child_process.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

#ifndef CHROME_COMMON_CHILD_PROCESS_H__

#define CHROME_COMMON_CHILD_PROCESS_H__

#include <string>

#include <vector>

#include "base/basictypes.h"

#include "base/message_loop.h"

#include "base/waitable_event.h"

#include "mozilla/UniquePtr.h"

class ChildThread;

// Base class for child processes of the browser process (i.e. renderer and

// plugin host). This is a singleton object for each child process.

class ChildProcess {

 public:

  // Child processes should have an object that derives from this class.  The

  // constructor will return once ChildThread has started.

  explicit ChildProcess(ChildThread* child_thread);

  virtual ~ChildProcess();

  // Getter for this process' main thread.

  ChildThread* child_thread() { return child_thread_.get(); }

  // Getter for the one ChildProcess object for this process.

  static ChildProcess* current() { return child_process_; }

 private:

  // NOTE: make sure that child_thread_ is listed before shutdown_event_, since

  // it depends on it (indirectly through IPC::SyncChannel).

  mozilla::UniquePtr<ChildThread> child_thread_;

  // The singleton instance for this process.

  static ChildProcess* child_process_;

  DISALLOW_EVIL_CONSTRUCTORS(ChildProcess);

};

#endif  // CHROME_COMMON_CHILD_PROCESS_H__