The Tor Browser / file comparison
comparison: ipc/chromium/src/chrome/common/child_thread.h
ipc/chromium/src/chrome/common/child_thread.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:293b65d12ba6 |
|---|---|
| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_COMMON_CHILD_THREAD_H_ | |
| 6 #define CHROME_COMMON_CHILD_THREAD_H_ | |
| 7 | |
| 8 #include "base/thread.h" | |
| 9 #include "chrome/common/ipc_sync_channel.h" | |
| 10 #include "chrome/common/message_router.h" | |
| 11 | |
| 12 class ResourceDispatcher; | |
| 13 | |
| 14 // Child processes's background thread should derive from this class. | |
| 15 class ChildThread : public IPC::Channel::Listener, | |
| 16 public IPC::Message::Sender, | |
| 17 public base::Thread { | |
| 18 public: | |
| 19 // Creates the thread. | |
| 20 ChildThread(Thread::Options options); | |
| 21 virtual ~ChildThread(); | |
| 22 | |
| 23 // IPC::Message::Sender implementation: | |
| 24 virtual bool Send(IPC::Message* msg); | |
| 25 | |
| 26 // See documentation on MessageRouter for AddRoute and RemoveRoute | |
| 27 void AddRoute(int32_t routing_id, IPC::Channel::Listener* listener); | |
| 28 void RemoveRoute(int32_t routing_id); | |
| 29 | |
| 30 MessageLoop* owner_loop() { return owner_loop_; } | |
| 31 | |
| 32 protected: | |
| 33 friend class ChildProcess; | |
| 34 | |
| 35 // Starts the thread. | |
| 36 bool Run(); | |
| 37 | |
| 38 // Overrides the channel name. Used for --single-process mode. | |
| 39 void SetChannelName(const std::wstring& name) { channel_name_ = name; } | |
| 40 | |
| 41 // Called when the process refcount is 0. | |
| 42 void OnProcessFinalRelease(); | |
| 43 | |
| 44 protected: | |
| 45 // The required stack size if V8 runs on a thread. | |
| 46 static const size_t kV8StackSize; | |
| 47 | |
| 48 virtual void OnControlMessageReceived(const IPC::Message& msg) { } | |
| 49 | |
| 50 // Returns the one child thread. | |
| 51 static ChildThread* current(); | |
| 52 | |
| 53 IPC::Channel* channel() { return channel_.get(); } | |
| 54 | |
| 55 // Thread implementation. | |
| 56 virtual void Init(); | |
| 57 virtual void CleanUp(); | |
| 58 | |
| 59 private: | |
| 60 // IPC::Channel::Listener implementation: | |
| 61 virtual void OnMessageReceived(const IPC::Message& msg); | |
| 62 virtual void OnChannelError(); | |
| 63 | |
| 64 #ifdef MOZ_NUWA_PROCESS | |
| 65 static void MarkThread(); | |
| 66 #endif | |
| 67 | |
| 68 // The message loop used to run tasks on the thread that started this thread. | |
| 69 MessageLoop* owner_loop_; | |
| 70 | |
| 71 std::wstring channel_name_; | |
| 72 scoped_ptr<IPC::Channel> channel_; | |
| 73 | |
| 74 // Used only on the background render thread to implement message routing | |
| 75 // functionality to the consumers of the ChildThread. | |
| 76 MessageRouter router_; | |
| 77 | |
| 78 Thread::Options options_; | |
| 79 | |
| 80 // If true, checks with the browser process before shutdown. This avoids race | |
| 81 // conditions if the process refcount is 0 but there's an IPC message inflight | |
| 82 // that would addref it. | |
| 83 bool check_with_browser_before_shutdown_; | |
| 84 | |
| 85 DISALLOW_EVIL_CONSTRUCTORS(ChildThread); | |
| 86 }; | |
| 87 | |
| 88 #endif // CHROME_COMMON_CHILD_THREAD_H_ |
