tools/code-coverage/CodeCoverageHandler.h
author Nicolas Silva <nsilva@mozilla.com>
Fri, 10 Aug 2018 17:15:12 +0200
changeset 431013 594a80cf1466e7ee67b6258f8821d11a803468cc
parent 423936 e3bb0b8bed89254f97a557f52032d508772d6369
child 441525 5687061cc8320ab2f339766cb1cf0c0877deee72
permissions -rw-r--r--
Bug 1482109 - Use the generic memory pressure observer in gfxPlatfrom. r=sotaro

/* -*- 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 mozilla_codecoveragehandler_h
#define mozilla_codecoveragehandler_h

#include "mozilla/StaticPtr.h"
#include "mozilla/ipc/CrossProcessMutex.h"

namespace mozilla {

class CodeCoverageHandler {
public:
  static void Init();
  static void Init(const CrossProcessMutexHandle& aHandle);
  static CodeCoverageHandler* Get();
  CrossProcessMutex* GetMutex();
  CrossProcessMutexHandle GetMutexHandle(int aProcId);
  static void DumpCounters();
  static void DumpCountersSignalHandler(int);
  static void ResetCounters();
  static void ResetCountersSignalHandler(int);

private:
  CodeCoverageHandler();
  explicit CodeCoverageHandler(const CrossProcessMutexHandle& aHandle);

  static StaticAutoPtr<CodeCoverageHandler> instance;
  CrossProcessMutex mGcovLock;

  DISALLOW_COPY_AND_ASSIGN(CodeCoverageHandler);

  void SetSignalHandlers();
};

}

#endif // mozilla_codecoveragehandler_h