PosixUnnamedPipe.hpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 Novell, Inc. All rights reserved.
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00005 * Redistribution and use in source and binary forms, with or without
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00008 *  - Redistributions of source code must retain the above copyright notice,
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00031 
00032 
00037 #ifndef BLOCXX_POSIX_UNNAMED_PIPE_HPP_
00038 #define BLOCXX_POSIX_UNNAMED_PIPE_HPP_
00039 #include "blocxx/BLOCXX_config.h"
00040 #include "blocxx/UnnamedPipe.hpp"
00041 #include "blocxx/IntrusiveReference.hpp"
00042 
00043 // The classes and functions defined in this file are not meant for general
00044 // use, they are internal implementation details.  They may change at any time.
00045 
00046 namespace BLOCXX_NAMESPACE
00047 {
00048 
00049 class BLOCXX_COMMON_API PosixUnnamedPipe : public UnnamedPipe
00050 {
00051 public:
00052    PosixUnnamedPipe(EOpen doOpen=E_OPEN);
00053    virtual ~PosixUnnamedPipe();
00054    virtual int write(const void* data, int dataLen, bool errorAsException=false);
00055    virtual int read(void* buffer, int bufferLen, bool errorAsException=false);
00056    int getInputHandle() { return m_fds[0]; }
00057    int getOutputHandle() { return m_fds[1]; }
00058    virtual void open();
00059    virtual int close();
00060    virtual bool isOpen() const; 
00061    int closeInputHandle();
00062    int closeOutputHandle();
00063    virtual void setBlocking(EBlockingMode outputIsBlocking=E_BLOCKING);
00064    virtual Select_t getSelectObj() const;
00065    virtual Select_t getWriteSelectObj() const; 
00066 private:
00067    int m_fds[2];
00068 #ifdef BLOCXX_WIN32
00069    int m_events[2];
00070    EBlockingMode m_blocking[2];
00071 #else
00072    EBlockingMode m_blocking;
00073 #endif
00074 };
00075 typedef IntrusiveReference<PosixUnnamedPipe> PosixUnnamedPipeRef;
00076 
00077 } // end namespace BLOCXX_NAMESPACE
00078 
00079 #endif

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