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3rdparty/boost_1_81_0/boost/log/detail/pause.hpp 1.49 KB
63e88f80   Hu Chunming   提交三方库
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  /*
   *             Copyright Andrey Semashev 2016.
   * Distributed under 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)
   */
  /*!
   * \file   pause.hpp
   * \author Andrey Semashev
   * \date   06.01.2016
   *
   * \brief  This header is the Boost.Log library implementation, see the library documentation
   *         at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
   */
  
  #ifndef BOOST_LOG_DETAIL_PAUSE_HPP_INCLUDED_
  #define BOOST_LOG_DETAIL_PAUSE_HPP_INCLUDED_
  
  #include <boost/log/detail/config.hpp>
  #include <boost/log/detail/header.hpp>
  
  #ifdef BOOST_HAS_PRAGMA_ONCE
  #pragma once
  #endif
  
  #if defined(__INTEL_COMPILER) || defined(_MSC_VER)
  #    if defined(_M_IX86)
  #        define BOOST_LOG_AUX_PAUSE __asm { pause }
  #    elif defined(_M_AMD64)
  extern "C" void _mm_pause(void);
  #        if defined(BOOST_MSVC)
  #            pragma intrinsic(_mm_pause)
  #        endif
  #        define BOOST_LOG_AUX_PAUSE _mm_pause()
  #    endif
  #elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
  #    define BOOST_LOG_AUX_PAUSE __asm__ __volatile__("pause;")
  #endif
  
  namespace boost {
  
  BOOST_LOG_OPEN_NAMESPACE
  
  namespace aux {
  
  BOOST_FORCEINLINE void pause() BOOST_NOEXCEPT
  {
  #if defined(BOOST_LOG_AUX_PAUSE)
      BOOST_LOG_AUX_PAUSE;
  #endif
  }
  
  } // namespace aux
  
  BOOST_LOG_CLOSE_NAMESPACE // namespace log
  
  } // namespace boost
  
  #include <boost/log/detail/footer.hpp>
  
  #endif // BOOST_LOG_DETAIL_PAUSE_HPP_INCLUDED_