ReactOS  0.4.15-dev-3456-g4a17d4b
FxMemoryBufferFromPoolLookaside Class Reference

#include <fxmemorybufferfromlookaside.hpp>

Inheritance diagram for FxMemoryBufferFromPoolLookaside:
Collaboration diagram for FxMemoryBufferFromPoolLookaside:

Public Member Functions

 FxMemoryBufferFromPoolLookaside (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout FxLookasideList *Lookaside, __in size_t BufferSize, __in_bcount(BufferSize) PVOID Buffer)
 
_Must_inspect_result_ PVOID operator new (__in size_t Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout PVOID ValidMemory, __in PWDF_OBJECT_ATTRIBUTES Attributes)
 
virtual PVOID GetBuffer (VOID)
 
- Public Member Functions inherited from FxMemoryBufferFromLookaside
 FxMemoryBufferFromLookaside (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout FxLookasideList *Lookaside, __in size_t BufferSize)
 
_Must_inspect_result_ PVOID operator new (__in size_t Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout PVOID ValidMemory, __in size_t BufferSize, __in PWDF_OBJECT_ATTRIBUTES Attributes)
 
- Public Member Functions inherited from FxMemoryObject
virtual size_t GetBufferSize (VOID)
 
virtual PMDL GetMdl (VOID)
 
virtual WDFMEMORY GetHandle (VOID)
 
virtual PFX_DRIVER_GLOBALS GetDriverGlobals (VOID)
 
virtual ULONG AddRef (__in PVOID Tag, __in LONG Line, __in_opt PSTR File)
 
virtual ULONG Release (__in PVOID Tag, __in LONG Line, __in_opt PSTR File)
 
virtual VOID Delete (VOID)
 
virtual USHORT GetFlags (VOID)
 
- Public Member Functions inherited from FxObject
PVOID GetCOMWrapper ()
 
void SetCOMWrapper (__drv_aliasesMem PVOID Wrapper)
 
 FxObject (__in WDFTYPE Type, __in USHORT Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals)
 
virtual ~FxObject (VOID)
 
PVOID __inline operator new (__in size_t Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals, __in FxObjectType Type)
 
PVOID __inline operator new (__in size_t Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals, __in_opt PWDF_OBJECT_ATTRIBUTES Attributes, __in USHORT ExtraSize=0)
 
VOID operator delete (__in PVOID Memory)
 
VOID SetNoContextHeader (VOID)
 
PVOID __inline GetObjectHandle (VOID)
 
__inline FxContextHeaderGetContextHeader (VOID)
 
__inline PFX_DRIVER_GLOBALS GetDriverGlobals (VOID)
 
WDFTYPE GetType (VOID)
 
USHORT GetObjectSize (VOID)
 
LONG GetRefCnt (VOID)
 
FxTagTrackerGetTagTracker (VOID)
 
CfxDeviceGetDevice (VOID)
 
CfxDeviceBaseGetDeviceBase (VOID)
 
VOID SetDeviceBase (__in CfxDeviceBase *DeviceBase)
 
__inline VOID CallCleanup (VOID)
 
ULONG __inline AddRef (__in_opt PVOID Tag=NULL, __in LONG Line=0, __in_opt PSTR File=NULL)
 
virtual ULONG Release (__in_opt PVOID Tag=NULL, __in LONG Line=0, __in_opt PSTR File=NULL)
 
virtual ULONG AddRefOverride (__in WDFOBJECT_OFFSET Offset, __in_opt PVOID Tag=NULL, __in LONG Line=0, __in_opt PSTR File=NULL)
 
virtual ULONG ReleaseOverride (__in WDFOBJECT_OFFSET Offset, __in_opt PVOID Tag=NULL, __in LONG Line=0, __in_opt PSTR File=NULL)
 
virtual _Must_inspect_result_ NTSTATUS QueryInterface (__in FxQueryInterfaceParams *Params)
 
VOID MarkTraceState (VOID)
 
BOOLEAN __inline IsTraceState (VOID)
 
VOID __inline TraceDroppedEvent (__in FxObjectDroppedEvent Event)
 
VOID MarkPassiveDispose (__in FxObjectLockState State=ObjectLock)
 
VOID MarkPassiveCallbacks (__in FxObjectLockState State=ObjectLock)
 
VOID MarkForceDisposeThread (__in FxObjectLockState State=ObjectLock)
 
BOOLEAN IsPassiveCallbacks (__in BOOLEAN AcquireLock=TRUE)
 
