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-rw-r--r--StdLib/BsdSocketLib/shutdown.c72
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diff --git a/StdLib/BsdSocketLib/shutdown.c b/StdLib/BsdSocketLib/shutdown.c
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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
+
+ @returns ::shutdown 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;
+}