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 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style license that can be
5 // found in the LICENSE file.
6 
7 #ifndef CHROME_COMMON_CHILD_PROCESS_H__
8 #define CHROME_COMMON_CHILD_PROCESS_H__
9 
10 #include <string>
11 #include <vector>
12 #include "base/basictypes.h"
13 #include "base/message_loop.h"
14 #include "base/waitable_event.h"
15 #include "mozilla/UniquePtr.h"
16 
17 class ChildThread;
18 
19 // Base class for child processes of the browser process (i.e. renderer and
20 // plugin host). This is a singleton object for each child process.
21 class ChildProcess {
22  public:
23   // Child processes should have an object that derives from this class.  The
24   // constructor will return once ChildThread has started.
25   explicit ChildProcess(ChildThread* child_thread);
26   virtual ~ChildProcess();
27 
28   // Getter for this process' main thread.
child_thread()29   ChildThread* child_thread() { return child_thread_.get(); }
30 
31   // Getter for the one ChildProcess object for this process.
current()32   static ChildProcess* current() { return child_process_; }
33 
34  private:
35   // NOTE: make sure that child_thread_ is listed before shutdown_event_, since
36   // it depends on it (indirectly through IPC::SyncChannel).
37   mozilla::UniquePtr<ChildThread> child_thread_;
38 
39   // The singleton instance for this process.
40   static ChildProcess* child_process_;
41 
42   DISALLOW_EVIL_CONSTRUCTORS(ChildProcess);
43 };
44 
45 #endif  // CHROME_COMMON_CHILD_PROCESS_H__
46