Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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 http://mozilla.org/MPL/2.0/. */
#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"
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 {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ChildProfilerController)
#ifdef MOZ_GECKO_PROFILER
static already_AddRefed<ChildProfilerController> Create(
mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
[[nodiscard]] nsCString GrabShutdownProfileAndShutdown();
void Shutdown();
private:
ChildProfilerController();
~ChildProfilerController();
void Init(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
void ShutdownAndMaybeGrabShutdownProfileFirst(nsCString* aOutShutdownProfile);
// Called on mThread:
void SetupProfilerChild(mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint);
void ShutdownProfilerChild(nsCString* aOutShutdownProfile);
RefPtr<ProfilerChild> mProfilerChild; // only accessed on mThread
DataMutex<RefPtr<nsIThread>> mThread;
#else
static already_AddRefed<ChildProfilerController> Create(
mozilla::ipc::Endpoint<PProfilerChild>&& aEndpoint) {
return nullptr;
}
[[nodiscard]] nsCString GrabShutdownProfileAndShutdown() {
return EmptyCString();
}
void Shutdown() {}
private:
~ChildProfilerController() {}
#endif // MOZ_GECKO_PROFILER
};
} // namespace mozilla
#endif // ChildProfilerController_h