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src/share/vm/services/gcNotifier.cpp
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@@ -77,12 +77,11 @@
return first_request != NULL;
}
static Handle getGcInfoBuilder(GCMemoryManager *gcManager,TRAPS) {
- Klass* k = Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(CHECK_NH);
- instanceKlassHandle gcMBeanKlass (THREAD, k);
+ Klass* gcMBeanKlass = Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(CHECK_NH);
instanceOop i = gcManager->get_memory_manager_instance(THREAD);
instanceHandle ih(THREAD, i);
JavaValue result(T_OBJECT);
@@ -100,20 +99,19 @@
static Handle createGcInfo(GCMemoryManager *gcManager, GCStatInfo *gcStatInfo,TRAPS) {
// Fill the arrays of MemoryUsage objects with before and after GC
// per pool memory usage
- Klass* mu_klass = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
- instanceKlassHandle mu_kh(THREAD, mu_klass);
+ InstanceKlass* mu_klass = Management::java_lang_management_MemoryUsage_klass(CHECK_NH);
// The array allocations below should use a handle containing mu_klass
// as the first allocation could trigger a GC, causing the actual
// klass oop to move, and leaving mu_klass pointing to the old
// location.
- objArrayOop bu = oopFactory::new_objArray(mu_kh(), MemoryService::num_memory_pools(), CHECK_NH);
+ objArrayOop bu = oopFactory::new_objArray(mu_klass, MemoryService::num_memory_pools(), CHECK_NH);
objArrayHandle usage_before_gc_ah(THREAD, bu);
- objArrayOop au = oopFactory::new_objArray(mu_kh(), MemoryService::num_memory_pools(), CHECK_NH);
+ objArrayOop au = oopFactory::new_objArray(mu_klass, MemoryService::num_memory_pools(), CHECK_NH);
objArrayHandle usage_after_gc_ah(THREAD, au);
for (int i = 0; i < MemoryService::num_memory_pools(); i++) {
Handle before_usage = MemoryService::create_MemoryUsage_obj(gcStatInfo->before_gc_usage_for_pool(i), CHECK_NH);
Handle after_usage;
@@ -133,12 +131,11 @@
// Current implementation only has 1 attribute (number of GC threads)
// The type is 'I'
objArrayOop extra_args_array = oopFactory::new_objArray(SystemDictionary::Integer_klass(), 1, CHECK_NH);
objArrayHandle extra_array (THREAD, extra_args_array);
- Klass* itKlass = SystemDictionary::Integer_klass();
- instanceKlassHandle intK(THREAD, itKlass);
+ InstanceKlass* intK = SystemDictionary::Integer_klass();
instanceHandle extra_arg_val = intK->allocate_instance_handle(CHECK_NH);
{
JavaValue res(T_VOID);
@@ -153,14 +150,13 @@
&argsInt,
CHECK_NH);
}
extra_array->obj_at_put(0,extra_arg_val());
- Klass* gcInfoklass = Management::com_sun_management_GcInfo_klass(CHECK_NH);
- instanceKlassHandle ik(THREAD, gcInfoklass);
+ InstanceKlass* gcInfoklass = Management::com_sun_management_GcInfo_klass(CHECK_NH);
- Handle gcInfo_instance = ik->allocate_instance_handle(CHECK_NH);
+ Handle gcInfo_instance = gcInfoklass->allocate_instance_handle(CHECK_NH);
JavaValue constructor_result(T_VOID);
JavaCallArguments constructor_args(16);
constructor_args.push_oop(gcInfo_instance);
constructor_args.push_oop(getGcInfoBuilder(gcManager,THREAD));
@@ -170,11 +166,11 @@
constructor_args.push_oop(usage_before_gc_ah);
constructor_args.push_oop(usage_after_gc_ah);
constructor_args.push_oop(extra_array);
JavaCalls::call_special(&constructor_result,
- ik,
+ gcInfoklass,
vmSymbols::object_initializer_name(),
vmSymbols::com_sun_management_GcInfo_constructor_signature(),
&constructor_args,
CHECK_NH);
@@ -214,17 +210,15 @@
Handle objGcInfo = createGcInfo(request->gcManager, request->gcStatInfo, CHECK);
Handle objName = java_lang_String::create_from_str(request->gcManager->name(), CHECK);
Handle objAction = java_lang_String::create_from_str(request->gcAction, CHECK);
Handle objCause = java_lang_String::create_from_str(request->gcCause, CHECK);
- Klass* k = Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(CHECK);
-
- instanceKlassHandle gc_mbean_klass(THREAD, k);
+ InstanceKlass* gc_mbean_klass = Management::com_sun_management_internal_GarbageCollectorExtImpl_klass(CHECK);
instanceOop gc_mbean = request->gcManager->get_memory_manager_instance(THREAD);
instanceHandle gc_mbean_h(THREAD, gc_mbean);
- if (!gc_mbean_h->is_a(k)) {
+ if (!gc_mbean_h->is_a(gc_mbean_klass)) {
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
"This GCMemoryManager doesn't have a GarbageCollectorMXBean");
}
JavaValue result(T_VOID);
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