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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <string>
#include <cstdlib>
#include "H5CppDoc.h" // included only for Doxygen to generate part of RM
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5FaccProp.h"
#include "H5FcreatProp.h"
#include "H5OcreatProp.h"
#include "H5DxferProp.h"
#include "H5DcreatProp.h"
#include "H5Location.h"
#include "H5Object.h"
#include "H5DataType.h"
#include "H5AtomType.h"
#include "H5PredType.h"
#include "H5DataSpace.h"
#include "H5Library.h"
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
//--------------------------------------------------------------------------
// Function: H5Library::open (static)
///\brief Initializes the HDF5 library.
///
///\exception H5::LibraryIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void H5Library::open()
{
herr_t ret_value = H5open();
if( ret_value < 0 )
{
throw LibraryIException("H5Library::open", "H5open failed");
}
}
//--------------------------------------------------------------------------
// Function: H5Library::close (static)
///\brief Flushes all data to disk, closes files, and cleans up memory.
///
///\exception H5::LibraryIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void H5Library::close()
{
herr_t ret_value = H5close();
if( ret_value < 0 )
{
throw LibraryIException("H5Library::close", "H5close failed");
}
}
//--------------------------------------------------------------------------
// Function: H5Library::dontAtExit (static)
///\brief Instructs library not to install the C \c atexit cleanup routine
///
///\exception H5::LibraryIException
// Programmer Binh-Minh Ribler - 2000
// Modification
// Removed the check for failure returned from H5dont_atexit.
// will be fixed to not fail (HDFFV-9540)
//--------------------------------------------------------------------------
void H5Library::dontAtExit()
{
(void)H5dont_atexit();
}
//--------------------------------------------------------------------------
// Function: H5Library::getLibVersion (static)
///\brief Returns the HDF library release number.
///\param majnum - OUT: Major version of the library
///\param minnum - OUT: Minor version of the library
///\param relnum - OUT: Release number of the library
///\exception H5::LibraryIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void H5Library::getLibVersion( unsigned& majnum, unsigned& minnum, unsigned& relnum )
{
herr_t ret_value = H5get_libversion( &majnum, &minnum, &relnum );
if( ret_value < 0 )
{
throw LibraryIException("H5Library::getLibVersion", "H5get_libversion failed");
}
}
//--------------------------------------------------------------------------
// Function: H5Library::checkVersion (static)
///\brief Verifies that the arguments match the version numbers
/// compiled into the library
///\param majnum - IN: Major version of the library
///\param minnum - IN: Minor version of the library
///\param relnum - IN: Release number of the library
///\exception H5::LibraryIException
///\par Description
/// For information about library version, please refer to
/// the C layer Reference Manual at:
/// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5.html#Library-VersCheck
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void H5Library::checkVersion(unsigned majnum, unsigned minnum, unsigned relnum)
{
herr_t ret_value = H5check_version(majnum, minnum, relnum);
if( ret_value < 0 )
{
throw LibraryIException("H5Library::checkVersion", "H5check_version failed");
}
}
//--------------------------------------------------------------------------
// Function: H5Library::garbageCollect (static)
///\brief Walks through all the garbage collection routines for the
/// library, which are supposed to free any unused memory they
/// have allocated.
///
///\exception H5::LibraryIException
///\par Description
/// It is not required that H5Library::garbageCollect be called
/// at any particular time; it is only necessary in certain
/// situations, such as when the application has performed actions
/// that cause the library to allocate many objects. The
/// application should call H5Library::garbageCollect if it
/// eventually releases those objects and wants to reduce the
/// memory used by the library from the peak usage required.
///\par
/// The library automatically garbage collects all the free
/// lists when the application ends.
// Programmer Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void H5Library::garbageCollect()
{
herr_t ret_value = H5garbage_collect();
if( ret_value < 0 )
{
throw LibraryIException("H5Library::garbageCollect", "H5garbage_collect failed");
}
}
//--------------------------------------------------------------------------
// Function: H5Library::initH5cpp (static)
///\brief Initializes C++ library and registers terminating functions at
/// exit. Only for the library functions, not for user-defined
/// functions.
// Description
// initH5cpp registers the following functions with std::atexit():
// termH5cpp() - calls H5close() after all cleanup in
// the C++ library is done
// <classname>::deleteConstants - deletes all references
// for <classname> global constants
///\exception H5::LibraryIException
//
// Programmer Binh-Minh Ribler - September, 2015
//--------------------------------------------------------------------------
void H5Library::initH5cpp()
{
// Register terminating functions with atexit(); they will be invoked in
// the reversed order
int ret_value = 0;
ret_value = std::atexit(termH5cpp);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating termH5cpp failed");
ret_value = std::atexit(PredType::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating PredType::deleteConstants failed");
ret_value = std::atexit(PropList::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating PropList::deleteConstants failed");
ret_value = std::atexit(FileAccPropList::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating FileAccPropList::deleteConstants failed");
ret_value = std::atexit(FileCreatPropList::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating FileCreatPropList::deleteConstants failed");
ret_value = std::atexit(DSetMemXferPropList::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating DSetMemXferPropList::deleteConstants failed");
ret_value = std::atexit(DSetCreatPropList::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating DSetCreatPropList::deleteConstants failed");
ret_value = std::atexit(ObjCreatPropList::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating ObjCreatPropList::deleteConstants failed");
ret_value = std::atexit(DataSpace::deleteConstants);
if (ret_value != 0)
throw LibraryIException("H5Library::initH5cpp", "Registrating DataSpace::deleteConstants failed");
}
//--------------------------------------------------------------------------
// Function: H5Library::termH5cpp (static)
///\brief Sends request for the C layer to terminate.
///\par Description
/// If the C library fails to terminate, exit with a failure.
// Programmer Binh-Minh Ribler - September, 2015
//--------------------------------------------------------------------------
void H5Library::termH5cpp()
{
// Close the C library
herr_t ret_value = H5close();
if (ret_value == -1)
exit(-1);
}
//--------------------------------------------------------------------------
// Function: H5Library::setFreeListLimits (static)
///\brief Sets limits on the different kinds of free lists.
///\param reg_global_lim - IN: Limit on all "regular" free list memory used
///\param reg_list_lim - IN: Limit on memory used in each "regular" free list
///\param arr_global_lim - IN: Limit on all "array" free list memory used
///\param arr_list_lim - IN: Limit on memory used in each "array" free list
///\param blk_global_lim - IN: Limit on all "block" free list memory used
///\param blk_list_lim - IN: Limit on memory used in each "block" free list
///\exception H5::LibraryIException
///\par Description
/// Setting a value of -1 for a limit means no limit of that type.
/// For more information on free list limits, please refer to C
/// layer Reference Manual at:
/// http://www.hdfgroup.org/HDF5/doc/RM/RM_H5.html#Library-SetFreeListLimits
// Programmer Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void H5Library::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)
{
herr_t ret_value = H5set_free_list_limits(reg_global_lim, reg_list_lim, arr_global_lim, arr_list_lim, blk_global_lim, blk_list_lim);
if( ret_value < 0 )
{
throw LibraryIException("H5Library::setFreeListLimits", "H5set_free_list_limits failed");
}
}
// Default constructor - private
H5Library::H5Library(){}
// Destructor - private
H5Library::~H5Library(){}
#ifndef H5_NO_NAMESPACE
} // end namespace
#endif
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