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

   1
   2 /*]  Copyright (c) 2009-2011, Charles McGarvey  [*****************************
   3 **]  All rights reserved.
   4 *
   5 * Distributable under the terms and conditions of the 2-clause BSD license;
   6 * see the file COPYING for a complete text of the license.
   7 *
   8 *****************************************************************************/
   9
  10 #ifndef _MOOF_BACKEND_HH_
  11 #define _MOOF_BACKEND_HH_
  12
  13 /**
  14  * \file backend.hh
  15  * Initialize the backend libraries and subsystems.
  16  */
  17
  18
  19 namespace moof {
  20
  21
  22 /**
  23  * Some classes and subsystems require certain backend libraries to be
  24  * initialized.  This is the mechanism to accomplish that.  Classes which rely
  25  * on any backend libraries just need to instantiate this class as a member.
  26  * Backend cleanup will occur automagically when there are no more instances.
  27  */
  28 class backend
  29 {
  30 public:
  31
  32         /**
  33          * Construct a backend reference, initializing the backend if it
  34          * hasn't already been initialized.
  35          */
  36         backend();
  37
  38         /**
  39          * Get whether or not the backend has been initialized.
  40          * \return True if the backend is initialized, false otherwise.
  41          */
  42         static bool is_initialized();
  43
  44         /* The rest of this stuff is to implement the reference counting. */
  45
  46         backend(const backend& backend);
  47         backend& operator = (const backend& backend);
  48         ~backend();
  49 };
  50
  51
  52 } // namespace moof
  53
  54 #endif // _MOOF_BACKEND_HH_
  55