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d7ce7006 | 1 | /** @file\r |
2 | Implement the close 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 | Worker routine to close the socket.\r | |
20 | \r | |
7dc13291 | 21 | @param[in] pSocketProtocol Socket protocol structure address\r |
d7ce7006 | 22 | \r |
a88c3163 | 23 | @param[in] pErrno Address of the ::errno variable\r |
d7ce7006 | 24 | \r |
25 | @retval EFI_SUCCESS Successfully closed the socket\r | |
26 | \r | |
27 | **/\r | |
28 | EFI_STATUS\r | |
29 | BslSocketCloseWork (\r | |
30 | IN EFI_SOCKET_PROTOCOL * pSocketProtocol,\r | |
31 | IN int * pErrno\r | |
32 | )\r | |
33 | {\r | |
d7ce7006 | 34 | EFI_STATUS Status;\r |
35 | \r | |
36 | //\r | |
37 | // Start closing the socket\r | |
38 | //\r | |
39 | Status = pSocketProtocol->pfnCloseStart ( pSocketProtocol,\r | |
40 | FALSE,\r | |
41 | pErrno );\r | |
42 | \r | |
43 | //\r | |
44 | // Wait for the socket to close or an error\r | |
45 | //\r | |
46 | while ( EFI_NOT_READY == Status ) {\r | |
47 | Status = pSocketProtocol->pfnClosePoll ( pSocketProtocol,\r | |
48 | pErrno );\r | |
49 | }\r | |
50 | if ( !EFI_ERROR ( Status )) {\r | |
51 | //\r | |
4652be0c | 52 | // Release the socket resources\r |
d7ce7006 | 53 | //\r |
4652be0c | 54 | *pErrno = EslServiceFreeProtocol ( pSocketProtocol );\r |
d7ce7006 | 55 | }\r |
56 | else {\r | |
57 | DEBUG (( DEBUG_ERROR,\r | |
58 | "ERROR - Failed to close the socket: %r\r\n",\r | |
59 | Status ));\r | |
60 | *pErrno = EIO;\r | |
61 | }\r | |
62 | \r | |
63 | //\r | |
64 | // Return the close status\r | |
65 | //\r | |
66 | return Status;\r | |
67 | }\r | |
68 | \r | |
69 | \r | |
70 | /**\r | |
71 | Close the socket\r | |
72 | \r | |
a88c3163 | 73 | The BslSocketClose routine is called indirectly from the close file\r |
74 | system routine. This routine closes the socket and returns the\r | |
75 | status to the caller.\r | |
76 | \r | |
7dc13291 | 77 | @param[in] pDescriptor Descriptor address for the file\r |
d7ce7006 | 78 | \r |
7dc13291 | 79 | @return This routine returns 0 upon success and -1 upon failure.\r |
a88c3163 | 80 | In the case of failure, ::errno contains more information.\r |
d7ce7006 | 81 | \r |
82 | **/\r | |
83 | int\r | |
7700f0f5 | 84 | EFIAPI\r |
d7ce7006 | 85 | BslSocketClose (\r |
86 | struct __filedes * pDescriptor\r | |
87 | )\r | |
88 | {\r | |
89 | int CloseStatus;\r | |
90 | EFI_SOCKET_PROTOCOL * pSocketProtocol;\r | |
91 | \r | |
92 | //\r | |
93 | // Locate the socket protocol\r | |
94 | //\r | |
95 | pSocketProtocol = BslValidateSocketFd ( pDescriptor, &errno );\r | |
96 | if ( NULL != pSocketProtocol ) {\r | |
97 | //\r | |
98 | // Close the socket\r | |
99 | //\r | |
100 | BslSocketCloseWork ( pSocketProtocol, &errno );\r | |
101 | }\r | |
102 | \r | |
103 | //\r | |
104 | // Return the close status\r | |
105 | //\r | |
106 | CloseStatus = ( errno == 0 ) ? 0 : -1;\r | |
107 | return CloseStatus;\r | |
108 | }\r |