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d7ce7006 | 1 | /** @file\r |
2 | Implement the shutdown API.\r | |
3 | \r | |
4 | Copyright (c) 2011, Intel Corporation\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <SocketInternals.h>\r | |
16 | \r | |
17 | \r | |
18 | /**\r | |
19 | Shutdown the socket receive and transmit operations\r | |
20 | \r | |
a88c3163 | 21 | The shutdown routine stops socket receive and transmit operations.\r |
22 | \r | |
d7ce7006 | 23 | The\r |
24 | <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/shutdown.html">POSIX</a>\r | |
25 | documentation is available online.\r | |
26 | \r | |
27 | @param [in] s Socket file descriptor returned from ::socket.\r | |
28 | \r | |
29 | @param [in] how Which operations to shutdown\r | |
7dc13291 | 30 | \r |
a88c3163 | 31 | @return This routine returns the zero (0) if successful or -1 when an\r |
32 | error occurs. In the latter case, ::errno contains more details.\r | |
d7ce7006 | 33 | \r |
34 | **/\r | |
35 | int\r | |
36 | shutdown (\r | |
37 | int s,\r | |
38 | int how\r | |
39 | )\r | |
40 | {\r | |
41 | int RetVal;\r | |
42 | EFI_SOCKET_PROTOCOL * pSocketProtocol;\r | |
43 | EFI_STATUS Status;\r | |
44 | \r | |
45 | //\r | |
46 | // Assume failure\r | |
47 | //\r | |
48 | RetVal = -1;\r | |
49 | \r | |
50 | //\r | |
51 | // Locate the context for this socket\r | |
52 | //\r | |
53 | pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );\r | |
54 | if ( NULL != pSocketProtocol ) {\r | |
55 | //\r | |
56 | // Receive the data from the socket\r | |
57 | //\r | |
58 | Status = pSocketProtocol->pfnShutdown ( pSocketProtocol,\r | |
59 | how,\r | |
60 | &errno );\r | |
61 | if ( !EFI_ERROR ( Status )) {\r | |
62 | //\r | |
63 | // Success\r | |
64 | //\r | |
65 | RetVal = 0;\r | |
66 | }\r | |
67 | }\r | |
68 | \r | |
69 | //\r | |
70 | // Return the operation status\r | |
71 | //\r | |
72 | return RetVal;\r | |
73 | }\r |