WSJT-X/boost/libs/config/test/boost_no_cxx11_atomic_sp.ipp

37 lines
1.3 KiB
C++

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