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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/synchronization/waitable_event.h" | 11 #include "base/synchronization/waitable_event.h" |
| 12 #include "base/time/time.h" | 12 #include "base/time/time.h" |
| 13 #include "build/build_config.h" | 13 #include "build/build_config.h" |
| 14 | 14 |
| 15 namespace base { | 15 namespace base { |
| 16 namespace internal { | 16 namespace internal { |
| 17 | 17 |
| 18 namespace { | 18 namespace { |
| 19 | 19 |
| 20 #ifndef NDEBUG | 20 #if !defined(NDEBUG) || defined(DCHECK_ALWAYS_ON) |
| 21 // Delays larger than this are often bogus, and a warning should be emitted in | 21 // Delays larger than this are often bogus, and a warning should be emitted in |
| 22 // debug builds to warn developers. http://crbug.com/450045 | 22 // debug builds to warn developers. http://crbug.com/450045 |
| 23 const int kTaskDelayWarningThresholdInSeconds = | 23 const int kTaskDelayWarningThresholdInSeconds = |
| 24 14 * 24 * 60 * 60; // 14 days. | 24 14 * 24 * 60 * 60; // 14 days. |
| 25 #endif | 25 #endif |
| 26 | 26 |
| 27 // Returns true if MessagePump::ScheduleWork() must be called one | 27 // Returns true if MessagePump::ScheduleWork() must be called one |
| 28 // time for every task that is added to the MessageLoop incoming queue. | 28 // time for every task that is added to the MessageLoop incoming queue. |
| 29 bool AlwaysNotifyPump(MessageLoop::Type type) { | 29 bool AlwaysNotifyPump(MessageLoop::Type type) { |
| 30 #if defined(OS_ANDROID) | 30 #if defined(OS_ANDROID) |
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| 173 // After we've scheduled the message loop, we do not need to do so again | 173 // 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 | 174 // 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 | 175 // 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 | 176 // reload from the incoming queue before waiting again so we clear this flag |
| 177 // in ReloadWorkQueue(). | 177 // in ReloadWorkQueue(). |
| 178 message_loop_scheduled_ = true; | 178 message_loop_scheduled_ = true; |
| 179 } | 179 } |
| 180 | 180 |
| 181 } // namespace internal | 181 } // namespace internal |
| 182 } // namespace base | 182 } // namespace base |
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