20d5048a6f
BUG=chromium:694255 Change-Id: Id874d7427b52f5c2d1d7ae72d321cad8277f8082 Reviewed-on: https://chromium-review.googlesource.com/570035 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/master@{#46639}
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
// Copyright 2017 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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#include <stdlib.h>
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#include "src/v8.h"
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#include "src/heap/concurrent-marking.h"
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#include "src/heap/heap-inl.h"
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#include "src/heap/heap.h"
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#include "src/heap/worklist.h"
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#include "test/cctest/cctest.h"
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#include "test/cctest/heap/heap-utils.h"
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namespace v8 {
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namespace internal {
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void PublishSegment(ConcurrentMarking::MarkingWorklist* worklist,
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HeapObject* object) {
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for (int i = 0; i <= ConcurrentMarking::MarkingWorklist::kSegmentCapacity;
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i++) {
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worklist->Push(0, object);
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}
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CHECK(worklist->Pop(0, &object));
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}
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TEST(ConcurrentMarking) {
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if (!i::FLAG_concurrent_marking) return;
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CcTest::InitializeVM();
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Heap* heap = CcTest::heap();
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ConcurrentMarking::MarkingWorklist shared, bailout;
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ConcurrentMarking* concurrent_marking =
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new ConcurrentMarking(heap, &shared, &bailout);
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PublishSegment(&shared, heap->undefined_value());
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concurrent_marking->Start();
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concurrent_marking->EnsureCompleted();
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delete concurrent_marking;
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}
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TEST(ConcurrentMarkingWaiting) {
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if (!i::FLAG_concurrent_marking) return;
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CcTest::InitializeVM();
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Heap* heap = CcTest::heap();
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ConcurrentMarking::MarkingWorklist shared, bailout;
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ConcurrentMarking* concurrent_marking =
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new ConcurrentMarking(heap, &shared, &bailout);
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PublishSegment(&shared, heap->undefined_value());
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concurrent_marking->Start();
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while (!concurrent_marking->AllTasksWaitingForTesting()) {
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// Busy wait.
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}
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PublishSegment(&shared, heap->undefined_value());
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concurrent_marking->NotifyWaitingTasks();
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concurrent_marking->EnsureCompleted();
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delete concurrent_marking;
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}
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} // namespace internal
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} // namespace v8
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