163 constructor_args.push_oop(gcInfo_instance);
164 constructor_args.push_oop(getGcInfoBuilder(gcManager,THREAD));
165 constructor_args.push_long(gcStatInfo->gc_index());
166 constructor_args.push_long(gcStatInfo->start_time());
167 constructor_args.push_long(gcStatInfo->end_time());
168 constructor_args.push_oop(usage_before_gc_ah);
169 constructor_args.push_oop(usage_after_gc_ah);
170 constructor_args.push_oop(extra_array);
171
172 JavaCalls::call_special(&constructor_result,
173 ik,
174 vmSymbols::object_initializer_name(),
175 vmSymbols::com_sun_management_GcInfo_constructor_signature(),
176 &constructor_args,
177 CHECK_NH);
178
179 return Handle(gcInfo_instance());
180 }
181
182 void GCNotifier::sendNotification(TRAPS) {
183 ResourceMark rm(THREAD);
184 GCNotificationRequest *request = getRequest();
185 if(request != NULL) {
186 Handle objGcInfo = createGcInfo(request->gcManager,request->gcStatInfo,THREAD);
187
188 Handle objName = java_lang_String::create_from_platform_dependent_str(request->gcManager->name(), CHECK);
189 Handle objAction = java_lang_String::create_from_platform_dependent_str(request->gcAction, CHECK);
190 Handle objCause = java_lang_String::create_from_platform_dependent_str(request->gcCause, CHECK);
191
192 klassOop k = Management::sun_management_GarbageCollectorImpl_klass(CHECK);
193 instanceKlassHandle gc_mbean_klass (THREAD, k);
194
195 instanceOop gc_mbean = request->gcManager->get_memory_manager_instance(THREAD);
196 instanceHandle gc_mbean_h(THREAD, gc_mbean);
197 if (!gc_mbean_h->is_a(k)) {
198 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
199 "This GCMemoryManager doesn't have a GarbageCollectorMXBean");
200 }
201
202 JavaValue result(T_VOID);
203 JavaCallArguments args(gc_mbean_h);
204 args.push_long(request->timestamp);
205 args.push_oop(objName);
206 args.push_oop(objAction);
207 args.push_oop(objCause);
208 args.push_oop(objGcInfo);
209
210 JavaCalls::call_virtual(&result,
211 gc_mbean_klass,
212 vmSymbols::createGCNotification_name(),
213 vmSymbols::createGCNotification_signature(),
214 &args,
215 CHECK);
216 if (HAS_PENDING_EXCEPTION) {
217 CLEAR_PENDING_EXCEPTION;
218 }
219
220 delete request;
221 }
222 }
223
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163 constructor_args.push_oop(gcInfo_instance);
164 constructor_args.push_oop(getGcInfoBuilder(gcManager,THREAD));
165 constructor_args.push_long(gcStatInfo->gc_index());
166 constructor_args.push_long(gcStatInfo->start_time());
167 constructor_args.push_long(gcStatInfo->end_time());
168 constructor_args.push_oop(usage_before_gc_ah);
169 constructor_args.push_oop(usage_after_gc_ah);
170 constructor_args.push_oop(extra_array);
171
172 JavaCalls::call_special(&constructor_result,
173 ik,
174 vmSymbols::object_initializer_name(),
175 vmSymbols::com_sun_management_GcInfo_constructor_signature(),
176 &constructor_args,
177 CHECK_NH);
178
179 return Handle(gcInfo_instance());
180 }
181
182 void GCNotifier::sendNotification(TRAPS) {
183 GCNotifier::sendNotificationInternal(THREAD);
184 // Clearing pending exception to avoid premature termination of
185 // the service thread
186 if (HAS_PENDING_EXCEPTION) {
187 CLEAR_PENDING_EXCEPTION;
188 }
189 }
190
191 class NotificationMark : public StackObj {
192 // This class is used in GCNotifier::sendNotificationInternal to ensure that
193 // the GCNotificationRequest object is properly cleaned up, whatever path
194 // is used to exit the method.
195 GCNotificationRequest* _request;
196 public:
197 NotificationMark(GCNotificationRequest* r) {
198 _request = r;
199 }
200 ~NotificationMark() {
201 assert(_request != NULL, "Sanity check");
202 delete _request;
203 }
204 };
205
206 void GCNotifier::sendNotificationInternal(TRAPS) {
207 ResourceMark rm(THREAD);
208 HandleMark hm(THREAD);
209 GCNotificationRequest *request = getRequest();
210 if(request != NULL) {
211 NotificationMark nm(request);
212 Handle objGcInfo = createGcInfo(request->gcManager,request->gcStatInfo, THREAD);
213
214 Handle objName = java_lang_String::create_from_platform_dependent_str(request->gcManager->name(), CHECK);
215 Handle objAction = java_lang_String::create_from_platform_dependent_str(request->gcAction, CHECK);
216 Handle objCause = java_lang_String::create_from_platform_dependent_str(request->gcCause, CHECK);
217
218 klassOop k = Management::sun_management_GarbageCollectorImpl_klass(CHECK);
219 instanceKlassHandle gc_mbean_klass(THREAD, k);
220
221 instanceOop gc_mbean = request->gcManager->get_memory_manager_instance(THREAD);
222 instanceHandle gc_mbean_h(THREAD, gc_mbean);
223 if (!gc_mbean_h->is_a(k)) {
224 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
225 "This GCMemoryManager doesn't have a GarbageCollectorMXBean");
226 }
227
228 JavaValue result(T_VOID);
229 JavaCallArguments args(gc_mbean_h);
230 args.push_long(request->timestamp);
231 args.push_oop(objName);
232 args.push_oop(objAction);
233 args.push_oop(objCause);
234 args.push_oop(objGcInfo);
235
236 JavaCalls::call_virtual(&result,
237 gc_mbean_klass,
238 vmSymbols::createGCNotification_name(),
239 vmSymbols::createGCNotification_signature(),
240 &args,
241 CHECK);
242 }
243 }
244
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