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/*
* Copyright (C) 2007-2019 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#ifndef BU_FIFO_H
#define BU_FIFO_H
#include <stdint.h>
#include <sys/types.h>
#include <stdlib.h>
#include "bu/stream.h"
#include "bu/string.h"
#include "bu/exceptionbase.h"
namespace Bu
{
subExceptionDecl( FifoException );
/**
* A fifo stream.
*@ingroup Streams
*/
class Fifo : public Bu::Stream
{
public:
Fifo( const Bu::String &sName, int iFlags, mode_t mAcc=-1 );
virtual ~Fifo();
virtual void close();
virtual Bu::size read( void *pBuf, Bu::size nBytes );
virtual Bu::size write( const void *pBuf, Bu::size nBytes );
using Stream::write;
virtual Bu::size tell();
virtual void seek( Bu::size offset );
virtual void setPos( Bu::size pos );
virtual void setPosEnd( Bu::size pos );
virtual bool isEos();
virtual bool isOpen();
virtual void flush();
virtual bool canRead();
virtual bool canWrite();
virtual bool isReadable();
virtual bool isWritable();
virtual bool isSeekable();
virtual bool isBlocking();
virtual void setBlocking( bool bBlocking=true );
enum {
Read = 0x01,
Write = 0x02,
Create = 0x04,
Delete = 0x08,
NonBlock = 0x10
};
private:
int iFlags;
int iIn;
int iOut;
};
}
#endif
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