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 #include "base/threading/thread_checker_impl.h" 6 7 namespace base { 8 9 ThreadCheckerImpl::ThreadCheckerImpl() 10 : valid_thread_id_() { 11 EnsureThreadIdAssigned(); 12 } 13 14 ThreadCheckerImpl::~ThreadCheckerImpl() {} 15 16 bool ThreadCheckerImpl::CalledOnValidThread() const { 17 EnsureThreadIdAssigned(); 18 AutoLock auto_lock(lock_); 19 return valid_thread_id_ == PlatformThread::CurrentRef(); 20 } 21 22 void ThreadCheckerImpl::DetachFromThread() { 23 AutoLock auto_lock(lock_); 24 valid_thread_id_ = PlatformThreadRef(); 25 } 26 27 void ThreadCheckerImpl::EnsureThreadIdAssigned() const { 28 AutoLock auto_lock(lock_); 29 if (valid_thread_id_.is_null()) { 30 valid_thread_id_ = PlatformThread::CurrentRef(); 31 } 32 } 33 34 } // namespace base 35
