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/* $NetBSD: cpp_atomic_ops_linkable.cc,v 1.4 2016/02/27 18:50:39 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;
};
#if defined(__clang__) && defined(__sparc64__)
#define NO_SHORT_ATOMICS
#endif
int main(int argc, char **argv)
{
#ifndef NO_SHORT_ATOMICS
ATest<char>();
ATest<signed char>();
ATest<unsigned char>();
ATest<short>();
ATest<unsigned short>();
#endif
ATest<int>();
ATest<unsigned int>();
ATest<long>();
ATest<unsigned long>();
#ifdef __HAVE_ATOMIC64_OPS
ATest<long long>();
ATest<unsigned long long>();
#endif
#ifndef NO_SHORT_ATOMICS
ATest<char16_t>();
#endif
ATest<char32_t>();
ATest<wchar_t>();
#ifndef NO_SHORT_ATOMICS
ATest<int_least8_t>();
ATest<uint_least8_t>();
ATest<int_least16_t>();
ATest<uint_least16_t>();
#endif
ATest<int_least32_t>();
ATest<uint_least32_t>();
#ifdef __HAVE_ATOMIC64_OPS
ATest<int_least64_t>();
ATest<uint_least64_t>();
#endif
#ifndef NO_SHORT_ATOMICS
ATest<int_fast8_t>();
ATest<uint_fast8_t>();
ATest<int_fast16_t>();
ATest<uint_fast16_t>();
#endif
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 /* NO_SHORT_ATOMICS */
}
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