author Jim Blandy <>
Thu, 30 Mar 2023 16:23:26 +0000
changeset 658645 9754c55103ef774188e1e813a3ef5d4f5487b35c
parent 657299 82cfcd0411741933799fd01b5b154c268174b71b
permissions -rw-r--r--
Bug 1825449: Don't warn on mismatched WebGPU error scope push/pop. r=webgpu-reviewers,teoxoy In the graphics process, don't warn on receipt of mismatched DevicePushErrorScope/DevicePopErrorScope messages, since these can be easily caused by ordinary content and do not indicate anything wrong with Firefox. Differential Revision:

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at */

#ifndef ChildProfilerController_h
#define ChildProfilerController_h

#include "base/process.h"
#include "mozilla/Attributes.h"
#include "mozilla/ipc/ProtocolUtils.h"
#include "mozilla/DataMutex.h"
#include "mozilla/RefPtr.h"
#include "nsISupportsImpl.h"
#include "nsStringFwd.h"
#include "ProfileAdditionalInformation.h"

namespace mozilla {

class ProfilerChild;
class PProfilerChild;
class PProfilerParent;

// ChildProfilerController manages the setup and teardown of ProfilerChild.
// It's used on the main thread.
// It manages a background thread that ProfilerChild runs on.
class ChildProfilerController final {

  static already_AddRefed<ChildProfilerController> Create(
      mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);

  [[nodiscard]] ProfileAndAdditionalInformation
  void Shutdown();

  void Init(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
  void ShutdownAndMaybeGrabShutdownProfileFirst(
      ProfileAndAdditionalInformation* aOutShutdownProfileInformation);

  // Called on mThread:
  void SetupProfilerChild(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
  void ShutdownProfilerChild(
      ProfileAndAdditionalInformation* aOutShutdownProfileInformation);

  RefPtr<ProfilerChild> mProfilerChild;  // only accessed on mThread
  DataMutex<RefPtr<nsIThread>> mThread;
  static already_AddRefed<ChildProfilerController> Create(
      mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint) {
    return nullptr;
  [[nodiscard]] ProfileAndAdditionalInformation
  GrabShutdownProfileAndShutdown() {
    return ProfileAndAdditionalInformation(std::move(EmptyCString()));
  void Shutdown() {}

  ~ChildProfilerController() {}

}  // namespace mozilla

#endif  // ChildProfilerController_h