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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>channel.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> </center><hr><h1>channel.h</h1><a href="channel_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*</span>00002 <span class="comment"> * channel.h</span>00003 <span class="comment"> *</span>00004 <span class="comment"> * I/O channel ancestor class.</span>00005 <span class="comment"> *</span>00006 <span class="comment"> * Portable Windows Library</span>00007 <span class="comment"> *</span>00008 <span class="comment"> * Copyright (c) 1993-1998 Equivalence Pty. Ltd.</span>00009 <span class="comment"> *</span>00010 <span class="comment"> * The contents of this file are subject to the Mozilla Public License</span>00011 <span class="comment"> * Version 1.0 (the "License"); you may not use this file except in</span>00012 <span class="comment"> * compliance with the License. You may obtain a copy of the License at</span>00013 <span class="comment"> * http://www.mozilla.org/MPL/</span>00014 <span class="comment"> *</span>00015 <span class="comment"> * Software distributed under the License is distributed on an "AS IS"</span>00016 <span class="comment"> * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See</span>00017 <span class="comment"> * the License for the specific language governing rights and limitations</span>00018 <span class="comment"> * under the License.</span>00019 <span class="comment"> *</span>00020 <span class="comment"> * The Original Code is Portable Windows Library.</span>00021 <span class="comment"> *</span>00022 <span class="comment"> * The Initial Developer of the Original Code is Equivalence Pty. Ltd.</span>00023 <span class="comment"> *</span>00024 <span class="comment"> * Portions are Copyright (C) 1993 Free Software Foundation, Inc.</span>00025 <span class="comment"> * All Rights Reserved.</span>00026 <span class="comment"> *</span>00027 <span class="comment"> * Contributor(s): ______________________________________.</span>00028 <span class="comment"> *</span>00029 <span class="comment"> * $Log: channel.h,v $</span>00030 <span class="comment"> * Revision 1.43 2004/04/09 06:38:10 rjongbloed</span>00031 <span class="comment"> * Fixed compatibility with STL based streams, eg as used by VC++2003</span>00032 <span class="comment"> *</span>00033 <span class="comment"> * Revision 1.42 2003/12/19 04:29:52 csoutheren</span>00034 <span class="comment"> * Changed GetLastReadCount and GetLastWriteCount to be virtual</span>00035 <span class="comment"> *</span>00036 <span class="comment"> * Revision 1.41 2003/09/17 05:41:58 csoutheren</span>00037 <span class="comment"> * Removed recursive includes</span>00038 <span class="comment"> *</span>00039 <span class="comment"> * Revision 1.40 2003/09/17 01:18:02 csoutheren</span>00040 <span class="comment"> * Removed recursive include file system and removed all references</span>00041 <span class="comment"> * to deprecated coooperative threading support</span>00042 <span class="comment"> *</span>00043 <span class="comment"> * Revision 1.39 2002/09/16 01:08:59 robertj</span>00044 <span class="comment"> * Added #define so can select if #pragma interface/implementation is used on</span>00045 <span class="comment"> * platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan.</span>00046 <span class="comment"> *</span>00047 <span class="comment"> * Revision 1.38 2002/07/04 23:35:47 robertj</span>00048 <span class="comment"> * Fixed documentation error</span>00049 <span class="comment"> *</span>00050 <span class="comment"> * Revision 1.37 2002/04/09 02:30:18 robertj</span>00051 <span class="comment"> * Removed GCC3 variable as __GNUC__ can be used instead, thanks jason Spence</span>00052 <span class="comment"> *</span>00053 <span class="comment"> * Revision 1.36 2002/01/26 23:55:55 craigs</span>00054 <span class="comment"> * Changed for GCC 3.0 compatibility, thanks to manty@manty.net</span>00055 <span class="comment"> *</span>00056 <span class="comment"> * Revision 1.35 2001/11/13 04:13:22 robertj</span>00057 <span class="comment"> * Added ability to adjust size of ios buffer on PChannels.</span>00058 <span class="comment"> *</span>00059 <span class="comment"> * Revision 1.34 2001/09/11 03:27:46 robertj</span>00060 <span class="comment"> * Improved error processing on high level protocol failures, usually</span>00061 <span class="comment"> * caused by unexpected shut down of a socket.</span>00062 <span class="comment"> *</span>00063 <span class="comment"> * Revision 1.33 2001/09/10 02:51:22 robertj</span>00064 <span class="comment"> * Major change to fix problem with error codes being corrupted in a</span>00065 <span class="comment"> * PChannel when have simultaneous reads and writes in threads.</span>00066 <span class="comment"> *</span>00067 <span class="comment"> * Revision 1.32 2001/06/04 10:13:08 robertj</span>00068 <span class="comment"> * Added compare function to compare value of os_handle.</span>00069 <span class="comment"> * Added has function based on os_handle value.