/usr/include/caf/detail/cas_weak.hpp is in libcaf-dev 0.13.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2015 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
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* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#ifndef CAF_DETAIL_CAS_WEAK_HPP
#define CAF_DETAIL_CAS_WEAK_HPP
#include <atomic>
#include "caf/config.hpp"
namespace caf {
namespace detail {
template<class T>
bool cas_weak(std::atomic<T>* obj, T* expected, T desired) {
# if (defined(CAF_CLANG) && CAF_COMPILER_VERSION < 30401) \
|| (defined(CAF_GCC) && CAF_COMPILER_VERSION < 40803)
return std::atomic_compare_exchange_strong(obj, expected, desired);
# else
return std::atomic_compare_exchange_weak(obj, expected, desired);
# endif
}
} // namespace detail
} // namespace caf
#endif // CAF_DETAIL_CAS_WEAK_HPP
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