worker_thread.h | Explore in Territory

/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_WORKER_THREAD_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_WORKER_THREAD_H_

#include <memory>
#include <optional>

#include "base/gtest_prod_util.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/synchronization/lock.h"
#include "base/synchronization/waitable_event.h"
#include "base/task/single_thread_task_runner.h"
#include "base/thread_annotations.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "base/unguessable_token.h"
#include "services/network/public/mojom/fetch_api.mojom-blink-forward.h"
#include "third_party/blink/public/mojom/frame/lifecycle.mojom-blink-forward.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/web_policy_container.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/inspector/inspector_issue_storage.h"
#include "third_party/blink/renderer/core/workers/parent_execution_context_task_runners.h"
#include "third_party/blink/renderer/core/workers/worker_backing_thread_startup_data.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/loader/fetch/resource_loader_options.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cancellable_task.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread_type.h"
#include "third_party/blink/renderer/platform/scheduler/public/worker_scheduler.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "v8/include/v8-inspector.h"
#include "v8/include/v8.h"

namespace blink {

class ConsoleMessageStorage;
class InspectorTaskRunner;
class InspectorIssueStorage;
class KURL;
class WorkerBackingThread;
class WorkerInspectorController;
class WorkerOrWorkletGlobalScope;
class WorkerReportingProxy;
class WorkerResourceTimingNotifier;
struct CrossThreadFetchClientSettingsObjectData;
struct GlobalScopeCreationParams;
struct WorkerDevToolsParams;
struct WorkerMainScriptLoadParameters;

// WorkerThread is a kind of WorkerBackingThread client. Each worker mechanism
// can access the lower thread infrastructure via an implementation of this
// abstract class. Multiple WorkerThreads may share one WorkerBackingThread for
// worklets.
//
// WorkerThread start and termination must be initiated on the parent thread and
// an actual task is executed on the worker thread.
//
// When termination starts, (debugger) tasks on WorkerThread are handled as
// follows:
//  - A running task may finish unless a forcible termination task interrupts.
//    If the running task is for debugger, it's guaranteed to finish without
//    any interruptions.
//  - Queued tasks never run.
class CORE_EXPORT WorkerThread : public Thread::TaskObserver { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_WORKER_THREAD_H_
chromium/third_party/blink/renderer/core/workers/worker_thread.h
