1// Copyright (c) 2011 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_THREADING_NON_THREAD_SAFE_IMPL_H_ 6#define BASE_THREADING_NON_THREAD_SAFE_IMPL_H_ 7#pragma once 8 9#include "base/base_api.h" 10#include "base/threading/thread_checker_impl.h" 11 12namespace base { 13 14// Full implementation of NonThreadSafe, for debug mode or for occasional 15// temporary use in release mode e.g. when you need to CHECK on a thread 16// bug that only occurs in the wild. 17// 18// Note: You should almost always use the NonThreadSafe class to get 19// the right version of the class for your build configuration. 20class BASE_API NonThreadSafeImpl { 21 public: 22 ~NonThreadSafeImpl(); 23 24 bool CalledOnValidThread() const; 25 26 protected: 27 // Changes the thread that is checked for in CalledOnValidThread. The next 28 // call to CalledOnValidThread will attach this class to a new thread. It is 29 // up to the NonThreadSafe derived class to decide to expose this or not. 30 // This may be useful when an object may be created on one thread and then 31 // used exclusively on another thread. 32 void DetachFromThread(); 33 34 private: 35 ThreadCheckerImpl thread_checker_; 36}; 37 38} // namespace base 39 40#endif // BASE_THREADING_NON_THREAD_SAFE_IMPL_H_ 41