Dogcows Code - chaz/yoink/blob - src/moof/backend.hh

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #ifndef _MOOF_BACKEND_HH_
  13 #define _MOOF_BACKEND_HH_
  14
  15 /**
  16  * \file backend.hh
  17  * Initialize the backend libraries and subsystems.
  18  */
  19
  20
  21 namespace moof {
  22
  23
  24 /**
  25  * Some classes and subsystems require certain backend libraries to be
  26  * initialized.  This is the mechanism to accomplish that.  Classes which
  27  * rely on any backend libraries just need to instantiate this class as a
  28  * member.  Backend cleanup will occur automagically when there are no more
  29  * instances.
  30  */
  31 class backend
  32 {
  33 public:
  34
  35         /**
  36          * Construct a backend reference, initializing the backend if it hasn't
  37          * already been initialized.
  38          */
  39         backend();
  40
  41         /**
  42          * Get whether or not the backend has been initialized.
  43          * \return True if the backend is initialized, false otherwise.
  44          */
  45         static bool is_initialized();
  46
  47
  48         // The rest of this stuff is to implement the reference counting.
  49
  50         backend(const backend& backend);
  51         backend& operator=(const backend& backend);
  52         ~backend();
  53 };
  54
  55
  56 } // namespace moof
  57
  58 #endif // _MOOF_BACKEND_HH_
  59