| 1 | #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED |
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| 2 | #define BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED |
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| 3 | |
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| 4 | // MS compatible compilers support #pragma once |
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| 5 | |
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| 6 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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| 7 | # pragma once |
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| 8 | #endif |
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| 9 | |
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| 10 | // |
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| 11 | // boost/detail/spinlock.hpp |
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| 12 | // |
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| 13 | // Copyright (c) 2008 Peter Dimov |
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| 14 | // |
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| 15 | // Distributed under the Boost Software License, Version 1.0. |
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| 16 | // See accompanying file LICENSE_1_0.txt or copy at |
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| 17 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 18 | // |
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| 19 | // struct spinlock |
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| 20 | // { |
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| 21 | // void lock(); |
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| 22 | // bool try_lock(); |
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| 23 | // void unlock(); |
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| 24 | // |
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| 25 | // class scoped_lock; |
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| 26 | // }; |
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| 27 | // |
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| 28 | // #define BOOST_DETAIL_SPINLOCK_INIT <unspecified> |
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| 29 | // |
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| 30 | |
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| 31 | #include <boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp> |
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| 32 | #include <boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp> |
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| 33 | #include <boost/config.hpp> |
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| 34 | |
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| 35 | #if defined( BOOST_SP_USE_STD_ATOMIC ) |
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| 36 | # include <boost/smart_ptr/detail/spinlock_std_atomic.hpp> |
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| 37 | |
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| 38 | #elif defined( BOOST_SP_USE_PTHREADS ) |
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| 39 | # include <boost/smart_ptr/detail/spinlock_pt.hpp> |
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| 40 | |
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| 41 | #elif defined( BOOST_SP_HAS_GCC_INTRINSICS ) |
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| 42 | # include <boost/smart_ptr/detail/spinlock_gcc_atomic.hpp> |
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| 43 | |
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| 44 | #elif !defined( BOOST_NO_CXX11_HDR_ATOMIC ) |
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| 45 | # include <boost/smart_ptr/detail/spinlock_std_atomic.hpp> |
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| 46 | |
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| 47 | #elif defined(__GNUC__) && defined( __arm__ ) && !defined( __thumb__ ) |
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| 48 | # include <boost/smart_ptr/detail/spinlock_gcc_arm.hpp> |
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| 49 | |
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| 50 | #elif defined( BOOST_SP_HAS_SYNC_INTRINSICS ) |
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| 51 | # include <boost/smart_ptr/detail/spinlock_sync.hpp> |
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| 52 | |
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| 53 | #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) |
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| 54 | # include <boost/smart_ptr/detail/spinlock_w32.hpp> |
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| 55 | |
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| 56 | #elif defined(BOOST_HAS_PTHREADS) |
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| 57 | # include <boost/smart_ptr/detail/spinlock_pt.hpp> |
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| 58 | |
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| 59 | #elif !defined(BOOST_HAS_THREADS) |
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| 60 | # include <boost/smart_ptr/detail/spinlock_nt.hpp> |
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| 61 | |
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| 62 | #else |
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| 63 | # error Unrecognized threading platform |
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| 64 | #endif |
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| 65 | |
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| 66 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_HPP_INCLUDED |
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| 67 | |
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