Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef ChildProfilerController_h
       7             : #define ChildProfilerController_h
       8             : 
       9             : #include "mozilla/Attributes.h"
      10             : #include "mozilla/RefPtr.h"
      11             : #include "base/process.h"
      12             : 
      13             : class nsCString;
      14             : 
      15             : namespace mozilla {
      16             : 
      17             : class ProfilerChild;
      18             : class PProfilerChild;
      19             : class PProfilerParent;
      20             : 
      21             : // ChildProfilerController manages the setup and teardown of ProfilerChild.
      22             : // It's used on the main thread.
      23             : // It manages a background thread that ProfilerChild runs on.
      24             : class ChildProfilerController final
      25             : {
      26             : public:
      27           6 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ChildProfilerController)
      28             : 
      29             :   static already_AddRefed<ChildProfilerController>
      30             :   Create(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
      31             : 
      32             :   MOZ_MUST_USE nsCString GrabShutdownProfileAndShutdown();
      33             :   void Shutdown();
      34             : 
      35             : private:
      36             :   ChildProfilerController();
      37             :   ~ChildProfilerController();
      38             :   void Init(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
      39             :   void ShutdownAndMaybeGrabShutdownProfileFirst(nsCString* aOutShutdownProfile);
      40             : 
      41             :   // Called on mThread:
      42             :   void SetupProfilerChild(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
      43             :   void ShutdownProfilerChild(nsCString* aOutShutdownProfile);
      44             : 
      45             :   RefPtr<ProfilerChild> mProfilerChild; // only accessed on mThread
      46             :   RefPtr<nsIThread> mThread;
      47             : };
      48             : 
      49             : } // namespace mozilla
      50             : 
      51             : #endif  // ChildProfilerController_h