diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc')
-rw-r--r-- | contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc b/contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc new file mode 100644 index 0000000..7426851 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/sync/cpp_atomic_ops_linkable.cc @@ -0,0 +1,119 @@ +/* $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 */ +} |