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all_sync_ops_linkable.c
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cpp_atomic_ops_linkable.cc
(3.12 KB)
Editing: cpp_atomic_ops_linkable.cc
/* $NetBSD: cpp_atomic_ops_linkable.cc,v 1.5 2017/01/11 12:10:26 joerg Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Martin Husemann <martin@NetBSD.org>. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * This is a simple link-time test to verify all builtin atomic sync * operations for C++ <atomic> are available. */ #include <atomic> #include <machine/types.h> // for __HAVE_ATOMIC64_OPS template <class T> class ATest { public: ATest() : m_val(0) { m_val.exchange(std::atomic<T>(8)); m_val--; m_val++; m_val ^= 0x0f; m_val &= 0x0f; m_val |= 2; T tval(1), other(42); m_val.compare_exchange_weak(tval, other, std::memory_order_release, std::memory_order_relaxed); } private: volatile std::atomic<T> m_val; }; int main(int argc, char **argv) { ATest<char>(); ATest<signed char>(); ATest<unsigned char>(); ATest<short>(); ATest<unsigned short>(); ATest<int>(); ATest<unsigned int>(); ATest<long>(); ATest<unsigned long>(); #ifdef __HAVE_ATOMIC64_OPS ATest<long long>(); ATest<unsigned long long>(); #endif ATest<char16_t>(); ATest<char32_t>(); ATest<wchar_t>(); ATest<int_least8_t>(); ATest<uint_least8_t>(); ATest<int_least16_t>(); ATest<uint_least16_t>(); ATest<int_least32_t>(); ATest<uint_least32_t>(); #ifdef __HAVE_ATOMIC64_OPS ATest<int_least64_t>(); ATest<uint_least64_t>(); #endif ATest<int_fast8_t>(); ATest<uint_fast8_t>(); ATest<int_fast16_t>(); ATest<uint_fast16_t>(); ATest<int_fast32_t>(); ATest<uint_fast32_t>(); #ifdef __HAVE_ATOMIC64_OPS ATest<int_fast64_t>(); ATest<uint_fast64_t>(); #endif ATest<intptr_t>(); ATest<uintptr_t>(); ATest<std::size_t>(); ATest<std::ptrdiff_t>(); #ifdef __HAVE_ATOMIC64_OPS ATest<intmax_t>(); ATest<uintmax_t>(); #endif }
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