fxwaitlockapi.cpp File Reference

#include "fxsupportpch.hpp"

Include dependency graph for fxwaitlockapi.cpp:

Go to the source code of this file.

Functions
_Must_inspect_result_	__drv_maxIRQL (DISPATCH_LEVEL) NTSTATUS WDFAPI NTAPI WDFEXPORT(WdfWaitLockCreate)(__in PWDF_DRIVER_GLOBALS DriverGlobals
	if (NT_SUCCESS(FxValidateObjectAttributesForParentHandle(fxDriverGlobals, LockAttributes)))
	FxPointerNotNull (fxDriverGlobals, Lock)
	if (!NT_SUCCESS(status))
	__drv_when (Timeout !=0, _Must_inspect_result_) __drv_when(Timeout
	__drv_maxIRQL (PASSIVE_LEVEL)) __drv_when(Timeout !=0 &&*Timeout
	__drv_maxIRQL (DISPATCH_LEVEL)) __drv_when(Timeout !=0 &&*Timeout !=0
	__drv_maxIRQL (PASSIVE_LEVEL)) NTSTATUS WDFAPI NTAPI WDFEXPORT(WdfWaitLockAcquire)(__in PWDF_DRIVER_GLOBALS DriverGlobals
	FxObjectHandleGetPtrAndGlobals (GetFxDriverGlobals(DriverGlobals), Lock, FX_TYPE_WAIT_LOCK,(PVOID *) &pLock, &pFxDriverGlobals)
	if (Timeout==NULL|| *Timeout !=0)
return pLock	AcquireLock (pFxDriverGlobals, Timeout)
pLock	ReleaseLock (pFxDriverGlobals)

Variables
_Must_inspect_result_ __in_opt PWDF_OBJECT_ATTRIBUTES	LockAttributes
_Must_inspect_result_ __in_opt PWDF_OBJECT_ATTRIBUTES __out WDFWAITLOCK *	Lock
PFX_DRIVER_GLOBALS	fxDriverGlobals = GetFxDriverGlobals(DriverGlobals)
NTSTATUS	status = FxValidateObjectAttributes(fxDriverGlobals, LockAttributes)
FxObject *	parent = NULL
__in WDFWAITLOCK __in_opt PLONGLONG	Timeout
PFX_DRIVER_GLOBALS	pFxDriverGlobals
FxWaitLock *	pLock

Function Documentation

__drv_maxIRQL() [1/4]

_Must_inspect_result_ __drv_maxIRQL

(

DISPATCH_LEVEL

)

__drv_maxIRQL() [2/4]

__drv_maxIRQL ( DISPATCH_LEVEL  ) &&

pure virtual

__drv_maxIRQL() [3/4]

__drv_maxIRQL ( PASSIVE_LEVEL  ) &&

pure virtual

__drv_maxIRQL() [4/4]

__drv_maxIRQL

(

PASSIVE_LEVEL

)

__drv_when()

__drv_when	(	Timeout !	= 0,
		_Must_inspect_result_
	)

AcquireLock()

return pLock AcquireLock	(	pFxDriverGlobals	,
		Timeout
	)

FxObjectHandleGetPtrAndGlobals()

FxObjectHandleGetPtrAndGlobals	(	GetFxDriverGlobals(DriverGlobals)	,
		Lock	,
		FX_TYPE_WAIT_LOCK	,
		(PVOID *) &	pLock,
		&	pFxDriverGlobals
	)

Referenced by if().

FxPointerNotNull()

FxPointerNotNull	(	fxDriverGlobals	,
		Lock
	)

if() [1/3]

if

(

!

NT_SUCCESSstatus

)

Definition at line 84 of file fxwaitlockapi.cpp.

                             {
        return status;
    }

if() [2/3]

if

(

NT_SUCCESS(FxValidateObjectAttributesForParentHandle(fxDriverGlobals, LockAttributes))

)

Definition at line 72 of file fxwaitlockapi.cpp.

                                                                               {
        FxObjectHandleGetPtrAndGlobals(fxDriverGlobals,
                                       LockAttributes->ParentObject,
                                       FX_TYPE_OBJECT,
                                       (PVOID*)&parent,
                                       &fxDriverGlobals);
    }

if() [3/3]

if

(

Timeout

= = NULL || *Timeout != 0

)

Definition at line 142 of file fxwaitlockapi.cpp.

                                          {
        status = FxVerifierCheckIrqlLevel(pFxDriverGlobals, PASSIVE_LEVEL);
        if (!NT_SUCCESS(status)) {
            return status;
        }
 
    }

ReleaseLock()

pLock ReleaseLock

(

pFxDriverGlobals

)

Variable Documentation

fxDriverGlobals

fxDriverGlobals = GetFxDriverGlobals(DriverGlobals)

Definition at line 62 of file fxwaitlockapi.cpp.

Referenced by if().

Lock

__in WDFWAITLOCK Lock

Initial value:

{
    DDI_ENTRY()

Definition at line 42 of file fxwaitlockapi.cpp.

LockAttributes

_Must_inspect_result_ __in_opt PWDF_OBJECT_ATTRIBUTES LockAttributes

Definition at line 40 of file fxwaitlockapi.cpp.

parent

parent = NULL

Definition at line 64 of file fxwaitlockapi.cpp.

Referenced by if().

pFxDriverGlobals

PFX_DRIVER_GLOBALS pFxDriverGlobals

Definition at line 132 of file fxwaitlockapi.cpp.

Referenced by if().

pLock

FxWaitLock* pLock

Definition at line 133 of file fxwaitlockapi.cpp.

status

NTSTATUS status = FxValidateObjectAttributes(fxDriverGlobals, LockAttributes)

Definition at line 63 of file fxwaitlockapi.cpp.

Referenced by if().

Timeout

__in WDFWAITLOCK __in_opt PLONGLONG Timeout

Initial value:

{
    DDI_ENTRY()

Definition at line 108 of file fxwaitlockapi.cpp.