m_Cancel = NULL;
    }

Member Function Documentation

◆ InvokeCancel()

void FxRequestCancelCallback::InvokeCancel	(	__in FxCallbackLock *	Lock,
		__in WDFREQUEST	Request
	)

inline

Definition at line 46 of file fxrequestcallbacks.hpp.

    {
        if (m_Cancel != NULL) {
            PFN_WDF_REQUEST_CANCEL pMethod;
            KIRQL irql;
 
            //
            // Satisfy W4 warning, even though it is technically not necessary to
            // assign an initial value.
            //
            irql = PASSIVE_LEVEL;
 
            if (Lock != NULL) {
                Lock->Lock(&irql);
            }
 
            //
            // Clear the value before invoking the routine since the assignment
            // is invalidated when the routine is run.
            //
            pMethod = m_Cancel;
            m_Cancel = NULL;
 
            pMethod(Request);
 
            if (Lock != NULL) {
                Lock->Unlock(irql);
            }
        }
    }

Member Data Documentation

◆ m_Cancel

PFN_WDF_REQUEST_CANCEL FxRequestCancelCallback::m_Cancel

Definition at line 36 of file fxrequestcallbacks.hpp.

Referenced by FxRequestCancelCallback(), InvokeCancel(), FxRequestBase::IsCancelRoutineSet(), and FxIoQueue::RequestCancelable().

The documentation for this class was generated from the following file:

sdk/lib/drivers/wdf/shared/inc/private/common/fxrequestcallbacks.hpp

Public Member Functions

Public Attributes