| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/sequence_checker_impl.h" |
| |
| #include "base/sequenced_task_runner.h" |
| |
| namespace base { |
| |
| SequenceCheckerImpl::SequenceCheckerImpl( |
| const scoped_refptr<SequencedTaskRunner>& sequenced_task_runner) |
| : sequenced_task_runner_(sequenced_task_runner) {} |
| |
| SequenceCheckerImpl::~SequenceCheckerImpl() {} |
| |
| bool SequenceCheckerImpl::CalledOnValidSequence() const { |
| AutoLock auto_lock(lock_); |
| return sequenced_task_runner_.get() ? |
| sequenced_task_runner_->RunsTasksOnCurrentThread() : |
| thread_checker_.CalledOnValidThread(); |
| } |
| |
| void SequenceCheckerImpl::ChangeSequence( |
| const scoped_refptr<SequencedTaskRunner>& sequenced_task_runner) { |
| AutoLock auto_lock(lock_); |
| sequenced_task_runner_ = sequenced_task_runner; |
| thread_checker_.DetachFromThread(); |
| } |
| |
| } // namespace base |