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8261921: ClassListParser::current should be used only by main thread

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Reviewed-by: dholmes, ccheung, coleenp
This commit is contained in:
Ioi Lam 2021-02-23 03:11:47 +00:00
parent 991f7c1303
commit 8cfea7c523
5 changed files with 35 additions and 17 deletions
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19
src/hotspot/share/classfile/systemDictionaryShared.cpp
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@ -1196,18 +1196,23 @@ bool SystemDictionaryShared::add_unregistered_class(InstanceKlass* k, TRAPS) {
return created;
}
// This function is called to resolve the super/interfaces of shared classes for
// non-built-in loaders. E.g., SharedClass in the below example
// This function is called to lookup the super/interfaces of shared classes for
// unregistered loaders. E.g., SharedClass in the below example
// where "super:" (and optionally "interface:") have been specified.
//
// java/lang/Object id: 0
// Interface id: 2 super: 0 source: cust.jar
// Interface id: 2 super: 0 source: cust.jar
// SharedClass id: 4 super: 0 interfaces: 2 source: cust.jar
InstanceKlass* SystemDictionaryShared::dump_time_resolve_super_or_fail(
Symbol* class_name, Symbol* super_name, Handle class_loader,
Handle protection_domain, bool is_superclass, TRAPS) {
InstanceKlass* SystemDictionaryShared::lookup_super_for_unregistered_class(
Symbol* class_name, Symbol* super_name, bool is_superclass) {
assert(DumpSharedSpaces, "only when dumping");
assert(DumpSharedSpaces, "only when static dumping");
if (!ClassListParser::is_parsing_thread()) {
// Unregistered classes can be created only by ClassListParser::_parsing_thread.
return NULL;
}
ClassListParser* parser = ClassListParser::instance();
if (parser == NULL) {