HDF5: Use strong file close FAPL

writer/HDF5Objects.cpp

@@ -348,6 +348,10 @@ void HDF5Fapl::SetVersionTo1p10orNewer() {
     H5Pset_libver_bounds(id, H5F_LIBVER_V110, H5F_LIBVER_LATEST);
 }
 
+void HDF5Fapl::SetCloseStrong() {
+    H5Pset_fclose_degree(id, H5F_CLOSE_STRONG);
+}
+
 template <typename T>
 static HDF5Object& WriteOrCreateScalarAttr(HDF5Object& object, const std::string& name, const T& val) {
     HDF5DataSpace dataspace(HDF5DataSpace::Scalar);
@@ -731,6 +735,8 @@ HDF5File::HDF5File(const std::string& filename, bool v1_10) : HDF5Object() {
 
     if (v1_10)
         fapl.SetVersionTo1p10orNewer();
+    fapl.SetCloseStrong();
+
     id = H5Fcreate(filename.c_str(), H5F_ACC_TRUNC, H5P_DEFAULT, fapl.GetID());
     if (id < 0)
         throw JFJochException(JFJochExceptionCategory::HDF5, "Cannot open/create data HDF5 file " + filename);

writer/HDF5Objects.h

@@ -123,6 +123,7 @@ public:
     HDF5Fapl();
     ~HDF5Fapl();
     void SetVersionTo1p10orNewer();
+    void SetCloseStrong();
 };
 
 class HDF5Object : public HDF5Id {