| // Copyright 2016 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_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_ |
| #define V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_ |
| |
| #include <map> |
| #include <memory> |
| |
| #include "include/v8-inspector.h" |
| #include "include/v8-platform.h" |
| #include "include/v8.h" |
| #include "src/base/macros.h" |
| #include "src/base/platform/platform.h" |
| #include "src/utils/locked-queue-inl.h" |
| #include "src/utils/vector.h" |
| #include "test/inspector/isolate-data.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| enum CatchExceptions { |
| kFailOnUncaughtExceptions, |
| kStandardPropagateUncaughtExceptions, |
| kSuppressUncaughtExceptions |
| }; |
| |
| class TaskRunner : public v8::base::Thread { |
| public: |
| class Task { |
| public: |
| virtual ~Task() = default; |
| virtual bool is_priority_task() = 0; |
| virtual void Run(IsolateData* data) = 0; |
| }; |
| |
| TaskRunner(IsolateData::SetupGlobalTasks setup_global_tasks, |
| CatchExceptions catch_exceptions, |
| v8::base::Semaphore* ready_semaphore, |
| v8::StartupData* startup_data, WithInspector with_inspector); |
| ~TaskRunner() override; |
| TaskRunner(const TaskRunner&) = delete; |
| TaskRunner& operator=(const TaskRunner&) = delete; |
| IsolateData* data() const { return data_.get(); } |
| |
| // Thread implementation. |
| void Run() override; |
| |
| // Should be called from the same thread and only from task. |
| void RunMessageLoop(bool only_protocol); |
| void QuitMessageLoop(); |
| |
| void Append(std::unique_ptr<Task>); |
| void InterruptForMessages(); |
| void Terminate(); |
| |
| private: |
| std::unique_ptr<Task> GetNext(bool only_protocol); |
| v8::Isolate* isolate() const { return data_->isolate(); } |
| |
| IsolateData::SetupGlobalTasks setup_global_tasks_; |
| v8::StartupData* startup_data_; |
| WithInspector with_inspector_; |
| CatchExceptions catch_exceptions_; |
| v8::base::Semaphore* ready_semaphore_; |
| std::unique_ptr<IsolateData> data_; |
| |
| // deferred_queue_ combined with queue_ (in this order) have all tasks in the |
| // correct order. Sometimes we skip non-protocol tasks by moving them from |
| // queue_ to deferred_queue_. |
| v8::internal::LockedQueue<std::unique_ptr<Task>> queue_; |
| v8::internal::LockedQueue<std::unique_ptr<Task>> deferred_queue_; |
| v8::base::Semaphore process_queue_semaphore_; |
| |
| int nested_loop_count_; |
| std::atomic<int> is_terminated_; |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_TEST_INSPECTOR_PROTOCOL_TASK_RUNNER_H_ |