277     GetStackTraceDirectClosure closure(frame_buffer,  in GetStackTrace()  local
281     if (!thread->RequestSynchronousCheckpoint(&closure)) {  in GetStackTrace()
284     *count_ptr = static_cast<jint>(closure.index);  in GetStackTrace()
285     if (closure.index == 0) {  in GetStackTrace()
292     GetStackTraceVectorClosure closure(0, 0);  in GetStackTrace()  local
294     if (!thread->RequestSynchronousCheckpoint(&closure)) {  in GetStackTrace()
298     return TranslateFrameVector(closure.frames,  in GetStackTrace()
300                                 closure.start_result,  in GetStackTrace()
350   GetAllStackTracesVectorClosure<Data> closure(max_frame_count, data);  in RunCheckpointAndWait()  local
351   size_t barrier_count = art::Runtime::Current()->GetThreadList()->RunCheckpoint(&closure, nullptr);  in RunCheckpointAndWait()
357   closure.barrier.Increment(self, barrier_count);  in RunCheckpointAndWait()
730   GetFrameCountClosure closure;  in GetFrameCount()  local
732   if (!thread->RequestSynchronousCheckpoint(&closure)) {  in GetFrameCount()
736   *count_ptr = closure.count;  in GetFrameCount()
804   GetLocationClosure closure(static_cast<size_t>(depth));  in GetFrameLocation()  local
806   if (!thread->RequestSynchronousCheckpoint(&closure)) {  in GetFrameLocation()
810   if (closure.method == nullptr) {  in GetFrameLocation()
814   *method_ptr = art::jni::EncodeArtMethod(closure.method);  in GetFrameLocation()
815   if (closure.method->IsNative() || closure.method->IsProxyMethod()) {  in GetFrameLocation()
818     if (closure.dex_pc == art::dex::kDexNoIndex) {  in GetFrameLocation()
821     *location_ptr = static_cast<jlocation>(closure.dex_pc);  in GetFrameLocation()
914   MonitorInfoClosure<Fn> closure(handle_results);  in GetOwnedMonitorInfoCommon()  local
929       if (!target->RequestSynchronousCheckpoint(&closure, art::ThreadState::kRunnable)) {  in GetOwnedMonitorInfoCommon()
941     closure.Run(self);  in GetOwnedMonitorInfoCommon()
943   return closure.GetError();  in GetOwnedMonitorInfoCommon()