ceph/src/boost/libs/serialization/src/singleton.cpp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 // singleton.cpp
   3 //
   4 // Copyright (c) 201 5 Robert Ramey, Indiana University (garcia@osl.iu.edu)
   5 // Use, modification and distribution is subject to the Boost Software
   6 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9
  10 // it marks our code with proper attributes as being exported when
  11 // we're compiling it while marking it import when just the headers
  12 // is being included.
  13 #define BOOST_SERIALIZATION_SOURCE
  14 #include <boost/serialization/config.hpp>
  15 #include <boost/serialization/singleton.hpp>
  16
  17 namespace boost {
  18 namespace serialization {
  19
  20 bool & singleton_module::get_lock(){
  21     static bool lock = false;
  22     return lock;
  23 }
  24
  25 BOOST_SERIALIZATION_DECL void singleton_module::lock(){
  26     get_lock() = true;
  27 }
  28 BOOST_SERIALIZATION_DECL void singleton_module::unlock(){
  29     get_lock() = false;
  30 }
  31 BOOST_SERIALIZATION_DECL bool singleton_module::is_locked() {
  32     return get_lock();
  33 }
  34
  35 } // namespace serialization
  36 } // namespace boost