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32 #include "core/dom/Microtask.h"
34 #include "bindings/core/v8/V8PerIsolateData.h"
35 #include "bindings/core/v8/V8RecursionScope.h"
36 #include "platform/Task.h"
37 #include "public/platform/WebThread.h"
42 void Microtask::performCheckpoint()
44 v8::Isolate* isolate = v8::Isolate::GetCurrent();
45 V8PerIsolateData* isolateData = V8PerIsolateData::from(isolate);
47 if (isolateData->recursionLevel() || isolateData->performingMicrotaskCheckpoint() || isolateData->destructionPending())
49 isolateData->setPerformingMicrotaskCheckpoint(true);
51 // Ensure that end-of-task-or-microtask actions are performed.
52 V8RecursionScope recursionScope(isolate);
53 isolate->RunMicrotasks();
55 isolateData->setPerformingMicrotaskCheckpoint(false);
58 bool Microtask::performingCheckpoint(v8::Isolate* isolate)
60 return V8PerIsolateData::from(isolate)->performingMicrotaskCheckpoint();
63 static void microtaskFunctionCallback(void* data)
65 OwnPtr<WebThread::Task> task = adoptPtr(static_cast<WebThread::Task*>(data));
69 void Microtask::enqueueMicrotask(PassOwnPtr<WebThread::Task> callback)
71 v8::Isolate* isolate = v8::Isolate::GetCurrent();
72 isolate->EnqueueMicrotask(µtaskFunctionCallback, callback.leakPtr());
75 void Microtask::enqueueMicrotask(const Closure& callback)
77 enqueueMicrotask(adoptPtr(new Task(callback)));