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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 "platform/scheduler/base/task_queue_impl.h" | 5 #include "platform/scheduler/base/task_queue_impl.h" |
6 | 6 |
7 #include <utility> | 7 #include <utility> |
8 | 8 |
9 #include "base/format_macros.h" | 9 #include "base/format_macros.h" |
10 #include "base/memory/ptr_util.h" | 10 #include "base/memory/ptr_util.h" |
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689 } | 689 } |
690 | 690 |
691 base::AutoLock lock(immediate_incoming_queue_lock_); | 691 base::AutoLock lock(immediate_incoming_queue_lock_); |
692 if (immediate_incoming_queue().empty()) | 692 if (immediate_incoming_queue().empty()) |
693 return true; | 693 return true; |
694 | 694 |
695 return immediate_incoming_queue().front().enqueue_order() > | 695 return immediate_incoming_queue().front().enqueue_order() > |
696 main_thread_only().current_fence; | 696 main_thread_only().current_fence; |
697 } | 697 } |
698 | 698 |
| 699 bool TaskQueueImpl::HasFence() const { |
| 700 return !!main_thread_only().current_fence; |
| 701 } |
| 702 |
699 bool TaskQueueImpl::CouldTaskRun(EnqueueOrder enqueue_order) const { | 703 bool TaskQueueImpl::CouldTaskRun(EnqueueOrder enqueue_order) const { |
700 if (!IsQueueEnabled()) | 704 if (!IsQueueEnabled()) |
701 return false; | 705 return false; |
702 | 706 |
703 if (!main_thread_only().current_fence) | 707 if (!main_thread_only().current_fence) |
704 return true; | 708 return true; |
705 | 709 |
706 return enqueue_order < main_thread_only().current_fence; | 710 return enqueue_order < main_thread_only().current_fence; |
707 } | 711 } |
708 | 712 |
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903 } | 907 } |
904 | 908 |
905 void TaskQueueImpl::NotifyWakeUpChangedOnMainThread(base::TimeTicks wake_up) { | 909 void TaskQueueImpl::NotifyWakeUpChangedOnMainThread(base::TimeTicks wake_up) { |
906 if (main_thread_only().observer) | 910 if (main_thread_only().observer) |
907 main_thread_only().observer->OnQueueNextWakeUpChanged(this, wake_up); | 911 main_thread_only().observer->OnQueueNextWakeUpChanged(this, wake_up); |
908 } | 912 } |
909 | 913 |
910 } // namespace internal | 914 } // namespace internal |
911 } // namespace scheduler | 915 } // namespace scheduler |
912 } // namespace blink | 916 } // namespace blink |
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