// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef __H5Library_H
#define __H5Library_H

namespace H5 {

/*! \class H5Library
    \brief Class H5Library operates the HDF5 library globably.

    It is not necessary to construct an instance of H5Library to use the
    methods.
*/
class H5_DLLCPP H5Library {
   public:
        // Initializes the HDF5 library.
        static void open();

        // Flushes all data to disk, closes files, and cleans up memory.
        static void close();

        // Instructs library not to install atexit cleanup routine
        static void dontAtExit();

        // Returns the HDF library release number.
        static void getLibVersion(unsigned& majnum, unsigned& minnum, unsigned& relnum);

        // Verifies that the arguments match the version numbers compiled
        // into the library
        static void checkVersion(unsigned majnum, unsigned minnum, unsigned relnum);

        // Walks through all the garbage collection routines for the library,
        // which are supposed to free any unused memory they have allocated.
        static void garbageCollect();

        // Sets limits on the different kinds of free lists.
        static void setFreeListLimits(int reg_global_lim, int reg_list_lim, int
        arr_global_lim, int arr_list_lim, int blk_global_lim, int blk_list_lim);

        // Initializes C++ library and registers terminating functions at exit.
        // Only for the library functions, not for user-defined functions.
        static void initH5cpp(void);

        // Sends request for terminating the HDF5 library.
        static void termH5cpp(void);

#ifndef DOXYGEN_SHOULD_SKIP_THIS

   private:

        // Default constructor - no instance ever created from outsiders
        H5Library();

        // Destructor
        ~H5Library();
#endif // DOXYGEN_SHOULD_SKIP_THIS

}; // end of H5Library
} // namespace H5

#endif // __H5Library_H