sl@0: // Copyright (C) 2000 Stephen Cleary
sl@0: //
sl@0: // Distributed under the Boost Software License, Version 1.0. (See
sl@0: // accompanying file LICENSE_1_0.txt or copy at
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: //
sl@0: // See http://www.boost.org for updates, documentation, and revision history.
sl@0: 
sl@0: #ifndef BOOST_POOL_GUARD_HPP
sl@0: #define BOOST_POOL_GUARD_HPP
sl@0: 
sl@0: // Extremely Light-Weight guard glass
sl@0: 
sl@0: namespace boost {
sl@0: 
sl@0: namespace details {
sl@0: namespace pool {
sl@0: 
sl@0: template <typename Mutex>
sl@0: class guard
sl@0: {
sl@0:   private:
sl@0:     Mutex & mtx;
sl@0: 
sl@0:     guard(const guard &);
sl@0:     void operator=(const guard &);
sl@0: 
sl@0:   public:
sl@0:     explicit guard(Mutex & nmtx)
sl@0:     :mtx(nmtx) { mtx.lock(); }
sl@0: 
sl@0:     ~guard() { mtx.unlock(); }
sl@0: };
sl@0: 
sl@0: } // namespace pool
sl@0: } // namespace details
sl@0: 
sl@0: } // namespace boost
sl@0: 
sl@0: #endif