15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
26 #define SHARE_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
27
28 #include "classfile/classLoaderDataGraph.hpp"
29
30 #include "classfile/javaClasses.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/atomicAccess.hpp"
33 #include "runtime/orderAccess.hpp"
34
35 inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader) {
36 guarantee(loader() != nullptr && oopDesc::is_oop(loader()), "Loader must be oop");
37 // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
38 // it's already in the loader_data, so no need to add
39 ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data_acquire(loader());
40 if (loader_data) {
41 return loader_data;
42 }
43 return ClassLoaderDataGraph::add(loader, false);
44 }
45
46 size_t ClassLoaderDataGraph::num_instance_classes() {
47 return AtomicAccess::load(&_num_instance_classes);
48 }
49
50 size_t ClassLoaderDataGraph::num_array_classes() {
51 return AtomicAccess::load(&_num_array_classes);
52 }
53
54 void ClassLoaderDataGraph::inc_instance_classes(size_t count) {
55 AtomicAccess::add(&_num_instance_classes, count, memory_order_relaxed);
56 }
57
58 void ClassLoaderDataGraph::dec_instance_classes(size_t count) {
59 size_t old_count = AtomicAccess::fetch_then_add(&_num_instance_classes, -count, memory_order_relaxed);
60 assert(old_count >= count, "Sanity");
61 }
62
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15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
26 #define SHARE_CLASSFILE_CLASSLOADERDATAGRAPH_INLINE_HPP
27
28 #include "classfile/classLoaderDataGraph.hpp"
29
30 #include "classfile/javaClasses.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/atomicAccess.hpp"
33 #include "runtime/orderAccess.hpp"
34
35 inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, bool& created) {
36 guarantee(loader() != nullptr && oopDesc::is_oop(loader()), "Loader must be oop");
37 // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
38 // it's already in the loader_data, so no need to add
39 ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data_acquire(loader());
40 if (loader_data) {
41 return loader_data;
42 }
43 created = true;
44 return ClassLoaderDataGraph::add(loader, false);
45 }
46
47 size_t ClassLoaderDataGraph::num_instance_classes() {
48 return AtomicAccess::load(&_num_instance_classes);
49 }
50
51 size_t ClassLoaderDataGraph::num_array_classes() {
52 return AtomicAccess::load(&_num_array_classes);
53 }
54
55 void ClassLoaderDataGraph::inc_instance_classes(size_t count) {
56 AtomicAccess::add(&_num_instance_classes, count, memory_order_relaxed);
57 }
58
59 void ClassLoaderDataGraph::dec_instance_classes(size_t count) {
60 size_t old_count = AtomicAccess::fetch_then_add(&_num_instance_classes, -count, memory_order_relaxed);
61 assert(old_count >= count, "Sanity");
62 }
63
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