| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (C) 2001-2003 |
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// Mac Murrett |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See |
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// accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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// See http://www.boost.org for most recent version including documentation. |
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|
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#ifndef BOOST_SINGLETON_MJM012402_HPP |
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#define BOOST_SINGLETON_MJM012402_HPP |
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|
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#include <boost/thread/detail/config.hpp> |
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|
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namespace boost {
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namespace detail {
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namespace thread {
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// class singleton has the same goal as all singletons: create one instance of |
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// a class on demand, then dish it out as requested. |
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|
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template <class T> |
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class singleton : private T |
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{
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private: |
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singleton(); |
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~singleton(); |
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|
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public: |
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static T &instance(); |
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}; |
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template <class T> |
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inline singleton<T>::singleton() |
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{
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/* no-op */ |
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} |
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|
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template <class T> |
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inline singleton<T>::~singleton() |
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{
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/* no-op */ |
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} |
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|
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template <class T> |
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/*static*/ T &singleton<T>::instance() |
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{
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// function-local static to force this to work correctly at static |
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// initialization time. |
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static singleton<T> s_oT; |
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return(s_oT); |
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} |
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|
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} // namespace thread |
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} // namespace detail |
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} // namespace boost |
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#endif // BOOST_SINGLETON_MJM012402_HPP |