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37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
// (C) Copyright John Maddock 2012
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/config for more information.
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// MACRO: BOOST_NO_CXX11_ATOMIC_SMART_PTR
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// TITLE: C++11 <memory> does not support atomic smart pointer operations
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// DESCRIPTION: The compiler does not support the C++11 atomic smart pointer features added to <memory>
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#include <memory>
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namespace boost_no_cxx11_atomic_smart_ptr {
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int test()
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{
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std::shared_ptr<int> spi(new int), spi2(new int);
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spi = std::static_pointer_cast<int>(spi);
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atomic_is_lock_free(&spi);
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atomic_load(&spi);
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atomic_load_explicit(&spi, std::memory_order_relaxed);
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atomic_store(&spi, spi2);
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atomic_store_explicit(&spi, spi2, std::memory_order_relaxed);
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atomic_exchange(&spi, spi2);
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atomic_compare_exchange_weak(&spi, &spi2, spi);
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atomic_compare_exchange_strong(&spi, &spi2, spi);
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atomic_compare_exchange_weak_explicit(&spi, &spi2, spi, std::memory_order_relaxed, std::memory_order_relaxed);
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atomic_compare_exchange_strong_explicit(&spi, &spi2, spi, std::memory_order_relaxed, std::memory_order_relaxed);
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return 0;
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}
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}
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