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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_HEAP_INCREMENTAL_MARKING_JOB_H_
#define V8_HEAP_INCREMENTAL_MARKING_JOB_H_
#include "src/cancelable-task.h"
namespace v8 {
namespace internal {
class Heap;
class Isolate;
// The incremental marking job uses platform tasks to perform incremental
// marking steps. The job posts a foreground task that makes a small (~1ms)
// step and posts another task until the marking is completed.
class IncrementalMarkingJob {
public:
class Task : public CancelableTask {
public:
explicit Task(Isolate* isolate, IncrementalMarkingJob* job)
: CancelableTask(isolate), job_(job) {}
static void Step(Heap* heap);
// CancelableTask overrides.
void RunInternal() override;
private:
IncrementalMarkingJob* job_;
};
IncrementalMarkingJob() : task_pending_(false) {}
bool TaskPending() { return task_pending_; }
void Start(Heap* heap);
void NotifyTask();
void ScheduleTask(Heap* heap);
private:
bool task_pending_;
};
} // namespace internal
} // namespace v8
#endif // V8_HEAP_INCREMENTAL_MARKING_JOB_H_
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