ceph/src/boost/boost/interprocess/detail/nothrow.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2014-2015. Distributed under the Boost
   4 // Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/libs/interprocess for documentation.
   8 //
   9 //////////////////////////////////////////////////////////////////////////////
  10 #ifndef BOOST_INTERPROCESS_DETAIL_NOTHROW_HPP
  11 #define BOOST_INTERPROCESS_DETAIL_NOTHROW_HPP
  12
  13 #ifndef BOOST_CONFIG_HPP
  14 #  include <boost/config.hpp>
  15 #endif
  16 #
  17 #if defined(BOOST_HAS_PRAGMA_ONCE)
  18 #  pragma once
  19 #endif
  20
  21 namespace std {   //no namespace versioning in clang+libc++
  22
  23 struct nothrow_t;
  24
  25 }  //namespace std {
  26
  27 namespace boost{ namespace interprocess {
  28
  29 template <int Dummy = 0>
  30 struct nothrow
  31 {
  32    static const std::nothrow_t &get()   {  return *pnothrow;  }
  33    static std::nothrow_t *pnothrow;
  34 };
  35
  36 template <int Dummy>
  37 std::nothrow_t *nothrow<Dummy>::pnothrow =
  38    reinterpret_cast<std::nothrow_t *>(0x1234);  //Avoid sanitizer warnings on references to null
  39
  40 }}  //namespace boost{ namespace interprocess {
  41
  42 #endif //#ifndef BOOST_INTERPROCESS_DETAIL_NOTHROW_HPP