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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_COMMON_CHILD_PROCESS_H_ |
6 #define CONTENT_COMMON_CHILD_PROCESS_H_ | 6 #define CONTENT_COMMON_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/threading/thread.h" | 10 #include "base/threading/thread.h" |
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47 base::WaitableEvent* GetShutDownEvent(); | 47 base::WaitableEvent* GetShutDownEvent(); |
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() { return child_process_; } | 57 static ChildProcess* current(); |
58 | 58 |
59 static void WaitForDebugger(const std::string& label); | 59 static void WaitForDebugger(const std::string& label); |
60 private: | 60 private: |
61 int ref_count_; | 61 int ref_count_; |
62 | 62 |
63 // An event that will be signalled when we shutdown. | 63 // An event that will be signalled when we shutdown. |
64 base::WaitableEvent shutdown_event_; | 64 base::WaitableEvent shutdown_event_; |
65 | 65 |
66 // The thread that handles IO events. | 66 // The thread that handles IO events. |
67 base::Thread io_thread_; | 67 base::Thread io_thread_; |
68 | 68 |
69 // NOTE: make sure that main_thread_ is listed after shutdown_event_, since | 69 // NOTE: make sure that main_thread_ is listed after shutdown_event_, since |
70 // it depends on it (indirectly through IPC::SyncChannel). Same for | 70 // it depends on it (indirectly through IPC::SyncChannel). Same for |
71 // io_thread_. | 71 // io_thread_. |
72 scoped_ptr<ChildThread> main_thread_; | 72 scoped_ptr<ChildThread> main_thread_; |
73 | 73 |
74 // The singleton instance for this process. | |
75 static ChildProcess* child_process_; | |
76 | |
77 DISALLOW_COPY_AND_ASSIGN(ChildProcess); | 74 DISALLOW_COPY_AND_ASSIGN(ChildProcess); |
78 }; | 75 }; |
79 | 76 |
80 } // namespace content | 77 } // namespace content |
81 | 78 |
82 #endif // CONTENT_COMMON_CHILD_PROCESS_H_ | 79 #endif // CONTENT_COMMON_CHILD_PROCESS_H_ |
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