1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/security/sandbox/chromium/base/thread_task_runner_handle.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,40 @@ 1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved. 1.5 +// Use of this source code is governed by a BSD-style license that can be 1.6 +// found in the LICENSE file. 1.7 + 1.8 +#ifndef BASE_THREAD_TASK_RUNNER_HANDLE_H_ 1.9 +#define BASE_THREAD_TASK_RUNNER_HANDLE_H_ 1.10 + 1.11 +#include "base/base_export.h" 1.12 +#include "base/memory/ref_counted.h" 1.13 + 1.14 +namespace base { 1.15 + 1.16 +class SingleThreadTaskRunner; 1.17 + 1.18 +// ThreadTaskRunnerHandle stores a reference to a thread's TaskRunner 1.19 +// in thread-local storage. Callers can then retrieve the TaskRunner 1.20 +// for the current thread by calling ThreadTaskRunnerHandle::Get(). 1.21 +// At most one TaskRunner may be bound to each thread at a time. 1.22 +class BASE_EXPORT ThreadTaskRunnerHandle { 1.23 + public: 1.24 + // Gets the SingleThreadTaskRunner for the current thread. 1.25 + static scoped_refptr<SingleThreadTaskRunner> Get(); 1.26 + 1.27 + // Returns true if the SingleThreadTaskRunner is already created for 1.28 + // the current thread. 1.29 + static bool IsSet(); 1.30 + 1.31 + // Binds |task_runner| to the current thread. |task_runner| must belong 1.32 + // to the current thread for this to succeed. 1.33 + explicit ThreadTaskRunnerHandle( 1.34 + const scoped_refptr<SingleThreadTaskRunner>& task_runner); 1.35 + ~ThreadTaskRunnerHandle(); 1.36 + 1.37 + private: 1.38 + scoped_refptr<SingleThreadTaskRunner> task_runner_; 1.39 +}; 1.40 + 1.41 +} // namespace base 1.42 + 1.43 +#endif // BASE_THREAD_TASK_RUNNER_HANDLE_H_