GNU Radio 2.x: gr_vmcircbuf_createfilemapping.h Source File

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# gr_vmcircbuf_createfilemapping.h

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    00001 /* -*- c++ -*- */
    00002 /*
    00003  * Copyright 2003,2005 Free Software Foundation, Inc.
    00004  *
    00005  * This file is part of GNU Radio
    00006  *
    00007  * GNU Radio is free software; you can redistribute it and/or modify
    00008  * it under the terms of the GNU General Public License as published by
    00009  * the Free Software Foundation; either version 2, or (at your option)
    00010  * any later version.
    00011  *
    00012  * GNU Radio is distributed in the hope that it will be useful,
    00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00015  * GNU General Public License for more details.
    00016  *
    00017  * You should have received a copy of the GNU General Public License
    00018  * along with GNU Radio; see the file COPYING.  If not, write to
    00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    00020  * Boston, MA 02111-1307, USA.
    00021  */
    00022
    00023 #ifndef _GR_VMCIRCBUF_CREATEFILEMAPPING_H_
    00024 #define _GR_VMCIRCBUF_CREATEFILEMAPPING_H_
    00025
    00026 #include <gr_vmcircbuf.h>
    00027
    00028 #ifdef HAVE_CREATEFILEMAPPING
    00029 #include <windows.h>
    00030 #endif
    00031
    00034 class gr_vmcircbuf_createfilemapping : public gr_vmcircbuf
    00035 {
    00036  public:
    00037    // CREATORS
    00038    gr_vmcircbuf_createfilemapping (int size);
    00039    virtual ~gr_vmcircbuf_createfilemapping ();
    00040 #ifdef HAVE_CREATEFILEMAPPING
    00041  private:
    00042    HANDLE d_handle;
    00043    LPVOID d_first_copy;
    00044    LPVOID d_second_copy;
    00045 #endif
    00046 };
    00047
    00051 class gr_vmcircbuf_createfilemapping_factory : public gr_vmcircbuf_factory
    00052 {
    00053  private:
    00054   static gr_vmcircbuf_factory *s_the_factory;
    00055
    00056  public:
    00057   static gr_vmcircbuf_factory *singleton ();
    00058
    00059   virtual const char *name () const { return "gr_vmcircbuf_createfilemapping_factory"; }
    00060
    00064   virtual int granularity ();
    00065
    00071   virtual gr_vmcircbuf *make (int size);
    00072 };
    00073
    00074 #endif /* _GR_VMCIRCBUF_CREATEFILEMAPPING_H_ */