Index: runtime/vm/dart_api_state.cc |
diff --git a/runtime/vm/dart_api_state.cc b/runtime/vm/dart_api_state.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d959fb7089de8d6d308e44d0fbcff7599dd7782b |
--- /dev/null |
+++ b/runtime/vm/dart_api_state.cc |
@@ -0,0 +1,56 @@ |
+// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+#include "vm/dart_api_state.h" |
+ |
+#include "platform/assert.h" |
+#include "platform/utils.h" |
+#include "vm/heap.h" |
+#include "vm/isolate.h" |
+#include "vm/lockers.h" |
+#include "vm/thread.h" |
+#include "vm/timeline.h" |
+ |
+namespace dart { |
+ |
+BackgroundFinalizer::BackgroundFinalizer(Isolate* isolate, |
+ FinalizationQueue* queue) : |
+ isolate_(isolate), |
+ queue_(queue) { |
+ MonitorLocker ml(isolate->heap()->finalization_tasks_lock()); |
+ isolate->heap()->set_finalization_tasks( |
+ isolate->heap()->finalization_tasks() + 1); |
+ ml.Notify(); |
+} |
+ |
+ |
+void BackgroundFinalizer::Run() { |
+ bool result = Thread::EnterIsolateAsHelper(isolate_, |
+ Thread::kFinalizerTask, |
+ true /* bypass_safepoint */); |
+ ASSERT(result); |
+ |
+ { |
+ TIMELINE_FUNCTION_GC_DURATION(Thread::Current(), |
+ "BackgroundFinalization"); |
+ |
+ for (intptr_t i = 0; i < queue_->length(); i++) { |
+ FinalizablePersistentHandle* handle = (*queue_)[i]; |
+ FinalizablePersistentHandle::Finalize(isolate_, handle); |
+ } |
+ delete queue_; |
+ } |
+ |
+ // Exit isolate cleanly *before* notifying it, to avoid shutdown race. |
+ Thread::ExitIsolateAsHelper(); |
+ |
+ { |
+ Heap* heap = isolate_->heap(); |
+ MonitorLocker ml(heap->finalization_tasks_lock()); |
+ heap->set_finalization_tasks(heap->finalization_tasks() - 1); |
+ ml.Notify(); |
+ } |
+} |
+ |
+} // namespace dart |