1 // Copyright (C) 2011 Vicente J. Botet Escriba
2 //
3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5 
6 // <boost/thread/locks.hpp>
7 
8 // template <class Mutex> class nested_strict_lock;
9 
10 // nested_strict_lock& operator=(nested_strict_lock const&) = delete;
11 
12 #include <boost/thread/lock_types.hpp>
13 #include <boost/thread/strict_lock.hpp>
14 #include <boost/thread/mutex.hpp>
15 #include <boost/detail/lightweight_test.hpp>
16 
17 boost::mutex m0;
18 boost::mutex m1;
19 
main()20 int main()
21 {
22   boost::unique_lock<boost::mutex> lk0(m0);
23   boost::unique_lock<boost::mutex> lk1(m1);
24   boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk0(lk0);
25   boost::nested_strict_lock<boost::unique_lock<boost::mutex> > nlk1(lk1);
26   lk1 = lk0;
27 
28 }
29 
30 #include "../../../../remove_error_code_unused_warning.hpp"
31 
32