| /* |
| * Distributed under the Boost Software License, Version 1.0. |
| * (See accompanying file LICENSE_1_0.txt or copy at |
| * http://www.boost.org/LICENSE_1_0.txt) |
| * |
| * Copyright (c) 2020 Andrey Semashev |
| */ |
| /*! |
| * \file atomic/detail/wait_caps_windows.hpp |
| * |
| * This header defines waiting/notifying operations capabilities macros. |
| */ |
| |
| #ifndef BOOST_ATOMIC_DETAIL_WAIT_CAPS_WINDOWS_HPP_INCLUDED_ |
| #define BOOST_ATOMIC_DETAIL_WAIT_CAPS_WINDOWS_HPP_INCLUDED_ |
| |
| #include <boost/winapi/config.hpp> |
| #include <boost/atomic/detail/config.hpp> |
| #include <boost/atomic/detail/capabilities.hpp> |
| |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| #pragma once |
| #endif |
| |
| // MSDN says WaitOnAddress, WakeByAddressSingle and WakeByAddressAll only support notifications between threads of the same process, so no address-free operations. |
| // https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitonaddress |
| // https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-wakebyaddresssingle |
| // https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-wakebyaddressall |
| |
| #if BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN8 && (BOOST_WINAPI_PARTITION_APP || BOOST_WINAPI_PARTITION_SYSTEM) |
| |
| #define BOOST_ATOMIC_HAS_NATIVE_INT8_WAIT_NOTIFY BOOST_ATOMIC_INT8_LOCK_FREE |
| #define BOOST_ATOMIC_HAS_NATIVE_INT16_WAIT_NOTIFY BOOST_ATOMIC_INT16_LOCK_FREE |
| #define BOOST_ATOMIC_HAS_NATIVE_INT32_WAIT_NOTIFY BOOST_ATOMIC_INT32_LOCK_FREE |
| #define BOOST_ATOMIC_HAS_NATIVE_INT64_WAIT_NOTIFY BOOST_ATOMIC_INT64_LOCK_FREE |
| |
| #else // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN8 && (BOOST_WINAPI_PARTITION_APP || BOOST_WINAPI_PARTITION_SYSTEM) |
| |
| // Since will detect availability of WaitOnAddress etc. at run time, we have to define capability macros to 1 instead of 2 |
| #if BOOST_ATOMIC_INT8_LOCK_FREE > 0 |
| #define BOOST_ATOMIC_HAS_NATIVE_INT8_WAIT_NOTIFY 1 |
| #endif |
| #if BOOST_ATOMIC_INT16_LOCK_FREE > 0 |
| #define BOOST_ATOMIC_HAS_NATIVE_INT16_WAIT_NOTIFY 1 |
| #endif |
| #if BOOST_ATOMIC_INT32_LOCK_FREE > 0 |
| #define BOOST_ATOMIC_HAS_NATIVE_INT32_WAIT_NOTIFY 1 |
| #endif |
| #if BOOST_ATOMIC_INT64_LOCK_FREE > 0 |
| #define BOOST_ATOMIC_HAS_NATIVE_INT64_WAIT_NOTIFY 1 |
| #endif |
| |
| #endif // BOOST_USE_WINAPI_VERSION >= BOOST_WINAPI_VERSION_WIN8 && (BOOST_WINAPI_PARTITION_APP || BOOST_WINAPI_PARTITION_SYSTEM) |
| |
| #endif // BOOST_ATOMIC_DETAIL_WAIT_CAPS_WINDOWS_HPP_INCLUDED_ |
