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/** @file
Implement the shutdown API.
Copyright (c) 2011, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <SocketInternals.h>
/**
Shutdown the socket receive and transmit operations
The shutdown routine stops socket receive and transmit operations.
The
<a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html">POSIX</a>
documentation is available online.
@param [in] s Socket file descriptor returned from ::socket.
@param [in] how Which operations to shutdown
@return This routine returns the zero (0) if successful or -1 when an
error occurs. In the latter case, ::errno contains more details.
**/
int
shutdown (
int s,
int how
)
{
int RetVal;
EFI_SOCKET_PROTOCOL * pSocketProtocol;
EFI_STATUS Status;
//
// Assume failure
//
RetVal = -1;
//
// Locate the context for this socket
//
pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
if ( NULL != pSocketProtocol ) {
//
// Receive the data from the socket
//
Status = pSocketProtocol->pfnShutdown ( pSocketProtocol,
how,
&errno );
if ( !EFI_ERROR ( Status )) {
//
// Success
//
RetVal = 0;
}
}
//
// Return the operation status
//
return RetVal;
}
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