2 Implement the getsockopt API.
4 Copyright (c) 2011, Intel Corporation
5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #include <SocketInternals.h>
19 Get the socket options
21 @param [in] s Socket file descriptor returned from ::socket.
22 @param [in] level Option protocol level
23 @param [in] option_name Name of the option
24 @param [out] option_value Buffer to receive the option value
25 @param [in,out] option_len Length of the buffer in bytes,
26 upon return length of the option value in bytes
28 @retval Zero (0) upon success
29 @retval Minus one (-1) upon failure, errno set with additional error information
37 OUT
void * __restrict option_value
,
38 IN OUT socklen_t
* __restrict option_len
42 EFI_SOCKET_PROTOCOL
* pSocketProtocol
;
46 // Locate the context for this socket
48 pSocketProtocol
= BslFdToSocketProtocol ( s
, NULL
, &errno
);
49 if ( NULL
!= pSocketProtocol
) {
51 // Get the socket option
53 Status
= pSocketProtocol
->pfnOptionGet ( pSocketProtocol
,
62 // Return the operation stauts
64 OptionStatus
= ( 0 == errno
) ? 0 : -1;