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