BOOLEAN IsPassiveDispose (__in BOOLEAN AcquireLock=TRUE)
 
BOOLEAN IsForceDisposeThread (__in BOOLEAN AcquireLock=TRUE)
 
VOID MarkCommitted (VOID)
 
BOOLEAN IsCommitted (VOID)
 
VOID MarkDisposeOverride (__in FxObjectLockState State=ObjectLock)
 
VOID MarkNoDeleteDDI (__in FxObjectLockState State=ObjectLock)
 
BOOLEAN IsNoDeleteDDI (VOID)
 
_Must_inspect_result_ NTSTATUS Commit (__in_opt PWDF_OBJECT_ATTRIBUTES Attributes, __out_opt WDFOBJECT *ObjectHandle, __in_opt FxObject *Parent=NULL, __in BOOLEAN AssignDriverAsDefaultParent=TRUE)
 
VOID DeleteFromFailedCreate (VOID)
 
VOID ClearEvtCallbacks (VOID)
 
BOOLEAN EarlyDispose (VOID)
 
virtual VOID DeleteObject (VOID)
 
virtual BOOLEAN Dispose (VOID)
 
_Must_inspect_result_ NTSTATUS AssignParentObject (__in FxObject *ParentObject)
 
_Must_inspect_result_ NTSTATUS AddContext (__in FxContextHeader *Header, __in PVOID *Context, __in PWDF_OBJECT_ATTRIBUTES Attributes)
 
_Must_inspect_result_ NTSTATUS RemoveParentAssignment (VOID)
 
_Must_inspect_result_ FxObjectGetParentObjectReferenced (__in PVOID Tag)
 
BOOLEAN IsDisposed (VOID)
 
- Public Member Functions inherited from IFxMemory
_Must_inspect_result_ NTSTATUS ValidateMemoryOffsets (__in_opt PWDFMEMORY_OFFSET Offsets)
 
_Must_inspect_result_ NTSTATUS CopyFromPtr (__in_opt PWDFMEMORY_OFFSET DestinationOffsets, __in_bcount(SourceBufferLength) PVOID SourceBuffer, __in size_t SourceBufferLength, __in_opt PWDFMEMORY_OFFSET SourceOffsets)
 
_Must_inspect_result_ NTSTATUS CopyToPtr (__in_opt PWDFMEMORY_OFFSET SourceOffsets, __out_bcount(DestinationBufferLength) PVOID DestinationBuffer, __in size_t DestinationBufferLength, __in_opt PWDFMEMORY_OFFSET DestinationOffsets)
 
_Must_inspect_result_ NTSTATUS ValidateMemoryOffsets (__in_opt PWDFMEMORY_OFFSET Offsets)
 
_Must_inspect_result_ NTSTATUS CopyFromPtr (__in_opt PWDFMEMORY_OFFSET DestinationOffsets, __in_bcount(SourceBufferLength) PVOID SourceBuffer, __in size_t SourceBufferLength, __in_opt PWDFMEMORY_OFFSET SourceOffsets)
 
_Must_inspect_result_ NTSTATUS CopyToPtr (__in_opt PWDFMEMORY_OFFSET SourceOffsets, __out_bcount(DestinationBufferLength) PVOID DestinationBuffer, __in size_t DestinationBufferLength, __in_opt PWDFMEMORY_OFFSET DestinationOffsets)
 

Protected Member Functions

 FxMemoryBufferFromPoolLookaside (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout FxLookasideList *Lookaside, __in size_t BufferSize, __in_bcount(BufferSize) PVOID Buffer, __in USHORT ObjectSize)
 
virtual VOID SelfDestruct (VOID)
 
- Protected Member Functions inherited from FxMemoryBufferFromLookaside
 FxMemoryBufferFromLookaside (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout FxLookasideList *Lookaside, __in size_t BufferSize, __in USHORT ObjectSize)
 
 ~FxMemoryBufferFromLookaside ()
 
VOID Init (VOID)
 
- Protected Member Functions inherited from FxMemoryObject
 FxMemoryObject (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __in USHORT ObjectSize, __in size_t BufferSize)
 
virtual _Must_inspect_result_ NTSTATUS QueryInterface (__inout FxQueryInterfaceParams *Params)
 
- Protected Member Functions inherited from FxObject
 FxObject (__in WDFTYPE Type, __in USHORT Size, __in PFX_DRIVER_GLOBALS FxDriverGlobals, __in FxObjectType ObjectType)
 
