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Side by Side Diff: chrome/browser/process_singleton.h

Issue 1391893003: NOT FOR REVIEW: Aura on Android (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 2 months ago
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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 CHROME_BROWSER_PROCESS_SINGLETON_H_ 5 #ifndef CHROME_BROWSER_PROCESS_SINGLETON_H_
6 #define CHROME_BROWSER_PROCESS_SINGLETON_H_ 6 #define CHROME_BROWSER_PROCESS_SINGLETON_H_
7 7
8 #include "build/build_config.h" 8 #include "build/build_config.h"
9 9
10 #if defined(OS_WIN) 10 #if defined(OS_WIN)
11 #include <windows.h> 11 #include <windows.h>
12 #endif // defined(OS_WIN) 12 #endif // defined(OS_WIN)
13 13
14 #include <set> 14 #include <set>
15 #include <vector> 15 #include <vector>
16 16
17 #include "base/basictypes.h" 17 #include "base/basictypes.h"
18 #include "base/callback.h" 18 #include "base/callback.h"
19 #include "base/command_line.h" 19 #include "base/command_line.h"
20 #include "base/files/file_path.h" 20 #include "base/files/file_path.h"
21 #include "base/logging.h" 21 #include "base/logging.h"
22 #include "base/memory/ref_counted.h" 22 #include "base/memory/ref_counted.h"
23 #include "base/process/process.h" 23 #include "base/process/process.h"
24 #include "base/threading/non_thread_safe.h" 24 #include "base/threading/non_thread_safe.h"
25 #include "ui/gfx/native_widget_types.h" 25 #include "ui/gfx/native_widget_types.h"
26 26
27 #if defined(OS_POSIX) && !defined(OS_ANDROID) 27 #if defined(OS_POSIX) && (!defined(OS_ANDROID) || defined(USE_AURA))
28 #include "base/files/scoped_temp_dir.h" 28 #include "base/files/scoped_temp_dir.h"
29 #endif 29 #endif
30 30
31 #if defined(OS_WIN) 31 #if defined(OS_WIN)
32 #include "base/win/message_window.h" 32 #include "base/win/message_window.h"
33 #endif // defined(OS_WIN) 33 #endif // defined(OS_WIN)
34 34
35 namespace base { 35 namespace base {
36 class CommandLine; 36 class CommandLine;
37 } 37 }
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82 // false is returned, we are not the singleton instance and the caller must 82 // false is returned, we are not the singleton instance and the caller must
83 // exit. 83 // exit.
84 // NOTE: Most callers should generally prefer NotifyOtherProcessOrCreate() to 84 // NOTE: Most callers should generally prefer NotifyOtherProcessOrCreate() to
85 // this method, only callers for whom failure is preferred to notifying 85 // this method, only callers for whom failure is preferred to notifying
86 // another process should call this directly. 86 // another process should call this directly.
87 bool Create(); 87 bool Create();
88 88
89 // Clear any lock state during shutdown. 89 // Clear any lock state during shutdown.
90 void Cleanup(); 90 void Cleanup();
91 91
92 #if defined(OS_POSIX) && !defined(OS_ANDROID) 92 #if defined(OS_POSIX) && (!defined(OS_ANDROID) || defined(USE_AURA))
93 static void DisablePromptForTesting(); 93 static void DisablePromptForTesting();
94 #endif 94 #endif
95 #if defined(OS_WIN) 95 #if defined(OS_WIN)
96 // Called to query whether to kill a hung browser process that has visible 96 // Called to query whether to kill a hung browser process that has visible
97 // windows. Return true to allow killing the hung process. 97 // windows. Return true to allow killing the hung process.
98 using ShouldKillRemoteProcessCallback = base::Callback<bool()>; 98 using ShouldKillRemoteProcessCallback = base::Callback<bool()>;
99 void OverrideShouldKillRemoteProcessCallbackForTesting( 99 void OverrideShouldKillRemoteProcessCallbackForTesting(
100 const ShouldKillRemoteProcessCallback& display_dialog_callback); 100 const ShouldKillRemoteProcessCallback& display_dialog_callback);
101 #endif 101 #endif
102 102
103 protected: 103 protected:
104 // Notify another process, if available. 104 // Notify another process, if available.
105 // Returns true if another process was found and notified, false if we should 105 // Returns true if another process was found and notified, false if we should
106 // continue with the current process. 106 // continue with the current process.
107 // On Windows, Create() has to be called before this. 107 // On Windows, Create() has to be called before this.
