| OLD | NEW |
| (Empty) |
| 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 #ifndef BASE_TEST_SEQUENCED_WORKER_POOL_OWNER_H_ | |
| 6 #define BASE_TEST_SEQUENCED_WORKER_POOL_OWNER_H_ | |
| 7 | |
| 8 #include <cstddef> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/callback.h" | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "base/memory/ref_counted.h" | |
| 15 #include "base/synchronization/lock.h" | |
| 16 #include "base/threading/sequenced_worker_pool.h" | |
| 17 | |
| 18 namespace base { | |
| 19 | |
| 20 class MessageLoop; | |
| 21 | |
| 22 // Wrapper around SequencedWorkerPool for testing that blocks destruction | |
| 23 // until the pool is actually destroyed. This is so that a | |
| 24 // SequencedWorkerPool from one test doesn't outlive its test and cause | |
| 25 // strange races with other tests that touch global stuff (like histograms and | |
| 26 // logging). However, this requires that nothing else on this thread holds a | |
| 27 // ref to the pool when the SequencedWorkerPoolOwner is destroyed. | |
| 28 class SequencedWorkerPoolOwner : public SequencedWorkerPool::TestingObserver { | |
| 29 public: | |
| 30 SequencedWorkerPoolOwner(size_t max_threads, | |
| 31 const std::string& thread_name_prefix); | |
| 32 | |
| 33 ~SequencedWorkerPoolOwner() override; | |
| 34 | |
| 35 // Don't change the returned pool's testing observer. | |
| 36 const scoped_refptr<SequencedWorkerPool>& pool(); | |
| 37 | |
| 38 // The given callback will be called on WillWaitForShutdown(). | |
| 39 void SetWillWaitForShutdownCallback(const Closure& callback); | |
| 40 | |
| 41 int has_work_call_count() const; | |
| 42 | |
| 43 private: | |
| 44 // SequencedWorkerPool::TestingObserver implementation. | |
| 45 void OnHasWork() override; | |
| 46 void WillWaitForShutdown() override; | |
| 47 void OnDestruct() override; | |
| 48 | |
| 49 MessageLoop* const constructor_message_loop_; | |
| 50 scoped_refptr<SequencedWorkerPool> pool_; | |
| 51 Closure will_wait_for_shutdown_callback_; | |
| 52 | |
| 53 mutable Lock has_work_lock_; | |
| 54 int has_work_call_count_; | |
| 55 | |
| 56 DISALLOW_COPY_AND_ASSIGN(SequencedWorkerPoolOwner); | |
| 57 }; | |
| 58 | |
| 59 } // namespace base | |
| 60 | |
| 61 #endif // BASE_TEST_SEQUENCED_WORKER_POOL_OWNER_H_ | |
| OLD | NEW |