98063ce401
Keep tasks in unique_ptrs, such that they are freed independent of whether they have been executed or not. R=szuend@chromium.org Bug: chromium:1142437, v8:11107, v8:11074 Change-Id: Ia265df3187c724b63e0f576d33235c1bfa522c4f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2517694 Commit-Queue: Clemens Backes <clemensb@chromium.org> Reviewed-by: Simon Zünd <szuend@chromium.org> Cr-Commit-Position: refs/heads/master@{#71005}
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
// Copyright 2016 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_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
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#define V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
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#include <map>
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#include <memory>
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#include "include/v8-inspector.h"
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#include "include/v8-platform.h"
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#include "include/v8.h"
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#include "src/base/macros.h"
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#include "src/base/platform/platform.h"
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#include "src/utils/locked-queue-inl.h"
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#include "src/utils/vector.h"
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#include "test/inspector/isolate-data.h"
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namespace v8 {
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namespace internal {
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class TaskRunner : public v8::base::Thread {
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public:
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class Task {
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public:
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virtual ~Task() = default;
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virtual bool is_priority_task() = 0;
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virtual void Run(IsolateData* data) = 0;
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};
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TaskRunner(IsolateData::SetupGlobalTasks setup_global_tasks,
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bool catch_exceptions, v8::base::Semaphore* ready_semaphore,
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v8::StartupData* startup_data, bool with_inspector);
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~TaskRunner() override;
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IsolateData* data() const { return data_.get(); }
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// Thread implementation.
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void Run() override;
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// Should be called from the same thread and only from task.
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void RunMessageLoop(bool only_protocol);
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void QuitMessageLoop();
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void Append(std::unique_ptr<Task>);
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void Terminate();
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private:
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std::unique_ptr<Task> GetNext(bool only_protocol);
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v8::Isolate* isolate() const { return data_->isolate(); }
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IsolateData::SetupGlobalTasks setup_global_tasks_;
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v8::StartupData* startup_data_;
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bool with_inspector_;
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bool catch_exceptions_;
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v8::base::Semaphore* ready_semaphore_;
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std::unique_ptr<IsolateData> data_;
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// deferred_queue_ combined with queue_ (in this order) have all tasks in the
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// correct order. Sometimes we skip non-protocol tasks by moving them from
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// queue_ to deferred_queue_.
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v8::internal::LockedQueue<std::unique_ptr<Task>> queue_;
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v8::internal::LockedQueue<std::unique_ptr<Task>> deffered_queue_;
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v8::base::Semaphore process_queue_semaphore_;
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int nested_loop_count_;
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std::atomic<int> is_terminated_;
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DISALLOW_COPY_AND_ASSIGN(TaskRunner);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_
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