108 NotifyResult NotifyOtherProcess(); 108 NotifyResult NotifyOtherProcess();
109 109
110 #if defined(OS_POSIX) && !defined(OS_ANDROID) 110 #if defined(OS_POSIX) && (!defined(OS_ANDROID) || defined(USE_AURA))
111 // Exposed for testing. We use a timeout on Linux, and in tests we want 111 // Exposed for testing. We use a timeout on Linux, and in tests we want
112 // this timeout to be short. 112 // this timeout to be short.
113 NotifyResult NotifyOtherProcessWithTimeout( 113 NotifyResult NotifyOtherProcessWithTimeout(
114 const base::CommandLine& command_line, 114 const base::CommandLine& command_line,
115 int retry_attempts, 115 int retry_attempts,
116 const base::TimeDelta& timeout, 116 const base::TimeDelta& timeout,
117 bool kill_unresponsive); 117 bool kill_unresponsive);
118 NotifyResult NotifyOtherProcessWithTimeoutOrCreate( 118 NotifyResult NotifyOtherProcessWithTimeoutOrCreate(
119 const base::CommandLine& command_line, 119 const base::CommandLine& command_line,
120 int retry_attempts, 120 int retry_attempts,
121 const base::TimeDelta& timeout); 121 const base::TimeDelta& timeout);
122 void OverrideCurrentPidForTesting(base::ProcessId pid); 122 void OverrideCurrentPidForTesting(base::ProcessId pid);
123 void OverrideKillCallbackForTesting( 123 void OverrideKillCallbackForTesting(
124 const base::Callback<void(int)>& callback); 124 const base::Callback<void(int)>& callback);
125 #endif 125 #endif
126 126
127 private: 127 private:
128 NotificationCallback notification_callback_; // Handler for notifications. 128 NotificationCallback notification_callback_; // Handler for notifications.
129 129
130 #if defined(OS_WIN) 130 #if defined(OS_WIN)
131 bool EscapeVirtualization(const base::FilePath& user_data_dir); 131 bool EscapeVirtualization(const base::FilePath& user_data_dir);
132 132
133 HWND remote_window_; // The HWND_MESSAGE of another browser. 133 HWND remote_window_; // The HWND_MESSAGE of another browser.
134 base::win::MessageWindow window_; // The message-only window. 134 base::win::MessageWindow window_; // The message-only window.
135 bool is_virtualized_; // Stuck inside Microsoft Softricity VM environment. 135 bool is_virtualized_; // Stuck inside Microsoft Softricity VM environment.
136 HANDLE lock_file_; 136 HANDLE lock_file_;
137 base::FilePath user_data_dir_; 137 base::FilePath user_data_dir_;
138 ShouldKillRemoteProcessCallback should_kill_remote_process_callback_; 138 ShouldKillRemoteProcessCallback should_kill_remote_process_callback_;
139 #elif defined(OS_POSIX) && !defined(OS_ANDROID) 139 #elif defined(OS_POSIX) && (!defined(OS_ANDROID) || defined(USE_AURA))
140 // Return true if the given pid is one of our child processes. 140 // Return true if the given pid is one of our child processes.
141 // Assumes that the current pid is the root of all pids of the current 141 // Assumes that the current pid is the root of all pids of the current
142 // instance. 142 // instance.
143 bool IsSameChromeInstance(pid_t pid); 143 bool IsSameChromeInstance(pid_t pid);
144 144
145 // Extract the process's pid from a symbol link path and if it is on 145 // Extract the process's pid from a symbol link path and if it is on
146 // the same host, kill the process, unlink the lock file and return true. 146 // the same host, kill the process, unlink the lock file and return true.
147 // If the process is part of the same chrome instance, unlink the lock file 147 // If the process is part of the same chrome instance, unlink the lock file
148 // and return true without killing it. 148 // and return true without killing it.
149 // If the process is on a different host, return false. 149 // If the process is on a different host, return false.
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174 // Helper class for linux specific messages. LinuxWatcher is ref counted 174 // Helper class for linux specific messages. LinuxWatcher is ref counted
175 // because it posts messages between threads. 175 // because it posts messages between threads.
176 class LinuxWatcher; 176 class LinuxWatcher;
177 scoped_refptr<LinuxWatcher> watcher_; 177 scoped_refptr<LinuxWatcher> watcher_;
178 #endif 178 #endif
179 179
180 DISALLOW_COPY_AND_ASSIGN(ProcessSingleton); 180 DISALLOW_COPY_AND_ASSIGN(ProcessSingleton);
181 }; 181 };
182 182
183 #endif // CHROME_BROWSER_PROCESS_SINGLETON_H_ 183 #endif // CHROME_BROWSER_PROCESS_SINGLETON_H_
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