#include <phapp.h>
#include <extmgri.h>

Functions
VOID	PhEmInitialization (VOID)
	Initializes the extension manager module.

VOID	PhEmInitializeAppContext (_Out_ PPH_EM_APP_CONTEXT AppContext, _In_ PPH_STRINGREF AppName)
	Initializes an extension application context.

VOID	PhEmSetObjectExtension (_Inout_ PPH_EM_APP_CONTEXT AppContext, _In_ PH_EM_OBJECT_TYPE ObjectType, _In_ SIZE_T ExtensionSize, _In_opt_ PPH_EM_OBJECT_CALLBACK CreateCallback, _In_opt_ PPH_EM_OBJECT_CALLBACK DeleteCallback)
	Sets the object extension size and callbacks for an object type.

PVOID	PhEmGetObjectExtension (_In_ PPH_EM_APP_CONTEXT AppContext, _In_ PH_EM_OBJECT_TYPE ObjectType, _In_ PVOID Object)
	Gets the object extension for an object.

SIZE_T	PhEmGetObjectSize (_In_ PH_EM_OBJECT_TYPE ObjectType, _In_ SIZE_T InitialSize)
	Determines the size of an object, including extensions.

VOID	PhEmCallObjectOperation (_In_ PH_EM_OBJECT_TYPE ObjectType, _In_ PVOID Object, _In_ PH_EM_OBJECT_OPERATION Operation)
	Invokes callbacks for an object operation.

BOOLEAN	PhEmParseCompoundId (_In_ PPH_STRINGREF CompoundId, _Out_ PPH_STRINGREF AppName, _Out_ PULONG SubId)
	Parses an application name and sub-ID pair.

Variables
LIST_ENTRY	PhEmAppContextListHead = { &PhEmAppContextListHead, &PhEmAppContextListHead }

ULONG	PhEmAppContextCount = 0

PH_EM_OBJECT_TYPE_STATE	PhEmObjectTypeState [EmMaximumObjectType] = { 0 }

Function Documentation

VOID PhEmCallObjectOperation	(	_In_ PH_EM_OBJECT_TYPE	ObjectType,
		_In_ PVOID	Object,
		_In_ PH_EM_OBJECT_OPERATION	Operation
	)

Invokes callbacks for an object operation.

Parameters

ObjectType	The object type.
Object	The object.
Operation	The operation being performed.

Definition at line 155 of file extmgr.c.

PVOID PhEmGetObjectExtension	(	_In_ PPH_EM_APP_CONTEXT	AppContext,
		_In_ PH_EM_OBJECT_TYPE	ObjectType,
		_In_ PVOID	Object
	)

Gets the object extension for an object.

Parameters

AppContext	The application context.
ObjectType	The type of object for which an extension has been registered.
Object	The object.

Definition at line 116 of file extmgr.c.

Determines the size of an object, including extensions.

Parameters

ObjectType	The object type.
InitialSize	The initial size of the object.

Definition at line 138 of file extmgr.c.

VOID PhEmInitialization ( VOID )

Initializes the extension manager module.

Definition at line 39 of file extmgr.c.

VOID PhEmInitializeAppContext	(	_Out_ PPH_EM_APP_CONTEXT	AppContext,
		_In_ PPH_STRINGREF	AppName
	)

Initializes an extension application context.

Parameters

AppContext	The application context.
AppName	The application name.

Definition at line 57 of file extmgr.c.

BOOLEAN PhEmParseCompoundId	(	_In_ PPH_STRINGREF	CompoundId,
		_Out_ PPH_STRINGREF	AppName,
		_Out_ PULONG	SubId
	)

Parses an application name and sub-ID pair.

Parameters

CompoundId	The compound identifier.
AppName	A variable which receives the application name.
SubId	A variable which receives the sub-ID.

Definition at line 196 of file extmgr.c.

VOID PhEmSetObjectExtension	(	_Inout_ PPH_EM_APP_CONTEXT	AppContext,
		_In_ PH_EM_OBJECT_TYPE	ObjectType,
		_In_ SIZE_T	ExtensionSize,
		_In_opt_ PPH_EM_OBJECT_CALLBACK	CreateCallback,
		_In_opt_ PPH_EM_OBJECT_CALLBACK	DeleteCallback
	)

Sets the object extension size and callbacks for an object type.

Parameters

AppContext	The application context.
ObjectType	The type of object for which the extension is being registered.
ExtensionSize	The size of the extension, in bytes.
CreateCallback	The object creation callback.
DeleteCallback	The object deletion callback.

Definition at line 78 of file extmgr.c.

Variable Documentation

ULONG PhEmAppContextCount = 0

Definition at line 33 of file extmgr.c.

LIST_ENTRY PhEmAppContextListHead = { &PhEmAppContextListHead, &PhEmAppContextListHead }

Definition at line 32 of file extmgr.c.

Definition at line 34 of file extmgr.c.