Chris@16: // A model of the Lockable concept from Boost.Thread which
Chris@16: // does nothing.  It can be passed as the Mutex template parameter
Chris@16: // for a signal, if the user wishes to disable thread-safety
Chris@16: // (presumably for performance reasons).
Chris@16: 
Chris@16: // Copyright Frank Mori Hess 2008.
Chris@16: // Distributed under the Boost Software License, Version
Chris@16: // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: // See http://www.boost.org/libs/signals2 for library home page.
Chris@16: 
Chris@16: #ifndef BOOST_SIGNALS2_DUMMY_MUTEX_HPP
Chris@16: #define BOOST_SIGNALS2_DUMMY_MUTEX_HPP
Chris@16: 
Chris@16: namespace boost {
Chris@16:   namespace signals2 {
Chris@16:     class dummy_mutex
Chris@16:     {
Chris@16:     public:
Chris@16:       void lock() {}
Chris@16:       bool try_lock() {return true;}
Chris@16:       void unlock() {}
Chris@16:     };
Chris@16:   } // end namespace signals2
Chris@16: } // end namespace boost
Chris@16: 
Chris@16: #endif // BOOST_SIGNALS2_DUMMY_MUTEX_HPP