mirror of https://github.com/acidanthera/audk.git
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/** @file
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Implement the shutdown 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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Shutdown the socket receive and transmit operations
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The ::shutdown routine stops socket receive and transmit operations.
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The
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<a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html">POSIX</a>
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documentation is available online.
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@param [in] s Socket file descriptor returned from ::socket.
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@param [in] how Which operations to shutdown
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@returns ::shutdown returns the zero (0) if successful or -1 when an
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error occurs. In the latter case, errno contains more details.
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**/
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int
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shutdown (
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int s,
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int how
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)
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{
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int RetVal;
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EFI_SOCKET_PROTOCOL * pSocketProtocol;
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EFI_STATUS Status;
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//
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// Assume failure
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//
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RetVal = -1;
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//
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// Locate the context for this socket
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//
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pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
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if ( NULL != pSocketProtocol ) {
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//
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// Receive the data from the socket
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//
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Status = pSocketProtocol->pfnShutdown ( pSocketProtocol,
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how,
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&errno );
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if ( !EFI_ERROR ( Status )) {
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//
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// Success
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//
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RetVal = 0;
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}
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}
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//
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// Return the operation status
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//
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return RetVal;
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}
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