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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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46 base::WaitableEvent* GetShutDownEvent(); | 46 base::WaitableEvent* GetShutDownEvent(); |
47 | 47 |
48 // These are used for ref-counting the child process. The process shuts | 48 // These are used for ref-counting the child process. The process shuts |
49 // itself down when the ref count reaches 0. | 49 // itself down when the ref count reaches 0. |
50 // For example, in the renderer process, generally each tab managed by this | 50 // For example, in the renderer process, generally each tab managed by this |
51 // process will hold a reference to the process, and release when closed. | 51 // process will hold a reference to the process, and release when closed. |
52 void AddRefProcess(); | 52 void AddRefProcess(); |
53 void ReleaseProcess(); | 53 void ReleaseProcess(); |
54 | 54 |
55 // Getter for the one ChildProcess object for this process. | 55 // Getter for the one ChildProcess object for this process. |
56 static ChildProcess* current() { return child_process_; } | 56 static ChildProcess* current(); |
57 | 57 |
58 static void WaitForDebugger(const std::string& label); | 58 static void WaitForDebugger(const std::string& label); |
59 private: | 59 private: |
60 int ref_count_; | 60 int ref_count_; |
61 | 61 |
62 // An event that will be signalled when we shutdown. | 62 // An event that will be signalled when we shutdown. |
63 base::WaitableEvent shutdown_event_; | 63 base::WaitableEvent shutdown_event_; |
64 | 64 |
65 // The thread that handles IO events. | 65 // The thread that handles IO events. |
66 base::Thread io_thread_; | 66 base::Thread io_thread_; |
67 | 67 |
68 // NOTE: make sure that main_thread_ is listed after shutdown_event_, since | 68 // NOTE: make sure that main_thread_ is listed after shutdown_event_, since |
69 // it depends on it (indirectly through IPC::SyncChannel). Same for | 69 // it depends on it (indirectly through IPC::SyncChannel). Same for |
70 // io_thread_. | 70 // io_thread_. |
71 scoped_ptr<ChildThread> main_thread_; | 71 scoped_ptr<ChildThread> main_thread_; |
72 | 72 |
73 // The singleton instance for this process. | |
74 static ChildProcess* child_process_; | |
75 | |
76 DISALLOW_COPY_AND_ASSIGN(ChildProcess); | 73 DISALLOW_COPY_AND_ASSIGN(ChildProcess); |
77 }; | 74 }; |
78 | 75 |
79 #endif // CONTENT_COMMON_CHILD_PROCESS_H_ | 76 #endif // CONTENT_COMMON_CHILD_PROCESS_H_ |
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