29 lines
860 B
C++
29 lines
860 B
C++
|
// A model of the Lockable concept from Boost.Thread which
|
||
|
|
// does nothing. It can be passed as the Mutex template parameter
|
||
|
|
// for a signal, if the user wishes to disable thread-safety
|
||
|
|
// (presumably for performance reasons).
|
||
|
|
|
||
|
|
// Copyright Frank Mori Hess 2008.
|
||
|
|
// Distributed under 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)
|
||
|
|
|
||
|
|
// See http://www.boost.org/libs/signals2 for library home page.
|
||
|
|
|
||
|
|
#ifndef BOOST_SIGNALS2_DUMMY_MUTEX_HPP
|
||
|
|
#define BOOST_SIGNALS2_DUMMY_MUTEX_HPP
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace signals2 {
|
||
|
|
class dummy_mutex
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
void lock() {}
|
||
|
|
bool try_lock() {return true;}
|
||
|
|
void unlock() {}
|
||
|
|
};
|
||
|
|
} // end namespace signals2
|
||
|
|
} // end namespace boost
|
||
|
|
|
||
|
|
#endif // BOOST_SIGNALS2_DUMMY_MUTEX_HPP
|