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src/hotspot/share/classfile/classLoaderDataGraph.inline.hpp

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  33 inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader) {
  34   guarantee(loader() != NULL && oopDesc::is_oop(loader()), "Loader must be oop");
  35   // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
  36   // it's already in the loader_data, so no need to add
  37   ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data_acquire(loader());
  38   if (loader_data) {
  39      return loader_data;
  40   }
  41   return ClassLoaderDataGraph::add(loader, false);
  42 }
  43 
  44 size_t ClassLoaderDataGraph::num_instance_classes() {
  45   return _num_instance_classes;
  46 }
  47 
  48 size_t ClassLoaderDataGraph::num_array_classes() {
  49   return _num_array_classes;
  50 }
  51 
  52 void ClassLoaderDataGraph::inc_instance_classes(size_t count) {
  53   Atomic::add(count, &_num_instance_classes);
  54 }
  55 
  56 void ClassLoaderDataGraph::dec_instance_classes(size_t count) {
  57   assert(count <= _num_instance_classes, "Sanity");
  58   Atomic::sub(count, &_num_instance_classes);
  59 }
  60 
  61 void ClassLoaderDataGraph::inc_array_classes(size_t count) {
  62   Atomic::add(count, &_num_array_classes);
  63 }
  64 
  65 void ClassLoaderDataGraph::dec_array_classes(size_t count) {
  66   assert(count <= _num_array_classes, "Sanity");
  67   Atomic::sub(count, &_num_array_classes);
  68 }
  69 
  70 bool ClassLoaderDataGraph::should_clean_metaspaces_and_reset() {
  71   // Only clean metaspaces after full GC.
  72   bool do_cleaning = _safepoint_cleanup_needed;
  73 #if INCLUDE_JVMTI
  74   do_cleaning = do_cleaning && (_should_clean_deallocate_lists || InstanceKlass::has_previous_versions());
  75 #else
  76   do_cleaning = do_cleaning && _should_clean_deallocate_lists;
  77 #endif
  78   _safepoint_cleanup_needed = false;  // reset
  79   return do_cleaning;
  80 }
  81 
  82 #endif // SHARE_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP


  33 inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader) {
  34   guarantee(loader() != NULL && oopDesc::is_oop(loader()), "Loader must be oop");
  35   // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
  36   // it's already in the loader_data, so no need to add
  37   ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data_acquire(loader());
  38   if (loader_data) {
  39      return loader_data;
  40   }
  41   return ClassLoaderDataGraph::add(loader, false);
  42 }
  43 
  44 size_t ClassLoaderDataGraph::num_instance_classes() {
  45   return _num_instance_classes;
  46 }
  47 
  48 size_t ClassLoaderDataGraph::num_array_classes() {
  49   return _num_array_classes;
  50 }
  51 
  52 void ClassLoaderDataGraph::inc_instance_classes(size_t count) {
  53   Atomic::add(&_num_instance_classes, count);
  54 }
  55 
  56 void ClassLoaderDataGraph::dec_instance_classes(size_t count) {
  57   assert(count <= _num_instance_classes, "Sanity");
  58   Atomic::sub(&_num_instance_classes, count);
  59 }
  60 
  61 void ClassLoaderDataGraph::inc_array_classes(size_t count) {
  62   Atomic::add(&_num_array_classes, count);
  63 }
  64 
  65 void ClassLoaderDataGraph::dec_array_classes(size_t count) {
  66   assert(count <= _num_array_classes, "Sanity");
  67   Atomic::sub(&_num_array_classes, count);
  68 }
  69 
  70 bool ClassLoaderDataGraph::should_clean_metaspaces_and_reset() {
  71   // Only clean metaspaces after full GC.
  72   bool do_cleaning = _safepoint_cleanup_needed;
  73 #if INCLUDE_JVMTI
  74   do_cleaning = do_cleaning && (_should_clean_deallocate_lists || InstanceKlass::has_previous_versions());
  75 #else
  76   do_cleaning = do_cleaning && _should_clean_deallocate_lists;
  77 #endif
  78   _safepoint_cleanup_needed = false;  // reset
  79   return do_cleaning;
  80 }
  81 
  82 #endif // SHARE_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
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