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Side by Side Diff: base/message_loop/message_loop.h

Issue 2394833004: MessageLoop mischief
Patch Set: . Created 3 years, 10 months ago
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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 #ifndef BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ 5 #ifndef BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
6 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ 6 #define BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
7 7
8 #include <memory> 8 #include <memory>
9 #include <queue> 9 #include <queue>
10 #include <string> 10 #include <string>
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377 // Called to process any delayed non-nestable tasks. 377 // Called to process any delayed non-nestable tasks.
378 bool ProcessNextDelayedNonNestableTask(); 378 bool ProcessNextDelayedNonNestableTask();
379 379
380 // Calls RunTask or queues the pending_task on the deferred task list if it 380 // Calls RunTask or queues the pending_task on the deferred task list if it
381 // cannot be run right now. Returns true if the task was run. 381 // cannot be run right now. Returns true if the task was run.
382 bool DeferOrRunPendingTask(PendingTask pending_task); 382 bool DeferOrRunPendingTask(PendingTask pending_task);
383 383
384 // Adds the pending task to delayed_work_queue_. 384 // Adds the pending task to delayed_work_queue_.
385 void AddToDelayedWorkQueue(PendingTask pending_task); 385 void AddToDelayedWorkQueue(PendingTask pending_task);
386 386
387 bool SweepDelayedWorkQueue();
388
387 // Delete tasks that haven't run yet without running them. Used in the 389 // Delete tasks that haven't run yet without running them. Used in the
388 // destructor to make sure all the task's destructors get called. Returns 390 // destructor to make sure all the task's destructors get called. Returns
389 // true if some work was done. 391 // true if some work was done.
390 bool DeletePendingTasks(); 392 bool DeletePendingTasks();
391 393
392 // Loads tasks from the incoming queue to |work_queue_| if the latter is 394 // Loads tasks from the incoming queue to |work_queue_| if the latter is
393 // empty. 395 // empty.
394 void ReloadWorkQueue(); 396 void ReloadWorkQueue();
395 397
396 // Wakes up the message pump. Can be called on any thread. The caller is 398 // Wakes up the message pump. Can be called on any thread. The caller is
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609 611
610 // Do not add any member variables to MessageLoopForIO! This is important b/c 612 // Do not add any member variables to MessageLoopForIO! This is important b/c
611 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO). Any extra 613 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO). Any extra
612 // data that you need should be stored on the MessageLoop's pump_ instance. 614 // data that you need should be stored on the MessageLoop's pump_ instance.
613 static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForIO), 615 static_assert(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
614 "MessageLoopForIO should not have extra member variables"); 616 "MessageLoopForIO should not have extra member variables");
615 617
616 } // namespace base 618 } // namespace base
617 619
618 #endif // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_ 620 #endif // BASE_MESSAGE_LOOP_MESSAGE_LOOP_H_
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