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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_COMMON_CHILD_PROCESS_H_ | 5 #ifndef CONTENT_CHILD_CHILD_PROCESS_H_ |
6 #define CONTENT_COMMON_CHILD_PROCESS_H_ | 6 #define CONTENT_CHILD_CHILD_PROCESS_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/synchronization/waitable_event.h" |
10 #include "base/threading/thread.h" | 11 #include "base/threading/thread.h" |
11 #include "base/synchronization/waitable_event.h" | |
12 #include "content/common/content_export.h" | 12 #include "content/common/content_export.h" |
13 | 13 |
14 namespace content { | 14 namespace content { |
15 class ChildThread; | 15 class ChildThread; |
16 | 16 |
17 // Base class for child processes of the browser process (i.e. renderer and | 17 // Base class for child processes of the browser process (i.e. renderer and |
18 // plugin host). This is a singleton object for each child process. | 18 // plugin host). This is a singleton object for each child process. |
19 class CONTENT_EXPORT ChildProcess { | 19 class CONTENT_EXPORT ChildProcess { |
20 public: | 20 public: |
21 // Child processes should have an object that derives from this class. | 21 // Child processes should have an object that derives from this class. |
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48 | 48 |
49 // These are used for ref-counting the child process. The process shuts | 49 // These are used for ref-counting the child process. The process shuts |
50 // itself down when the ref count reaches 0. | 50 // itself down when the ref count reaches 0. |
51 // For example, in the renderer process, generally each tab managed by this | 51 // For example, in the renderer process, generally each tab managed by this |
52 // process will hold a reference to the process, and release when closed. | 52 // process will hold a reference to the process, and release when closed. |
53 void AddRefProcess(); | 53 void AddRefProcess(); |
54 void ReleaseProcess(); | 54 void ReleaseProcess(); |
55 | 55 |
56 // Getter for the one ChildProcess object for this process. | 56 // Getter for the one ChildProcess object for this process. |
57 static ChildProcess* current(); | 57 static ChildProcess* current(); |
58 | |
59 static void WaitForDebugger(const std::string& label); | |
60 private: | 58 private: |
61 int ref_count_; | 59 int ref_count_; |
62 | 60 |
63 // An event that will be signalled when we shutdown. | 61 // An event that will be signalled when we shutdown. |
64 base::WaitableEvent shutdown_event_; | 62 base::WaitableEvent shutdown_event_; |
65 | 63 |
66 // The thread that handles IO events. | 64 // The thread that handles IO events. |
67 base::Thread io_thread_; | 65 base::Thread io_thread_; |
68 | 66 |
69 // NOTE: make sure that main_thread_ is listed after shutdown_event_, since | 67 // NOTE: make sure that main_thread_ is listed after shutdown_event_, since |
70 // it depends on it (indirectly through IPC::SyncChannel). Same for | 68 // it depends on it (indirectly through IPC::SyncChannel). Same for |
71 // io_thread_. | 69 // io_thread_. |
72 scoped_ptr<ChildThread> main_thread_; | 70 scoped_ptr<ChildThread> main_thread_; |
73 | 71 |
74 DISALLOW_COPY_AND_ASSIGN(ChildProcess); | 72 DISALLOW_COPY_AND_ASSIGN(ChildProcess); |
75 }; | 73 }; |
76 | 74 |
77 } // namespace content | 75 } // namespace content |
78 | 76 |
79 #endif // CONTENT_COMMON_CHILD_PROCESS_H_ | 77 #endif // CONTENT_CHILD_CHILD_PROCESS_H_ |
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