8151099: java.lang.management.ManagementFactory.getPlatformMXBeans() should work even if jdk.management is not present.
Summary: Removed dependency of java.management over jdk.management.
Reviewed-by: mchung, dfuchs, dholmes
Contributed-by: amit.sapre@oracle.com
--- a/hotspot/src/share/vm/services/management.cpp Mon Oct 24 14:12:32 2016 -0700
+++ b/hotspot/src/share/vm/services/management.cpp Wed Oct 26 14:58:14 2016 +0530
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -173,6 +173,20 @@
Klass* Management::load_and_initialize_klass(Symbol* sh, TRAPS) {
Klass* k = SystemDictionary::resolve_or_fail(sh, true, CHECK_NULL);
+ Klass* ik = initialize_klass(k, CHECK_NULL);
+ return ik;
+}
+
+Klass* Management::load_and_initialize_klass_or_null(Symbol* sh, TRAPS) {
+ Klass* k = SystemDictionary::resolve_or_null(sh, CHECK_NULL);
+ if (k == NULL) {
+ return NULL;
+ }
+ Klass* ik = initialize_klass(k, CHECK_NULL);
+ return ik;
+}
+
+Klass* Management::initialize_klass(Klass* k, TRAPS) {
instanceKlassHandle ik (THREAD, k);
if (ik->should_be_initialized()) {
ik->initialize(CHECK_NULL);
@@ -255,7 +269,8 @@
Klass* Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(TRAPS) {
if (_garbageCollectorExtImpl_klass == NULL) {
- _garbageCollectorExtImpl_klass = load_and_initialize_klass(vmSymbols::com_sun_management_internal_GarbageCollectorExtImpl(), CHECK_NULL);
+ _garbageCollectorExtImpl_klass =
+ load_and_initialize_klass_or_null(vmSymbols::com_sun_management_internal_GarbageCollectorExtImpl(), CHECK_NULL);
}
return _garbageCollectorExtImpl_klass;
}
--- a/hotspot/src/share/vm/services/management.hpp Mon Oct 24 14:12:32 2016 -0700
+++ b/hotspot/src/share/vm/services/management.hpp Wed Oct 26 14:58:14 2016 +0530
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -53,6 +53,8 @@
static Klass* _sensor_klass;
static Klass* _threadInfo_klass;
static Klass* load_and_initialize_klass(Symbol* sh, TRAPS);
+ static Klass* load_and_initialize_klass_or_null(Symbol* sh, TRAPS);
+ static Klass* initialize_klass(Klass* k, TRAPS);
public:
static void init();