diff options
Diffstat (limited to 'c++/src/H5Library.cpp')
| -rw-r--r-- | c++/src/H5Library.cpp | 118 |
1 files changed, 110 insertions, 8 deletions
diff --git a/c++/src/H5Library.cpp b/c++/src/H5Library.cpp index ecc5141..31856ec 100644 --- a/c++/src/H5Library.cpp +++ b/c++/src/H5Library.cpp @@ -14,10 +14,22 @@ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #include <string> +#include <cstdlib> -#include "H5CppDoc.h" // included only for Doxygen to generate part of RM +#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 "H5DxferProp.h" +#include "H5Object.h" +#include "H5DataType.h" +#include "H5DcreatProp.h" +#include "H5AtomType.h" +#include "H5PredType.h" +#include "H5DataSpace.h" #include "H5Library.h" #ifndef H5_NO_NAMESPACE @@ -25,8 +37,7 @@ namespace H5 { #endif #ifndef DOXYGEN_SHOULD_SKIP_THIS -// This static variable will be set to true when dontAtExit is called -bool H5Library::need_cleanup = false; +H5Library* H5Library::instance = 0; #endif // DOXYGEN_SHOULD_SKIP_THIS //-------------------------------------------------------------------------- @@ -63,18 +74,17 @@ void H5Library::close() //-------------------------------------------------------------------------- // Function: H5Library::dontAtExit -///\brief Instructs library not to install \c atexit cleanup routine +///\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() { herr_t ret_value = H5dont_atexit(); - if( ret_value < 0 ) - { - throw LibraryIException("H5Library::dontAtExit", "H5dont_atexit failed"); - } } //-------------------------------------------------------------------------- @@ -148,6 +158,91 @@ void H5Library::garbageCollect() } //-------------------------------------------------------------------------- +// Function: H5Library::initH5cpp +///\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", "Registration of termH5cpp failed"); + + ret_value = std::atexit(PredType::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of PredType::deleteConstants failed"); + + ret_value = std::atexit(PropList::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of PropList::deleteConstants failed"); + + ret_value = std::atexit(FileAccPropList::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of FileAccPropList::deleteConstants failed"); + + ret_value = std::atexit(FileCreatPropList::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of FileCreatPropList::deleteConstants failed"); + + ret_value = std::atexit(DSetMemXferPropList::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of DSetMemXferPropList::deleteConstants failed"); + + ret_value = std::atexit(DSetCreatPropList::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of DSetCreatPropList::deleteConstants failed"); + + ret_value = std::atexit(DataSpace::deleteConstants); + if (ret_value != 0) + throw LibraryIException("H5Library::initH5cpp", "Registration of DataSpace::deleteConstants failed"); +} + +//-------------------------------------------------------------------------- +// Function: H5Library::termH5cpp +///\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::getInstance +///\brief Provides a way to instantiate the class. +///\par Description +/// getInstance ensures that only one instance of the H5Library +/// is created. +// Programmer Binh-Minh Ribler - September, 2015 +//-------------------------------------------------------------------------- +H5Library* H5Library::getInstance() +{ + if (H5Library::instance == 0) + { + instance = new H5Library(); + } + return(instance); +} + +//-------------------------------------------------------------------------- // Function: H5Library::setFreeListLimits ///\brief Sets limits on the different kinds of free lists. ///\param reg_global_lim - IN: Limit on all "regular" free list memory used @@ -174,6 +269,13 @@ void H5Library::setFreeListLimits(int reg_global_lim, int reg_list_lim, throw LibraryIException("H5Library::setFreeListLimits", "H5set_free_list_limits failed"); } } + +// Default constructor - no instance ever created by outsiders +H5Library::H5Library(){}; + +// Destructor +H5Library::~H5Library(){}; + #ifndef H5_NO_NAMESPACE } // end namespace #endif |