1 /* 2 * Distributed under the Boost Software License, Version 1.0. 3 * (See accompanying file LICENSE_1_0.txt or copy at 4 * http://www.boost.org/LICENSE_1_0.txt) 5 * 6 * Copyright (c) 2020 Andrey Semashev 7 */ 8 /*! 9 * \file atomic/detail/wait_caps_dragonfly_umtx.hpp 10 * 11 * This header defines waiting/notifying operations capabilities macros. 12 */ 13 14 #ifndef BOOST_ATOMIC_DETAIL_WAIT_CAPS_DRAGONFLY_UMTX_HPP_INCLUDED_ 15 #define BOOST_ATOMIC_DETAIL_WAIT_CAPS_DRAGONFLY_UMTX_HPP_INCLUDED_ 16 17 #include <boost/atomic/detail/config.hpp> 18 #include <boost/atomic/detail/capabilities.hpp> 19 20 #ifdef BOOST_HAS_PRAGMA_ONCE 21 #pragma once 22 #endif 23 24 // DragonFly BSD umtx_sleep/umtx_wakeup use physical address to the atomic object as a key, which means it should support address-free operations. 25 // https://man.dragonflybsd.org/?command=umtx§ion=2 26 27 #define BOOST_ATOMIC_HAS_NATIVE_INT32_WAIT_NOTIFY BOOST_ATOMIC_INT32_LOCK_FREE 28 #define BOOST_ATOMIC_HAS_NATIVE_INT32_IPC_WAIT_NOTIFY BOOST_ATOMIC_INT32_LOCK_FREE 29 30 #endif // BOOST_ATOMIC_DETAIL_WAIT_CAPS_DRAGONFLY_UMTX_HPP_INCLUDED_ 31