FxObjectDebugExtensionGetDebugExtension (VOID)
 
BOOLEAN IsDebug (VOID)
 
VOID AllocateTagTracker (__in WDFTYPE Type)
 
PVOID __inline GetObjectHandleUnchecked (VOID)
 
VOID __inline DestroyChildren (VOID)
 
VOID DeleteEarlyDisposedObject (VOID)
 

Protected Attributes

PVOID m_Pool
 
- Protected Attributes inherited from FxMemoryBufferFromLookaside
FxLookasideListm_pLookaside
 
- Protected Attributes inherited from FxMemoryObject
size_t m_BufferSize
 
- Protected Attributes inherited from FxObject
union {
   CfxDeviceBase *   m_DeviceBase
 
   CfxDevice *   m_Device
 
}; 
 

Additional Inherited Members

- Static Public Member Functions inherited from FxMemoryObject
static _Must_inspect_result_ NTSTATUS _Create (__in PFX_DRIVER_GLOBALS DriverGlobals, __in_opt PWDF_OBJECT_ATTRIBUTES Attributes, __in POOL_TYPE PoolType, __in ULONG PoolTag, __in size_t BufferSize, __out FxMemoryObject **Object)
 
- Static Public Member Functions inherited from FxObject
static FxObject_FromDisposeEntry (__in PSINGLE_LIST_ENTRY Entry)
 
static FxObject_GetObjectFromHandle (__in WDFOBJECT Handle, __inout PWDFOBJECT_OFFSET ObjectOffset)
 
static PVOID __inline _ToHandle (__in FxObject *Object)
 
static VOID __inline _ReferenceActual (__in WDFOBJECT Object, __in_opt PVOID Tag, __in LONG Line, __in PSTR File)
 
static VOID __inline _DereferenceActual (__in WDFOBJECT Object, __in_opt PVOID Tag, __in LONG Line, __in PSTR File)
 
static PVOID _GetDebugBase (__in FxObject *Object)
 
static PFX_POOL_HEADER _CleanupPointer (__in PFX_DRIVER_GLOBALS FxDriverGlobals, __in FxObject *Object)
 
static _Must_inspect_result_ NTSTATUS _GetEffectiveLock (__in FxObject *Object, __in_opt IFxHasCallbacks *Callbacks, __in BOOLEAN AutomaticLocking, __in BOOLEAN PassiveCallbacks, __out FxCallbackLock **CallbackLock, __out_opt FxObject **CallbackLockObject)
 
static _Must_inspect_result_ NTSTATUS _ObjectQuery (_In_ FxObject *Object, _In_ CONST GUID *Guid, _In_ ULONG QueryBufferLength, _Out_writes_bytes_(QueryBufferLength) PVOID QueryBuffer)
 
- Static Protected Member Functions inherited from FxObject
static PVOID _GetBase (__in FxObject *Object)
 
- Static Protected Member Functions inherited from IFxMemory
static _Must_inspect_result_ NTSTATUS _CopyPtrToPtr (__in_bcount(SourceBufferLength) PVOID SourceBuffer, __in size_t SourceBufferLength, __in_opt PWDFMEMORY_OFFSET SourceOffsets, __out_bcount(DestinationBufferLength) PVOID DestinationBuffer, __in size_t DestinationBufferLength, __in_opt PWDFMEMORY_OFFSET DestinationOffsets)
 
static _Must_inspect_result_ NTSTATUS _CopyPtrToPtr (__in_bcount(SourceBufferLength) PVOID SourceBuffer, __in size_t SourceBufferLength, __in_opt PWDFMEMORY_OFFSET SourceOffsets, __out_bcount(DestinationBufferLength) PVOID DestinationBuffer, __in size_t DestinationBufferLength, __in_opt PWDFMEMORY_OFFSET DestinationOffsets)
 

Detailed Description

Definition at line 74 of file fxmemorybufferfromlookaside.hpp.

Constructor & Destructor Documentation

◆ FxMemoryBufferFromPoolLookaside() [1/2]

FxMemoryBufferFromPoolLookaside::FxMemoryBufferFromPoolLookaside ( __in PFX_DRIVER_GLOBALS  FxDriverGlobals,
__inout FxLookasideList Lookaside,
__in size_t  BufferSize,
__in_bcount(BufferSize) PVOID  Buffer 
)

Definition at line 229 of file fxmemorybufferfromlookaside.cpp.

