1 /** @file 2 Implement the close API. 3 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 9 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. 12 13 **/ 14 15 #include <SocketInternals.h> 16 17 18 /** 19 Worker routine to close the socket. 20 21 @param[in] pSocketProtocol Socket protocol structure address 22 23 @param[in] pErrno Address of the ::errno variable 24 25 @retval EFI_SUCCESS Successfully closed the socket 26 27 **/ 28 EFI_STATUS 29 BslSocketCloseWork ( 30 IN EFI_SOCKET_PROTOCOL * pSocketProtocol, 31 IN int * pErrno 32 ) 33 { 34 EFI_STATUS Status; 35 36 // 37 // Start closing the socket 38 // 39 Status = pSocketProtocol->pfnCloseStart ( pSocketProtocol, 40 FALSE, 41 pErrno ); 42 43 // 44 // Wait for the socket to close or an error 45 // 46 while ( EFI_NOT_READY == Status ) { 47 Status = pSocketProtocol->pfnClosePoll ( pSocketProtocol, 48 pErrno ); 49 } 50 if ( !EFI_ERROR ( Status )) { 51 // 52 // Release the socket resources 53 // 54 *pErrno = EslServiceFreeProtocol ( pSocketProtocol ); 55 } 56 else { 57 DEBUG (( DEBUG_ERROR, 58 "ERROR - Failed to close the socket: %r\r\n", 59 Status )); 60 *pErrno = EIO; 61 } 62 63 // 64 // Return the close status 65 // 66 return Status; 67 } 68 69 70 /** 71 Close the socket 72 73 The BslSocketClose routine is called indirectly from the close file 74 system routine. This routine closes the socket and returns the 75 status to the caller. 76 77 @param[in] pDescriptor Descriptor address for the file 78 79 @return This routine returns 0 upon success and -1 upon failure. 80 In the case of failure, ::errno contains more information. 81 82 **/ 83 int 84 EFIAPI 85 BslSocketClose ( 86 struct __filedes * pDescriptor 87 ) 88 { 89 int CloseStatus; 90 EFI_SOCKET_PROTOCOL * pSocketProtocol; 91 92 // 93 // Locate the socket protocol 94 // 95 pSocketProtocol = BslValidateSocketFd ( pDescriptor, &errno ); 96 if ( NULL != pSocketProtocol ) { 97 // 98 // Close the socket 99 // 100 BslSocketCloseWork ( pSocketProtocol, &errno ); 101 } 102 103 // 104 // Return the close status 105 // 106 CloseStatus = ( errno == 0 ) ? 0 : -1; 107 return CloseStatus; 108 } 109
