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 00038 #ifndef BLOCXX_POSIX_UNNAMED_PIPE_HPP_ 00039 #define BLOCXX_POSIX_UNNAMED_PIPE_HPP_ 00040 #include "blocxx/BLOCXX_config.h" 00041 #include "blocxx/UnnamedPipe.hpp" 00042 #include "blocxx/IntrusiveReference.hpp" 00043 00044 // The classes and functions defined in this file are not meant for general 00045 // use, they are internal implementation details. They may change at any time. 00046 00047 namespace BLOCXX_NAMESPACE 00048 { 00049 00050 class BLOCXX_COMMON_API PosixUnnamedPipe : public UnnamedPipe 00051 { 00052 public: 00053 PosixUnnamedPipe(EOpen doOpen=E_OPEN); 00056 // 00057 PosixUnnamedPipe(AutoDescriptor inputfd, AutoDescriptor outputfd); 00058 virtual ~PosixUnnamedPipe(); 00059 virtual int write(const void* data, int dataLen, ErrorAction errorAsException = E_RETURN_ON_ERROR); 00060 virtual int read(void* buffer, int bufferLen, ErrorAction errorAsException = E_RETURN_ON_ERROR); 00061 Descriptor getInputHandle() const { return m_fds[0]; } 00062 Descriptor getOutputHandle() const { return m_fds[1]; } 00063 virtual void open(); 00064 virtual int close(); 00065 virtual bool isOpen() const; 00066 virtual int closeInputHandle(); 00067 virtual int closeOutputHandle(); 00068 virtual void setBlocking(EBlockingMode outputIsBlocking=E_BLOCKING); 00069 virtual void setWriteBlocking(EBlockingMode isBlocking=E_BLOCKING); 00070 virtual void setReadBlocking(EBlockingMode isBlocking=E_BLOCKING); 00071 virtual EBlockingMode getReadBlocking() const; 00072 virtual EBlockingMode getWriteBlocking() const; 00073 virtual Select_t getReadSelectObj() const; 00074 virtual Select_t getWriteSelectObj() const; 00075 virtual Descriptor getInputDescriptor() const; 00076 virtual Descriptor getOutputDescriptor() const; 00077 virtual void passDescriptor(Descriptor h, const UnnamedPipeRef& ackPipe = 0, const ProcessRef& targetProcess = 0); 00078 virtual AutoDescriptor receiveDescriptor(const UnnamedPipeRef& ackPipe); 00079 00080 private: 00081 // unimplemented 00082 PosixUnnamedPipe(const PosixUnnamedPipe& x); 00083 PosixUnnamedPipe& operator=(const PosixUnnamedPipe& x); 00084 00085 00086 Descriptor m_fds[2]; 00087 EBlockingMode m_blocking[2]; 00088 }; 00089 typedef IntrusiveReference<PosixUnnamedPipe> PosixUnnamedPipeRef; 00090 00091 } // end namespace BLOCXX_NAMESPACE 00092 00093 #endif