mirror of https://github.com/acidanthera/audk.git
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/** @file
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Implement the close API.
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Copyright (c) 2011, Intel Corporation
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All rights reserved. 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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#include <SocketInternals.h>
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/**
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Worker routine to close the socket.
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@param[in] pSocketProtocol Socket protocol structure address
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@param[in] pErrno Address of the ::errno variable
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@retval EFI_SUCCESS Successfully closed the socket
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**/
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EFI_STATUS
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BslSocketCloseWork (
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IN EFI_SOCKET_PROTOCOL * pSocketProtocol,
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IN int * pErrno
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)
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{
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EFI_SERVICE_BINDING_PROTOCOL * pServiceBinding;
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EFI_STATUS Status;
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//
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// Start closing the socket
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//
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Status = pSocketProtocol->pfnCloseStart ( pSocketProtocol,
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FALSE,
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pErrno );
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//
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// Wait for the socket to close or an error
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//
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while ( EFI_NOT_READY == Status ) {
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Status = pSocketProtocol->pfnClosePoll ( pSocketProtocol,
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pErrno );
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}
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if ( !EFI_ERROR ( Status )) {
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//
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// Locate the socket protocol
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//
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Status = gBS->LocateProtocol ( &gEfiSocketServiceBindingProtocolGuid,
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NULL,
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(VOID **) &pServiceBinding );
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if ( !EFI_ERROR ( Status )) {
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//
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// Release the handle
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//
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Status = pServiceBinding->DestroyChild ( pServiceBinding,
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pSocketProtocol->SocketHandle );
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}
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if ( EFI_ERROR ( Status )) {
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*pErrno = EIO;
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}
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}
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else {
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DEBUG (( DEBUG_ERROR,
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"ERROR - Failed to close the socket: %r\r\n",
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Status ));
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*pErrno = EIO;
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}
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//
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// Return the close status
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//
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return Status;
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}
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/**
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Close the socket
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The BslSocketClose routine is called indirectly from the close file
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system routine. This routine closes the socket and returns the
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status to the caller.
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@param[in] pDescriptor Descriptor address for the file
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@return This routine returns 0 upon success and -1 upon failure.
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In the case of failure, ::errno contains more information.
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**/
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int
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EFIAPI
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BslSocketClose (
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struct __filedes * pDescriptor
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)
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{
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int CloseStatus;
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EFI_SOCKET_PROTOCOL * pSocketProtocol;
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//
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// Locate the socket protocol
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//
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pSocketProtocol = BslValidateSocketFd ( pDescriptor, &errno );
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if ( NULL != pSocketProtocol ) {
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//
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// Close the socket
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//
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BslSocketCloseWork ( pSocketProtocol, &errno );
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}
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//
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// Return the close status
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//
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CloseStatus = ( errno == 0 ) ? 0 : -1;
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return CloseStatus;
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}
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