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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/task_runner.h" | |
| 6 | |
| 7 #include "base/compiler_specific.h" | |
| 8 #include "base/logging.h" | |
| 9 #include "base/threading/post_task_and_reply_impl.h" | |
| 10 | |
| 11 namespace base { | |
| 12 | |
| 13 namespace { | |
| 14 | |
| 15 // TODO(akalin): There's only one other implementation of | |
| 16 // PostTaskAndReplyImpl in WorkerPool. Investigate whether it'll be | |
| 17 // possible to merge the two. | |
| 18 class PostTaskAndReplyTaskRunner : public internal::PostTaskAndReplyImpl { | |
| 19 public: | |
| 20 explicit PostTaskAndReplyTaskRunner(TaskRunner* destination); | |
| 21 | |
| 22 private: | |
| 23 bool PostTask(const tracked_objects::Location& from_here, | |
| 24 const Closure& task) override; | |
| 25 | |
| 26 // Non-owning. | |
| 27 TaskRunner* destination_; | |
| 28 }; | |
| 29 | |
| 30 PostTaskAndReplyTaskRunner::PostTaskAndReplyTaskRunner( | |
| 31 TaskRunner* destination) : destination_(destination) { | |
| 32 DCHECK(destination_); | |
| 33 } | |
| 34 | |
| 35 bool PostTaskAndReplyTaskRunner::PostTask( | |
| 36 const tracked_objects::Location& from_here, | |
| 37 const Closure& task) { | |
| 38 return destination_->PostTask(from_here, task); | |
| 39 } | |
| 40 | |
| 41 } // namespace | |
| 42 | |
| 43 bool TaskRunner::PostTask(const tracked_objects::Location& from_here, | |
| 44 const Closure& task) { | |
| 45 return PostDelayedTask(from_here, task, base::TimeDelta()); | |
| 46 } | |
| 47 | |
| 48 bool TaskRunner::PostTaskAndReply( | |
| 49 const tracked_objects::Location& from_here, | |
| 50 const Closure& task, | |
| 51 const Closure& reply) { | |
| 52 return PostTaskAndReplyTaskRunner(this).PostTaskAndReply( | |
| 53 from_here, task, reply); | |
| 54 } | |
| 55 | |
| 56 TaskRunner::TaskRunner() {} | |
| 57 | |
| 58 TaskRunner::~TaskRunner() {} | |
| 59 | |
| 60 void TaskRunner::OnDestruct() const { | |
| 61 delete this; | |
| 62 } | |
| 63 | |
| 64 void TaskRunnerTraits::Destruct(const TaskRunner* task_runner) { | |
| 65 task_runner->OnDestruct(); | |
| 66 } | |
| 67 | |
| 68 } // namespace base | |
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