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// singleton.cpp
//
// Copyright (c) 201 5 Robert Ramey, Indiana University (garcia@osl.iu.edu)
// Use, modification and distribution is subject to 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)
//

// it marks our code with proper attributes as being exported when
// we're compiling it while marking it import when just the headers
// is being included.
#define BOOST_SERIALIZATION_SOURCE
#include <boost/serialization/config.hpp>
#include <boost/serialization/singleton.hpp>

namespace boost { 
namespace serialization { 

bool & singleton_module::get_lock(){
    static bool lock = false;
    return lock;
}

BOOST_SERIALIZATION_DECL void singleton_module::lock(){
    get_lock() = true;
}
BOOST_SERIALIZATION_DECL void singleton_module::unlock(){
    get_lock() = false;
}
BOOST_SERIALIZATION_DECL bool singleton_module::is_locked() {
    return get_lock();
}

} // namespace serialization
} // namespace boost