59 lines
2.9 KiB
C++
Executable File
59 lines
2.9 KiB
C++
Executable File
/*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* Copyright (c) 2021 Andrey Semashev
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*/
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/*!
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* \file atomic/detail/wait_caps_darwin_ulock.hpp
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*
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* This header defines waiting/notifying operations capabilities macros.
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*/
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#ifndef BOOST_ATOMIC_DETAIL_WAIT_CAPS_DARWIN_ULOCK_HPP_INCLUDED_
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#define BOOST_ATOMIC_DETAIL_WAIT_CAPS_DARWIN_ULOCK_HPP_INCLUDED_
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#include <boost/atomic/detail/config.hpp>
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#include <boost/atomic/detail/capabilities.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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#define BOOST_ATOMIC_HAS_NATIVE_INT32_WAIT_NOTIFY BOOST_ATOMIC_INT32_LOCK_FREE
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// Darwin 19+ (Mac OS 10.15+, iOS 13.0+, tvOS 13.0+, watchOS 6.0+) adds support for 64-bit
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// and inter-process ulock operations.
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// https://shift.click/blog/futex-like-apis/#darwin-macos-ios-tvos-watchos-and-more
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// https://github.com/thomcc/ulock-sys/blob/2597e63cc5372459a903c292a3919d385a3e3789/src/lib.rs
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#if (defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 101500) || \
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(defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 130000) || \
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(defined(__ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__ >= 130000) || \
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(defined(__ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__ >= 60000)
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#define BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK64
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#define BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK_SHARED
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#endif
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// Darwin 20+ (Mac OS 11.0+, iOS 14.0+, tvOS 14.0+, watchOS 7.0+) introduces __ulock_wait2, which accepts
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// the timeout in nanoseconds. __ulock_wait is a wrapper on top of __ulock_wait2.
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#if (defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 110000) || \
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(defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ >= 140000) || \
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(defined(__ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_TV_OS_VERSION_MIN_REQUIRED__ >= 140000) || \
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(defined(__ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_WATCH_OS_VERSION_MIN_REQUIRED__ >= 70000)
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#define BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK_WAIT2
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#endif
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#if defined(BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK_SHARED)
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#define BOOST_ATOMIC_HAS_NATIVE_INT32_IPC_WAIT_NOTIFY BOOST_ATOMIC_INT32_LOCK_FREE
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#endif // defined(BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK_SHARED)
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#if defined(BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK64)
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#define BOOST_ATOMIC_HAS_NATIVE_INT64_WAIT_NOTIFY BOOST_ATOMIC_INT64_LOCK_FREE
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#if defined(BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK_SHARED)
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#define BOOST_ATOMIC_HAS_NATIVE_INT64_IPC_WAIT_NOTIFY BOOST_ATOMIC_INT64_LOCK_FREE
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#endif // defined(BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK_SHARED)
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#endif // defined(BOOST_ATOMIC_DETAIL_HAS_DARWIN_ULOCK64)
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#endif // BOOST_ATOMIC_DETAIL_WAIT_CAPS_DARWIN_ULOCK_HPP_INCLUDED_
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