Add Socket Libraries.

Add Posix functions for porting compatibility.
Fix compliance issues with ISO/IEC 9899:199409
New Functions:
  setenv(), fparseln(), GetFileNameFromPath(), rename(),
  realpath(), setprogname(), getprogname(), strlcat(), strlcpy(),
  strsep(), setitimer(), getitimer(), timegm(), getopt(), basename(),
  mkstemp(), ffs(), vsnprintf(), snprintf(), getpass(), usleep(), select(),
  writev(), strcasecmp(), getcwd(), chdir(), tcgetpgrp(), getpgrp(), gettimeofday(),
  bcopy(), 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12061 6f19259b-4bc3-4df7-8a09-765794883524

StdLib/BsdSocketLib/setsockopt.c

@@ -0,0 +1,65 @@
+/** @file
+  Implement the setsockopt 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>
+
+
+/**
+  Set the socket options
+
+  @param [in] s               Socket file descriptor returned from ::socket.
+  @param [in] level           Option protocol level
+  @param [in] option_name     Name of the option
+  @param [in] option_value    Buffer containing the option value
+  @param [in] option_len      Length of the value in bytes
+
+  @retval   Zero (0) upon success
+  @retval   Minus one (-1) upon failure, errno set with additional error information
+
+**/
+int
+setsockopt (
+  IN int s,
+  IN int level,
+  IN int option_name,
+  IN CONST void * option_value,
+  IN socklen_t option_len
+  )
+{
+  int OptionStatus;
+  EFI_SOCKET_PROTOCOL * pSocketProtocol;
+  EFI_STATUS Status;
+  
+  //
+  //  Locate the context for this socket
+  //
+  pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
+  if ( NULL != pSocketProtocol ) {
+    //
+    //  Set the socket option
+    //
+    Status = pSocketProtocol->pfnOptionSet ( pSocketProtocol,
+                                             level,
+                                             option_name,
+                                             option_value,
+                                             option_len,
+                                             &errno );
+  }
+  
+  //
+  //  Return the operation stauts
+  //
+  OptionStatus = ( 0 == errno ) ? 0 : -1;
+  return OptionStatus;
+}