Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef ProfilerChild_h
       8             : #define ProfilerChild_h
       9             : 
      10             : #include "mozilla/PProfilerChild.h"
      11             : #include "mozilla/RefPtr.h"
      12             : 
      13             : class nsIThread;
      14             : 
      15             : namespace mozilla {
      16             : 
      17             : // The ProfilerChild actor is created in all processes except for the main
      18             : // process. The corresponding ProfilerParent actor is created in the main
      19             : // process, and it will notify us about profiler state changes and request
      20             : // profiles from us.
      21             : class ProfilerChild final : public PProfilerChild
      22             : {
      23           2 :   NS_INLINE_DECL_REFCOUNTING(ProfilerChild)
      24             : 
      25             :   ProfilerChild();
      26             : 
      27             :   // Collects and returns a profile.
      28             :   // This method can be used to grab a profile just before PProfiler is torn
      29             :   // down. The collected profile should then be sent through a different
      30             :   // message channel that is guaranteed to stay open long enough.
      31             :   nsCString GrabShutdownProfile();
      32             : 
      33             :   void Destroy();
      34             : 
      35             : private:
      36             :   virtual ~ProfilerChild();
      37             : 
      38             :   mozilla::ipc::IPCResult RecvStart(const ProfilerInitParams& params) override;
      39             :   mozilla::ipc::IPCResult RecvStop() override;
      40             :   mozilla::ipc::IPCResult RecvPause() override;
      41             :   mozilla::ipc::IPCResult RecvResume() override;
      42             :   mozilla::ipc::IPCResult RecvGatherProfile(GatherProfileResolver&& aResolve) override;
      43             : 
      44             :   void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
      45             : 
      46             :   nsCOMPtr<nsIThread> mThread;
      47             :   bool mDestroyed;
      48             : };
      49             : 
      50             : } // namespace mozilla
      51             : 
      52             : #endif  // ProfilerChild_h