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This commit is contained in:
Vladimir Kozlov 2014-07-11 14:32:02 -07:00
commit 009f0fb913
8 changed files with 236 additions and 4 deletions
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17
hotspot/src/share/vm/classfile/classLoaderData.cpp
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@ -777,11 +777,22 @@ bool ClassLoaderDataGraph::do_unloading(BoolObjectClosure* is_alive_closure) {
// unneeded entries.
bool has_redefined_a_class = JvmtiExport::has_redefined_a_class();
MetadataOnStackMark md_on_stack;
while (data != NULL) {
if (data->is_alive(is_alive_closure)) {
if (has_redefined_a_class) {
if (has_redefined_a_class) {
// purge_previous_versions also cleans weak method links. Because
// one method's MDO can reference another method from another
// class loader, we need to first clean weak method links for all
// class loaders here. Below, we can then free redefined methods
// for all class loaders.
while (data != NULL) {
if (data->is_alive(is_alive_closure)) {
data->classes_do(InstanceKlass::purge_previous_versions);
}
data = data->next();
}
}
data = _head;
while (data != NULL) {
if (data->is_alive(is_alive_closure)) {
data->free_deallocate_list();
prev = data;
data = data->next();