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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "base/message_loop/incoming_task_queue.h" | 5 #include "base/message_loop/incoming_task_queue.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 | 8 |
9 #include "base/location.h" | 9 #include "base/location.h" |
10 #include "base/message_loop/message_loop.h" | 10 #include "base/message_loop/message_loop.h" |
11 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" |
12 #include "base/synchronization/waitable_event.h" | 12 #include "base/synchronization/waitable_event.h" |
13 #include "base/time/time.h" | 13 #include "base/time/time.h" |
| 14 #include "build/build_config.h" |
14 | 15 |
15 namespace base { | 16 namespace base { |
16 namespace internal { | 17 namespace internal { |
17 | 18 |
18 namespace { | 19 namespace { |
19 | 20 |
20 #ifndef NDEBUG | 21 #ifndef NDEBUG |
21 // Delays larger than this are often bogus, and a warning should be emitted in | 22 // Delays larger than this are often bogus, and a warning should be emitted in |
22 // debug builds to warn developers. http://crbug.com/450045 | 23 // debug builds to warn developers. http://crbug.com/450045 |
23 const int kTaskDelayWarningThresholdInSeconds = | 24 const int kTaskDelayWarningThresholdInSeconds = |
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173 // After we've scheduled the message loop, we do not need to do so again | 174 // After we've scheduled the message loop, we do not need to do so again |
174 // until we know it has processed all of the work in our queue and is | 175 // until we know it has processed all of the work in our queue and is |
175 // waiting for more work again. The message loop will always attempt to | 176 // waiting for more work again. The message loop will always attempt to |
176 // reload from the incoming queue before waiting again so we clear this flag | 177 // reload from the incoming queue before waiting again so we clear this flag |
177 // in ReloadWorkQueue(). | 178 // in ReloadWorkQueue(). |
178 message_loop_scheduled_ = true; | 179 message_loop_scheduled_ = true; |
179 } | 180 } |
180 | 181 |
181 } // namespace internal | 182 } // namespace internal |
182 } // namespace base | 183 } // namespace base |
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