mirror of https://github.com/macssh/macssh.git
76 lines
3.9 KiB
C
76 lines
3.9 KiB
C
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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// % Project : GUSI - Grand Unified Socket Interface
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// % File : GUSINull.nw - Null device
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// % Author : Matthias Neeracher
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// % Language : C++
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// %
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// % $Log$
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// % Revision 1.1.1.1 2001/03/03 21:50:13 chombier
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// % Initial import
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// %
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// % Revision 1.7 2000/03/06 06:03:29 neeri
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// % Check device families for file paths
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// %
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// % Revision 1.6 1999/08/26 05:45:05 neeri
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// % Fixes for literate edition of source code
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// %
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// % Revision 1.5 1999/05/29 06:26:44 neeri
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// % Fixed header guards
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// %
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// % Revision 1.4 1999/04/29 05:34:22 neeri
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// % Support stat/fstat
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// %
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// % Revision 1.3 1999/03/17 09:05:10 neeri
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// % Added GUSITimer, expanded docs
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// %
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// % Revision 1.2 1998/11/22 23:06:59 neeri
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// % Releasing 2.0a4 in a hurry
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// %
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// % Revision 1.1 1998/08/01 21:32:09 neeri
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// % About ready for 2.0a1
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// %
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// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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//
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// \chapter{Null device}
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//
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// A [[GUSINullSocket]] implements the null socket class for MacTCP. All instances
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// of [[GUSINullSocket]] are created by the [[GUSINullDevice]] singleton, so
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// there is no point in exporting the class itself.
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//
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// <GUSINull.h>=
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#ifndef _GUSINull_
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#define _GUSINull_
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#ifdef GUSI_INTERNAL
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#include "GUSIDevice.h"
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// \section{Definition of [[GUSINullDevice]]}
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//
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// [[GUSINullDevice]] is a singleton subclass of [[GUSIDevice]].
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//
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// <Definition of class [[GUSINullDevice]]>=
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class GUSINullDevice : public GUSIDevice {
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public:
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static GUSINullDevice * Instance();
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virtual bool Want(GUSIFileToken & file);
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virtual GUSISocket * open(GUSIFileToken & file, int flags);
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virtual int stat(GUSIFileToken & file, struct stat * buf);
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GUSISocket * open();
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protected:
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GUSINullDevice() {}
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static GUSINullDevice * sInstance;
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};
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// <Inline member functions for class [[GUSINullDevice]]>=
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inline GUSINullDevice * GUSINullDevice::Instance()
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{
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if (!sInstance)
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sInstance = new GUSINullDevice;
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return sInstance;
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}
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#endif /* GUSI_INTERNAL */
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#endif /* _GUSINull_ */
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