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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_CHILD_CHILD_THREAD_H_ | 5 #ifndef CONTENT_CHILD_CHILD_THREAD_H_ |
6 #define CONTENT_CHILD_CHILD_THREAD_H_ | 6 #define CONTENT_CHILD_CHILD_THREAD_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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66 | 66 |
67 // Creates the thread. | 67 // Creates the thread. |
68 ChildThread(); | 68 ChildThread(); |
69 // Used for single-process mode and for in process gpu mode. | 69 // Used for single-process mode and for in process gpu mode. |
70 explicit ChildThread(const Options& options); | 70 explicit ChildThread(const Options& options); |
71 // ChildProcess::main_thread() is reset after Shutdown(), and before the | 71 // ChildProcess::main_thread() is reset after Shutdown(), and before the |
72 // destructor, so any subsystem that relies on ChildProcess::main_thread() | 72 // destructor, so any subsystem that relies on ChildProcess::main_thread() |
73 // must be terminated before Shutdown returns. In particular, if a subsystem | 73 // must be terminated before Shutdown returns. In particular, if a subsystem |
74 // has a thread that post tasks to ChildProcess::main_thread(), that thread | 74 // has a thread that post tasks to ChildProcess::main_thread(), that thread |
75 // should be joined in Shutdown(). | 75 // should be joined in Shutdown(). |
76 virtual ~ChildThread(); | 76 ~ChildThread() override; |
77 virtual void Shutdown(); | 77 virtual void Shutdown(); |
78 | 78 |
79 // IPC::Sender implementation: | 79 // IPC::Sender implementation: |
80 virtual bool Send(IPC::Message* msg) override; | 80 bool Send(IPC::Message* msg) override; |
81 | 81 |
82 IPC::SyncChannel* channel() { return channel_.get(); } | 82 IPC::SyncChannel* channel() { return channel_.get(); } |
83 | 83 |
84 MessageRouter* GetRouter(); | 84 MessageRouter* GetRouter(); |
85 | 85 |
86 // Allocates a block of shared memory of the given size and | 86 // Allocates a block of shared memory of the given size and |
87 // maps in into the address space. Returns NULL of failure. | 87 // maps in into the address space. Returns NULL of failure. |
88 // Note: On posix, this requires a sync IPC to the browser process, | 88 // Note: On posix, this requires a sync IPC to the browser process, |
89 // but on windows the child process directly allocates the block. | 89 // but on windows the child process directly allocates the block. |
90 base::SharedMemory* AllocateSharedMemory(size_t buf_size); | 90 base::SharedMemory* AllocateSharedMemory(size_t buf_size); |
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166 // Called when the process refcount is 0. | 166 // Called when the process refcount is 0. |
167 void OnProcessFinalRelease(); | 167 void OnProcessFinalRelease(); |
168 | 168 |
169 virtual bool OnControlMessageReceived(const IPC::Message& msg); | 169 virtual bool OnControlMessageReceived(const IPC::Message& msg); |
170 | 170 |
171 void set_on_channel_error_called(bool on_channel_error_called) { | 171 void set_on_channel_error_called(bool on_channel_error_called) { |
172 on_channel_error_called_ = on_channel_error_called; | 172 on_channel_error_called_ = on_channel_error_called; |
173 } | 173 } |
174 | 174 |
175 // IPC::Listener implementation: | 175 // IPC::Listener implementation: |
176 virtual bool OnMessageReceived(const IPC::Message& msg) override; | 176 bool OnMessageReceived(const IPC::Message& msg) override; |
177 virtual void OnChannelConnected(int32 peer_pid) override; | 177 void OnChannelConnected(int32 peer_pid) override; |
178 virtual void OnChannelError() override; | 178 void OnChannelError() override; |
179 | 179 |
180 private: | 180 private: |
181 class ChildThreadMessageRouter : public MessageRouter { | 181 class ChildThreadMessageRouter : public MessageRouter { |
182 public: | 182 public: |
183 // |sender| must outlive this object. | 183 // |sender| must outlive this object. |
184 explicit ChildThreadMessageRouter(IPC::Sender* sender); | 184 explicit ChildThreadMessageRouter(IPC::Sender* sender); |
185 virtual bool Send(IPC::Message* msg) override; | 185 bool Send(IPC::Message* msg) override; |
186 | 186 |
187 private: | 187 private: |
188 IPC::Sender* const sender_; | 188 IPC::Sender* const sender_; |
189 }; | 189 }; |
190 | 190 |
191 void Init(const Options& options); | 191 void Init(const Options& options); |
192 scoped_ptr<IPC::SyncChannel> CreateChannel(bool use_mojo_channel); | 192 scoped_ptr<IPC::SyncChannel> CreateChannel(bool use_mojo_channel); |
193 | 193 |
194 // IPC message handlers. | 194 // IPC message handlers. |
195 void OnShutdown(); | 195 void OnShutdown(); |
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260 bool in_browser_process_; | 260 bool in_browser_process_; |
261 | 261 |
262 base::WeakPtrFactory<ChildThread> channel_connected_factory_; | 262 base::WeakPtrFactory<ChildThread> channel_connected_factory_; |
263 | 263 |
264 DISALLOW_COPY_AND_ASSIGN(ChildThread); | 264 DISALLOW_COPY_AND_ASSIGN(ChildThread); |
265 }; | 265 }; |
266 | 266 |
267 } // namespace content | 267 } // namespace content |
268 | 268 |
269 #endif // CONTENT_CHILD_CHILD_THREAD_H_ | 269 #endif // CONTENT_CHILD_CHILD_THREAD_H_ |
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