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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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684 } | 684 } |
685 | 685 |
686 base::AutoLock lock(immediate_incoming_queue_lock_); | 686 base::AutoLock lock(immediate_incoming_queue_lock_); |
687 if (immediate_incoming_queue().empty()) | 687 if (immediate_incoming_queue().empty()) |
688 return true; | 688 return true; |
689 | 689 |
690 return immediate_incoming_queue().front().enqueue_order() > | 690 return immediate_incoming_queue().front().enqueue_order() > |
691 main_thread_only().current_fence; | 691 main_thread_only().current_fence; |
692 } | 692 } |
693 | 693 |
| 694 bool TaskQueueImpl::HasFence() const { |
| 695 return !!main_thread_only().current_fence; |
| 696 } |
| 697 |
694 bool TaskQueueImpl::CouldTaskRun(EnqueueOrder enqueue_order) const { | 698 bool TaskQueueImpl::CouldTaskRun(EnqueueOrder enqueue_order) const { |
695 if (!IsQueueEnabled()) | 699 if (!IsQueueEnabled()) |
696 return false; | 700 return false; |
697 | 701 |
698 if (!main_thread_only().current_fence) | 702 if (!main_thread_only().current_fence) |
699 return true; | 703 return true; |
700 | 704 |
701 return enqueue_order < main_thread_only().current_fence; | 705 return enqueue_order < main_thread_only().current_fence; |
702 } | 706 } |
703 | 707 |
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901 } | 905 } |
902 | 906 |
903 void TaskQueueImpl::NotifyWakeUpChangedOnMainThread(base::TimeTicks wake_up) { | 907 void TaskQueueImpl::NotifyWakeUpChangedOnMainThread(base::TimeTicks wake_up) { |
904 if (main_thread_only().observer) | 908 if (main_thread_only().observer) |
905 main_thread_only().observer->OnQueueNextWakeUpChanged(this, wake_up); | 909 main_thread_only().observer->OnQueueNextWakeUpChanged(this, wake_up); |
906 } | 910 } |
907 | 911 |
908 } // namespace internal | 912 } // namespace internal |
909 } // namespace scheduler | 913 } // namespace scheduler |
910 } // namespace blink | 914 } // namespace blink |
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