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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 #include "remoting/host/plugin/host_log_handler.h" | 5 #include "remoting/host/plugin/host_log_handler.h" |
6 | 6 |
7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
8 #include "remoting/base/util.h" | 8 #include "remoting/base/util.h" |
9 #include "remoting/host/plugin/host_script_object.h" | 9 #include "remoting/host/plugin/host_script_object.h" |
10 | 10 |
11 namespace remoting { | 11 namespace remoting { |
12 | 12 |
13 // Records whether or not we have a scriptable object registered for logging. | 13 // Records whether or not we have a scriptable object registered for logging. |
14 // This is set inside the lock, but is read (in LogToUI) outside of a lock so | 14 // This is set inside the lock, but is read (in LogToUI) outside of a lock so |
15 // that we don't needlessly slow down the system when we log. | 15 // that we don't needlessly slow down the system when we log. |
16 static bool g_has_logging_scriptable_object = false; | 16 static bool g_has_logging_scriptable_object = false; |
17 | 17 |
18 // The lock that protects the logging globals. | 18 // The lock that protects the logging globals. |
19 static base::LazyInstance<base::Lock, | 19 static base::LazyInstance<base::Lock, |
20 base::LeakyLazyInstanceTraits<base::Lock> > | 20 base::LeakyLazyInstanceTraits<base::Lock> > |
21 g_logging_lock(base::LINKER_INITIALIZED); | 21 g_logging_lock = LAZY_INSTANCE_INITIALIZER; |
22 | 22 |
23 // The scriptable object that will display the log information to the user. | 23 // The scriptable object that will display the log information to the user. |
24 static HostNPScriptObject* g_logging_scriptable_object = NULL; | 24 static HostNPScriptObject* g_logging_scriptable_object = NULL; |
25 | 25 |
26 // The previously registered LogMessageHandler. If not NULL, we call this after | 26 // The previously registered LogMessageHandler. If not NULL, we call this after |
27 // we're doing processing the log message. | 27 // we're doing processing the log message. |
28 static logging::LogMessageHandlerFunction g_logging_old_handler = NULL; | 28 static logging::LogMessageHandlerFunction g_logging_old_handler = NULL; |
29 | 29 |
30 // Set to true when we register our global log handler so that we don't try | 30 // Set to true when we register our global log handler so that we don't try |
31 // to register it twice. | 31 // to register it twice. |
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114 } | 114 } |
115 | 115 |
116 // Call the next log handler in the chain. | 116 // Call the next log handler in the chain. |
117 if (g_logging_old_handler) | 117 if (g_logging_old_handler) |
118 return (g_logging_old_handler)(severity, file, line, message_start, str); | 118 return (g_logging_old_handler)(severity, file, line, message_start, str); |
119 | 119 |
120 return false; | 120 return false; |
121 } | 121 } |
122 | 122 |
123 } // namespace remoting | 123 } // namespace remoting |
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