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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * 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 files COPYING and Copyright.html.  COPYING can be found at the root   *
  * of the source code distribution tree; Copyright.html can be found at the  *
  * root level of an installed copy of the electronic HDF5 document set and   *
  * is linked from the top-level documents page.  It can also be found at     *
  * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
  * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#ifndef _H5Library_H
#define _H5Library_H

#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif

#define NOTATEXIT       (-10)   // just in case the HDF5 library use more
	// negative constants. Note: the solution used for the atexit/global
	// destructors is not reliable, and desperately needs improvement 
	// It is not even working, inifiteloop message still printed when
	// calling H5close

class H5_DLLCPP H5Library {
   public:
	static bool need_cleanup; // indicates if H5close should be called

	// 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 ); 

   private:
	// Default constructor - no instance ever created
	H5Library() {};

};
#ifndef H5_NO_NAMESPACE
}
#endif
#endif