234  :
235  FxMemoryBufferFromLookaside(FxDriverGlobals,
236  Lookaside,
237  BufferSize,
238  sizeof(*this)),
239  m_Pool(Buffer)
240 {
241 }
_Must_inspect_result_ _In_opt_ PWDF_OBJECT_ATTRIBUTES _In_ _In_ _Strict_type_match_ POOL_TYPE _In_opt_ PWDF_OBJECT_ATTRIBUTES _In_opt_ ULONG _Out_ WDFLOOKASIDE * Lookaside
Definition: wdfmemory.h:407
Definition: bufpool.h:45
FxMemoryBufferFromLookaside(__in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout FxLookasideList *Lookaside, __in size_t BufferSize)
_In_ WDFMEMORY _Out_opt_ size_t * BufferSize
Definition: wdfmemory.h:251

◆ FxMemoryBufferFromPoolLookaside() [2/2]

FxMemoryBufferFromPoolLookaside::FxMemoryBufferFromPoolLookaside ( __in PFX_DRIVER_GLOBALS  FxDriverGlobals,
__inout FxLookasideList Lookaside,
__in size_t  BufferSize,
__in_bcount(BufferSize) PVOID  Buffer,
__in USHORT  ObjectSize 
)
protected

Definition at line 243 of file fxmemorybufferfromlookaside.cpp.

249  :
250  FxMemoryBufferFromLookaside(FxDriverGlobals,
251  Lookaside,
252  BufferSize,
253  ObjectSize),
254  m_Pool(Buffer)
255 {
256 }
_Must_inspect_result_ _In_opt_ PWDF_OBJECT_ATTRIBUTES _In_ _In_ _Strict_type_match_ POOL_TYPE _In_opt_ PWDF_OBJECT_ATTRIBUTES _In_opt_ ULONG _Out_ WDFLOOKASIDE * Lookaside
Definition: wdfmemory.h:407
Definition: bufpool.h:45
FxMemoryBufferFromLookaside(__in PFX_DRIVER_GLOBALS FxDriverGlobals, __inout FxLookasideList *Lookaside, __in size_t BufferSize)
_In_ WDFMEMORY _Out_opt_ size_t * BufferSize
Definition: wdfmemory.h:251

Member Function Documentation

◆ GetBuffer()

virtual PVOID FxMemoryBufferFromPoolLookaside::GetBuffer ( VOID  )
inlinevirtual

Reimplemented from FxMemoryBufferFromLookaside.

Definition at line 94 of file fxmemorybufferfromlookaside.hpp.

◆ operator new()

Definition at line 276 of file fxmemorybufferfromlookaside.cpp.

282 {
283  size_t objectSize;
284 
286 
288 
289  objectSize = COMPUTE_OBJECT_SIZE(sizeof(FxMemoryBufferFromPoolLookaside), 0);
290 
292  FxDriverGlobals,
293  ValidMemory,
294  (USHORT) objectSize,
295  Attributes,
297  );
298 }
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317
IN PVOID IN PVOID IN USHORT IN USHORT Size
Definition: pci.h:361
#define COMPUTE_OBJECT_SIZE(_rawObjectSize, _extraSize)
Definition: fxhandle.h:107
#define ASSERT(a)
Definition: mode.c:44
unsigned short USHORT
Definition: pedump.c:61
PVOID FxObjectAndHandleHeaderInit(__in PFX_DRIVER_GLOBALS FxDriverGlobals, __in PVOID AllocationStart, __in USHORT ObjectSize, __in_opt PWDF_OBJECT_ATTRIBUTES Attributes, __in FxObjectType ObjectType)
Definition: handleapi.cpp:292
_Must_inspect_result_ _In_ WDFDMAENABLER _In_ _In_opt_ PWDF_OBJECT_ATTRIBUTES Attributes

◆ SelfDestruct()

VOID FxMemoryBufferFromPoolLookaside::SelfDestruct ( VOID  )
protectedvirtual

Reimplemented from FxMemoryBufferFromLookaside.

Definition at line 259 of file fxmemorybufferfromlookaside.cpp.

262 {
263  //
264  // Free the 2ndary allocation
265  //
266  ((FxLookasideListFromPool*) m_pLookaside)->ReclaimPool(m_Pool);
267 
268  //
269  // Free the object itself
270  //
272 }

Member Data Documentation

◆ m_Pool

PVOID FxMemoryBufferFromPoolLookaside::m_Pool
protected

Definition at line 116 of file fxmemorybufferfromlookaside.hpp.

Referenced by GetBuffer(), and SelfDestruct().


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