190
191 Thread* thr = Thread::current();
192 assert(thr->is_Java_thread(), "invariant");
193 JavaThread* jt = (JavaThread*)thr;
194 ThreadToNativeFromVM native(jt);
195
196 MutexLockerEx x(FullGCCount_lock, Mutex::_no_safepoint_check_flag);
197 while (g1h->old_marking_cycles_completed() <=
198 _old_marking_cycles_completed_before) {
199 FullGCCount_lock->wait(Mutex::_no_safepoint_check_flag);
200 }
201 }
202 }
203 }
204
205 void VM_CGC_Operation::doit() {
206 GCIdMark gc_id_mark(_gc_id);
207 GCTraceCPUTime tcpu;
208 G1CollectedHeap* g1h = G1CollectedHeap::heap();
209 GCTraceTime(Info, gc) t(_printGCMessage, g1h->concurrent_mark()->gc_timer_cm(), GCCause::_no_gc, true);
210 IsGCActiveMark x;
211 _cl->do_void();
212 }
213
214 bool VM_CGC_Operation::doit_prologue() {
215 Heap_lock->lock();
216 return true;
217 }
218
219 void VM_CGC_Operation::doit_epilogue() {
220 if (Universe::has_reference_pending_list()) {
221 Heap_lock->notify_all();
222 }
223 Heap_lock->unlock();
224 }
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190
191 Thread* thr = Thread::current();
192 assert(thr->is_Java_thread(), "invariant");
193 JavaThread* jt = (JavaThread*)thr;
194 ThreadToNativeFromVM native(jt);
195
196 MutexLockerEx x(FullGCCount_lock, Mutex::_no_safepoint_check_flag);
197 while (g1h->old_marking_cycles_completed() <=
198 _old_marking_cycles_completed_before) {
199 FullGCCount_lock->wait(Mutex::_no_safepoint_check_flag);
200 }
201 }
202 }
203 }
204
205 void VM_CGC_Operation::doit() {
206 GCIdMark gc_id_mark(_gc_id);
207 GCTraceCPUTime tcpu;
208 G1CollectedHeap* g1h = G1CollectedHeap::heap();
209 GCTraceTime(Info, gc) t(_printGCMessage, g1h->concurrent_mark()->gc_timer_cm(), GCCause::_no_gc, true);
210 TraceCollectorStats tcs(g1h->g1mm()->conc_collection_counters());
211 SvcGCMarker sgcm(SvcGCMarker::CONCURRENT);
212 IsGCActiveMark x;
213 _cl->do_void();
214 }
215
216 bool VM_CGC_Operation::doit_prologue() {
217 Heap_lock->lock();
218 return true;
219 }
220
221 void VM_CGC_Operation::doit_epilogue() {
222 if (Universe::has_reference_pending_list()) {
223 Heap_lock->notify_all();
224 }
225 Heap_lock->unlock();
226 }
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