blocxx
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00001 /******************************************************************************* 00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved. 00003 * Copyright (C) 2006, Novell, Inc. All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of 00014 * Vintela, Inc., 00015 * nor Novell, Inc., 00016 * nor the names of its contributors or employees may be used to 00017 * endorse or promote products derived from this software without 00018 * specific prior written permission. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00033 00039 #ifndef BLOCXX_SELECT_HPP_ 00040 #define BLOCXX_SELECT_HPP_ 00041 #include "blocxx/BLOCXX_config.h" 00042 #include "blocxx/Types.hpp" 00043 #include "blocxx/Array.hpp" 00044 #include "blocxx/SelectableIFC.hpp" 00045 #include "blocxx/Timeout.hpp" 00046 00047 // The classes and functions defined in this file are not meant for general 00048 // use, they are internal implementation details. They may change at any time. 00049 00050 namespace BLOCXX_NAMESPACE 00051 { 00052 00053 typedef Array<Select_t> SelectTypeArray; 00054 namespace Select 00055 { 00059 const int SELECT_TIMEOUT = -2; 00063 const int SELECT_ERROR = -1; 00067 const int SELECT_NOT_IMPLEMENTED = -4; 00071 const UInt32 INFINITE_TIMEOUT BLOCXX_DEPRECATED = ~0U; 00072 00086 BLOCXX_COMMON_API int select(const SelectTypeArray& selarray, UInt32 ms) BLOCXX_DEPRECATED; 00087 BLOCXX_COMMON_API int select(const SelectTypeArray& selarray, const Timeout& timeout = Timeout::infinite); 00088 00089 struct SelectObject 00090 { 00091 SelectObject(Select_t s_) 00092 : s(s_) 00093 , waitForRead(false) 00094 , waitForWrite(false) 00095 , readAvailable(false) 00096 , writeAvailable(false) 00097 , wasError(false) 00098 { 00099 } 00100 00101 Select_t s; 00103 bool waitForRead; 00105 bool waitForWrite; 00107 bool readAvailable; 00109 bool writeAvailable; 00111 bool wasError; 00112 }; 00113 typedef Array<SelectObject> SelectObjectArray; 00114 00129 BLOCXX_COMMON_API int selectRW(SelectObjectArray& selarray, const Timeout& timeout = Timeout::infinite); 00130 00131 BLOCXX_COMMON_API int selectRW(SelectObjectArray& selarray, UInt32 ms) BLOCXX_DEPRECATED; 00132 00133 } // end namespace Select 00134 00135 } // end namespace BLOCXX_NAMESPACE 00136 00137 #endif // BLOCXX_SELECT_HPP_