Utils/intrusive_refcount.hh

   1 // $Id$
   2 //
   3 // Copyright (C) 2006
   4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
   5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
   6 //     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 #ifndef HH_intrusive_refcount_
  24 #define HH_intrusive_refcount_ 1
  25
  26 // Custom includes
  27 #include <boost/utility.hpp>
  28
  29 //#include "intrusive_refcount.mpp"
  30 ///////////////////////////////hh.p////////////////////////////////////////
  31
  32 namespace senf {
  33
  34
  35     /** \brief
  36      */
  37     class intrusive_refcount
  38         : public boost::noncopyable
  39     {
  40     public:
  41         typedef unsigned refcount_t;
  42
  43         virtual ~intrusive_refcount();
  44
  45         refcount_t refcount();
  46         bool is_shared();
  47
  48     protected:
  49         intrusive_refcount();
  50
  51     private:
  52         void add_ref();
  53         bool release();
  54
  55         refcount_t refcount_;
  56
  57         friend void senf::intrusive_ptr_add_ref(intrusive_refcount* p);
  58         friend void senf::intrusive_ptr_release(intrusive_refcount* p);
  59     };
  60
  61     void intrusive_ptr_add_ref(intrusive_refcount* p);
  62     void intrusive_ptr_release(intrusive_refcount* p);
  63 }
  64
  65 ///////////////////////////////hh.e////////////////////////////////////////
  66 #include "intrusive_refcount.cci"
  67 //#include "intrusive_refcount.ct"
  68 //#include "intrusive_refcount.cti"
  69 #endif
  70
  71 \f
  72 // Local Variables:
  73 // mode: c++
  74 // c-file-style: "senf"
  75 // End: