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	Signed-off-by: lpleahy git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13802 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			109 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			109 lines
		
	
	
		
			2.6 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_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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    //  Release the socket resources
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    //
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    *pErrno = EslServiceFreeProtocol ( pSocketProtocol );
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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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