mirror of https://github.com/acidanthera/audk.git
231 lines
7.7 KiB
C
231 lines
7.7 KiB
C
/** @file
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The prototype of driver binding and service binding protocol for TCP driver.
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Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _TCP_DRIVER_H_
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#define _TCP_DRIVER_H_
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#define TCP_DRIVER_SIGNATURE SIGNATURE_32 ('T', 'C', 'P', 'D')
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#define TCP_PORT_KNOWN 1024
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#define TCP_PORT_USER_RESERVED 65535
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typedef struct _TCP_HEARTBEAT_TIMER {
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EFI_EVENT TimerEvent;
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INTN RefCnt;
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} TCP_HEARTBEAT_TIMER;
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typedef struct _TCP_SERVICE_DATA {
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UINT32 Signature;
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EFI_HANDLE ControllerHandle;
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EFI_HANDLE DriverBindingHandle;
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UINT8 IpVersion;
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IP_IO *IpIo;
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EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
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CHAR16 *MacString;
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LIST_ENTRY SocketList;
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} TCP_SERVICE_DATA;
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typedef struct _TCP_PROTO_DATA {
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TCP_SERVICE_DATA *TcpService;
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TCP_CB *TcpPcb;
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} TCP_PROTO_DATA;
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#define TCP_SERVICE_FROM_THIS(a) \
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CR ( \
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(a), \
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TCP_SERVICE_DATA, \
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ServiceBinding, \
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TCP_DRIVER_SIGNATURE \
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)
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//
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// Function prototype for the driver's entry point
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//
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/**
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The entry point for Tcp driver, used to install Tcp driver on the ImageHandle.
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@param[in] ImageHandle The firmware allocated handle for this driver image.
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@param[in] SystemTable Pointer to the EFI system table.
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@retval EFI_SUCCESS The driver loaded.
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@retval other The driver did not load.
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**/
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EFI_STATUS
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EFIAPI
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TcpDriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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//
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// Function prototypes for the Driver Binding Protocol
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//
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/**
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Test to see if this driver supports ControllerHandle.
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of the device to test.
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@param[in] RemainingDevicePath Optional parameter use to pick a specific
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child device to start.
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@retval EFI_SUCCESS This driver supports this device.
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@retval EFI_ALREADY_STARTED This driver is already running on this device.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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TcpDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Start this driver on ControllerHandle.
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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to bind driver to.
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@param[in] RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS The driver was added to ControllerHandle.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources to start the
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driver.
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@retval other The driver cannot be added to ControllerHandle.
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**/
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EFI_STATUS
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EFIAPI
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TcpDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
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);
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/**
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Stop this driver on ControllerHandle.
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@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
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@param[in] ControllerHandle A handle to the device being stopped. The handle must
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support a bus specific I/O protocol for the driver
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to use to stop the device.
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@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
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@param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
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if NumberOfChildren is 0.
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@retval EFI_SUCCESS The device was stopped.
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@retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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TcpDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
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);
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/**
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The Callback funtion called after the TCP socket is created.
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@param[in] This Pointer to the socket just created.
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@param[in] Context The context of the socket.
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@retval EFI_SUCCESS This protocol is installed successfully.
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@retval other An error occured.
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**/
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EFI_STATUS
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TcpCreateSocketCallback (
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IN SOCKET *This,
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IN VOID *Context
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);
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/**
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The callback function called before the TCP socket is to be destroyed.
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@param[in] This The TCP socket to be destroyed.
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@param[in] Context The context of the socket.
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**/
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VOID
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TcpDestroySocketCallback (
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IN SOCKET *This,
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IN VOID *Context
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);
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//
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// Function ptototypes for the ServiceBinding Prococol
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//
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/**
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Creates a child handle with a set of TCP services.
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The CreateChild() function installs a protocol on ChildHandle.
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If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
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If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
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@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param[in, out] ChildHandle Pointer to the handle of the child to create.
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If it is NULL, then a new handle is created.
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If it is a pointer to an existing UEFI handle,
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then the protocol is added to the existing UEFI handle.
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@retval EFI_SUCCES The protocol was added to ChildHandle.
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@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to create
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the child.
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@retval other The child handle was not created.
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**/
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EFI_STATUS
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EFIAPI
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TcpServiceBindingCreateChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN OUT EFI_HANDLE *ChildHandle
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);
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/**
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Destroys a child handle with a set of TCP services.
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The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
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that was installed by CreateChild() from ChildHandle. If the removed protocol is the
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last protocol on ChildHandle, then ChildHandle is destroyed.
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@param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
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@param ChildHandle Handle of the child to destroy.
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@retval EFI_SUCCES The protocol was removed from ChildHandle.
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@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
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@retval EFI_INVALID_PARAMETER The child handle is NULL.
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@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
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because its services are being used.
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@retval other The child handle was not destroyed.
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**/
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EFI_STATUS
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EFIAPI
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TcpServiceBindingDestroyChild (
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IN EFI_SERVICE_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ChildHandle
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);
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#endif
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