905318c724
This reverts commit2221f0909b. Reason for revert: fix in patchset 2 Original change's description: > Revert "cppgc: Provide jobs support through DefaultPlatform and TestPlatform" > > This reverts commit22c0fc8f2e. > > Reason for revert: https://ci.chromium.org/p/v8/builders/ci/V8%20Linux%20gcc/8712? > > Original change's description: > > cppgc: Provide jobs support through DefaultPlatform and TestPlatform > > > > This CL extends cppgc::DefaultPlatform and TestPlatform to emulate > > jobs using std::thread and v8::base::Thread respectively. > > Jobs using these platform do not yield unless the job as been > > cancelled. Additionally, the job priority is ignored. > > > > Bug: chromium:1056170 > > Change-Id: I72db1eef410d2be3d3e5ea7d4ece9e5584a451f2 > > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2416378 > > Commit-Queue: Omer Katz <omerkatz@chromium.org> > > Reviewed-by: Anton Bikineev <bikineev@chromium.org> > > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > > Cr-Commit-Position: refs/heads/master@{#70139} > > TBR=mlippautz@chromium.org,bikineev@chromium.org,omerkatz@chromium.org > > Change-Id: Ic29235e3ab78a1b515a5b14b808e116a1ccffc0f > No-Presubmit: true > No-Tree-Checks: true > No-Try: true > Bug: chromium:1056170 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2432087 > Reviewed-by: Francis McCabe <fgm@chromium.org> > Commit-Queue: Francis McCabe <fgm@chromium.org> > Cr-Commit-Position: refs/heads/master@{#70142} # Not skipping CQ checks because this is a reland. Bug: chromium:1056170 Change-Id: Iaa8312da759ab97f646a9fb6144462a115393b5f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2431666 Reviewed-by: Anton Bikineev <bikineev@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Commit-Queue: Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#70150}
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
// Copyright 2020 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 INCLUDE_CPPGC_DEFAULT_PLATFORM_H_
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#define INCLUDE_CPPGC_DEFAULT_PLATFORM_H_
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#include <memory>
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#include <vector>
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#include "cppgc/platform.h"
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#include "v8config.h" // NOLINT(build/include_directory)
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namespace cppgc {
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namespace internal {
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class DefaultJob;
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} // namespace internal
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/**
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* Default task runner implementation. Keep posted tasks in a list that can be
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* processed by calling RunSingleTask() or RunUntilIdle().
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*/
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class V8_EXPORT DefaultTaskRunner final : public cppgc::TaskRunner {
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public:
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DefaultTaskRunner() = default;
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DefaultTaskRunner(const DefaultTaskRunner&) = delete;
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DefaultTaskRunner& operator=(const DefaultTaskRunner&) = delete;
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void PostTask(std::unique_ptr<cppgc::Task> task) override;
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void PostDelayedTask(std::unique_ptr<cppgc::Task> task, double) override;
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bool NonNestableTasksEnabled() const final { return false; }
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bool NonNestableDelayedTasksEnabled() const final { return false; }
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void PostNonNestableTask(std::unique_ptr<cppgc::Task> task) override;
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void PostNonNestableDelayedTask(std::unique_ptr<cppgc::Task> task,
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double) override;
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void PostIdleTask(std::unique_ptr<cppgc::IdleTask> task) override;
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bool IdleTasksEnabled() override { return true; }
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bool RunSingleTask();
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bool RunSingleIdleTask(double duration_in_seconds);
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void RunUntilIdle();
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private:
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std::vector<std::unique_ptr<cppgc::Task>> tasks_;
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std::vector<std::unique_ptr<cppgc::IdleTask>> idle_tasks_;
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};
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/**
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* Default platform implementation that uses std::thread for spawning job tasks.
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*/
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class V8_EXPORT DefaultPlatform final : public Platform {
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public:
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DefaultPlatform();
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~DefaultPlatform() noexcept override;
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cppgc::PageAllocator* GetPageAllocator() final;
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double MonotonicallyIncreasingTime() final;
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std::shared_ptr<cppgc::TaskRunner> GetForegroundTaskRunner() final;
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// DefaultPlatform does not support job priorities. All jobs would be
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// assigned the same priority regardless of the cppgc::TaskPriority parameter.
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std::unique_ptr<cppgc::JobHandle> PostJob(
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cppgc::TaskPriority priority,
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std::unique_ptr<cppgc::JobTask> job_task) final;
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void WaitAllForegroundTasks();
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void WaitAllBackgroundTasks();
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private:
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std::unique_ptr<PageAllocator> page_allocator_;
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std::shared_ptr<DefaultTaskRunner> foreground_task_runner_;
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std::vector<std::shared_ptr<internal::DefaultJob>> jobs_;
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};
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} // namespace cppgc
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#endif // INCLUDE_CPPGC_DEFAULT_PLATFORM_H_
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