defines.hpp

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/*******************************************************************************
 * thrill/common/defines.hpp
 *
 * Define macros.
 *
 * Part of Project Thrill - http://project-thrill.org
 *
 * Copyright (C) 2015 Timo Bingmann <tb@panthema.net>
 *
 * All rights reserved. Published under the BSD-2 license in the LICENSE file.
 ******************************************************************************/

#pragma once
#ifndef THRILL_COMMON_DEFINES_HEADER
#define THRILL_COMMON_DEFINES_HEADER

#include <type_traits>

namespace thrill {
namespace common {

/******************************************************************************/
// detect ThreadSanitizer

#ifndef THRILL_HAVE_THREAD_SANITIZER

#if defined(__has_feature)

// this works with clang
#if __has_feature(thread_sanitizer)
#define THRILL_HAVE_THREAD_SANITIZER 1
#else
#define THRILL_HAVE_THREAD_SANITIZER 0
#endif

#else

// gcc's sanitizers cannot be detected?
#define THRILL_HAVE_THREAD_SANITIZER 0

#endif

#endif  // THRILL_HAVE_THREAD_SANITIZER

/******************************************************************************/
// std::is_trivially_copyable<T> work-around for libstdc++ < 5.0

#if defined(__GLIBCXX__)
template <typename T>
struct is_trivially_copyable
    : std::integral_constant<bool, __has_trivial_copy(T)> { };  // NOLINT
#else // GLIBCXX work-around
template <typename T>
using is_trivially_copyable = std::is_trivially_copyable<T>;
#endif

} // namespace common
} // namespace thrill

#endif // !THRILL_COMMON_DEFINES_HEADER

/******************************************************************************/