</span>00070 <span class="comment"> *</span>00071 <span class="comment"> * Revision 1.31 2001/05/22 12:49:32 robertj</span>00072 <span class="comment"> * Did some seriously wierd rewrite of platform headers to eliminate the</span>00073 <span class="comment"> * stupid GNU compiler warning about braces not matching.</span>00074 <span class="comment"> *</span>00075 <span class="comment"> * Revision 1.30 1999/11/05 09:37:46 craigs</span>00076 <span class="comment"> * Made static form of ConvertOSError public scope</span>00077 <span class="comment"> *</span>00078 <span class="comment"> * Revision 1.29 1999/10/09 01:22:06 robertj</span>00079 <span class="comment"> * Fixed error display for sound channels.</span>00080 <span class="comment"> *</span>00081 <span class="comment"> * Revision 1.28 1999/03/09 02:59:49 robertj</span>00082 <span class="comment"> * Changed comments to doc++ compatible documentation.</span>00083 <span class="comment"> *</span>00084 <span class="comment"> * Revision 1.27 1998/09/23 06:20:18 robertj</span>00085 <span class="comment"> * Added open source copyright license.</span>00086 <span class="comment"> *</span>00087 <span class="comment"> * Revision 1.26 1998/02/03 06:29:10 robertj</span>00088 <span class="comment"> * Added new function to read a block with minimum number of bytes.</span>00089 <span class="comment"> *</span>00090 <span class="comment"> * Revision 1.25 1997/07/08 13:15:03 robertj</span>00091 <span class="comment"> * DLL support.</span>00092 <span class="comment"> *</span>00093 <span class="comment"> * Revision 1.24 1996/11/04 03:41:04 robertj</span>00094 <span class="comment"> * Added extra error message for UDP packet truncated.</span>00095 <span class="comment"> *</span>00096 <span class="comment"> * Revision 1.23 1996/09/14 13:09:17 robertj</span>00097 <span class="comment"> * Major upgrade:</span>00098 <span class="comment"> * rearranged sockets to help support IPX.</span>00099 <span class="comment"> * added indirect channel class and moved all protocols to descend from it,</span>00100 <span class="comment"> * separating the protocol from the low level byte transport.</span>00101 <span class="comment"> *</span>00102 <span class="comment"> * Revision 1.22 1996/08/17 10:00:19 robertj</span>00103 <span class="comment"> * Changes for Windows DLL support.</span>00104 <span class="comment"> *</span>00105 <span class="comment"> * Revision 1.21 1996/07/27 04:15:07 robertj</span>00106 <span class="comment"> * Created static version of ConvertOSError().</span>00107 <span class="comment"> * Created static version of GetErrorText().</span>00108 <span class="comment"> *</span>00109 <span class="comment"> * Revision 1.20 1996/05/26 03:24:40 robertj</span>00110 <span class="comment"> * Compatibility to GNU 2.7.x</span>00111 <span class="comment"> *</span>00112 <span class="comment"> * Revision 1.19 1996/04/15 12:33:03 robertj</span>00113 <span class="comment"> * Fixed SetReadTimeout/SetWriteTimeout to use const reference so works with GNU compiler.</span>00114 <span class="comment"> *</span>00115 <span class="comment"> * Revision 1.18 1996/04/14 02:53:30 robertj</span>00116 <span class="comment"> * Split serial and pipe channel into separate compilation units for Linux executable size reduction.</span>00117 <span class="comment"> *</span>00118 <span class="comment"> * Revision 1.17 1996/02/19 13:12:48 robertj</span>00119 <span class="comment"> * Added new error code for interrupted I/O.</span>00120 <span class="comment"> *</span>00121 <span class="comment"> * Revision 1.16 1996/01/23 13:09:14 robertj</span>00122 <span class="comment"> * Mac Metrowerks compiler support.</span>00123 <span class="comment"> *</span>00124 <span class="comment"> * Revision 1.15 1995/08/12 22:28:22 robertj</span>00125 <span class="comment"> * Work arounf for GNU bug: can't have private copy constructor with multiple inheritance.</span>00126 <span class="comment"> *</span>00127 <span class="comment"> * Revision 1.14 1995/07/31 12:15:42 robertj</span>00128 <span class="comment"> * Removed PContainer from PChannel ancestor.</span>00129 <span class="comment"> *</span>00130 <span class="comment"> * Revision 1.13 1995/06/17 11:12:21 robertj</span>00131 <span class="comment"> * Documentation update.</span>00132 <span class="comment"> *</span>00133 <span class="comment"> * Revision 1.12 1995/06/04 08:42:00 robertj</span>00134 <span class="comment"> * Fixed comment.</span>00135 <span class="comment"> *</span>00136 <span class="comment"> * Revision 1.11 1995/03/14 12:41:03 robertj</span>00137 <span class="comment"> * Updated documentation to use HTML codes.</span>00138 <span class="comment"> *</span>00139 <span class="comment"> * Revision 1.10 1995/03/12 04:36:53 robertj</span>00140 <span class="comment"> * Moved GetHandle() function from PFile to PChannel.</span>00141 <span class="comment"> *</span>00142 <span class="comment"> * Revision 1.9 1994/12/21 11:52:48 robertj</span>00143 <span class="comment"> * Documentation and variable normalisation.</span>00144 <span class="comment"> *</span>00145 <span class="comment"> * Revision 1.8 1994/11/28 12:31:40 robertj</span>⌨️ 快捷键说明
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