00001 /******************************************************************************* 00002 * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * 00007 * - Redistributions of source code must retain the above copyright notice, 00008 * this list of conditions and the following disclaimer. 00009 * 00010 * - Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * - Neither the name of Vintela, Inc. nor the names of its 00015 * contributors may be used to endorse or promote products derived from this 00016 * software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS 00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 *******************************************************************************/ 00030 00035 #ifndef OW_POSIX_UNNAMED_PIPE_HPP_ 00036 #define OW_POSIX_UNNAMED_PIPE_HPP_ 00037 #include "OW_config.h" 00038 #include "OW_UnnamedPipe.hpp" 00039 #include "OW_IntrusiveReference.hpp" 00040 00041 // The classes and functions defined in this file are not meant for general 00042 // use, they are internal implementation details. They may change at any time. 00043 00044 namespace OW_NAMESPACE 00045 { 00046 00047 class OW_COMMON_API PosixUnnamedPipe : public UnnamedPipe 00048 { 00049 public: 00050 PosixUnnamedPipe(EOpen doOpen=E_OPEN); 00051 virtual ~PosixUnnamedPipe(); 00052 virtual int write(const void* data, int dataLen, bool errorAsException=false); 00053 virtual int read(void* buffer, int bufferLen, bool errorAsException=false); 00054 int getInputHandle() { return m_fds[0]; } 00055 int getOutputHandle() { return m_fds[1]; } 00056 virtual void open(); 00057 virtual int close(); 00058 virtual bool isOpen() const; 00059 int closeInputHandle(); 00060 int closeOutputHandle(); 00061 virtual void setOutputBlocking(bool outputIsBlocking=true) OW_DEPRECATED; // in 3.0.0 00062 virtual void setBlocking(EBlockingMode outputIsBlocking=E_BLOCKING); 00063 virtual Select_t getSelectObj() const; 00064 virtual Select_t getWriteSelectObj() const; 00065 private: 00066 int m_fds[2]; 00067 #ifdef OW_WIN32 00068 int m_events[2]; 00069 EBlockingMode m_blocking[2]; 00070 #else 00071 EBlockingMode m_blocking; 00072 #endif 00073 }; 00074 typedef IntrusiveReference<PosixUnnamedPipe> PosixUnnamedPipeRef; 00075 00076 } // end namespace OW_NAMESPACE 00077 00078 #endif