1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // Copyright (C) 2011 Vicente J. Botet Escriba
11 //
12 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
13 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
14 
15 // <boost/thread/shared_lock_guard.hpp>
16 
17 // template <class Mutex> class shared_lock_guard;
18 
19 // shared_lock_guard& operator=(shared_lock_guard const&) = delete;
20 
21 #include <boost/thread/shared_lock_guard.hpp>
22 #include <boost/thread/shared_mutex.hpp>
23 #include <boost/detail/lightweight_test.hpp>
24 
25 boost::shared_mutex m0;
26 boost::shared_mutex m1;
27 
main()28 int main()
29 {
30   boost::shared_lock_guard<boost::shared_mutex> lk0(m0);
31   boost::shared_lock_guard<boost::shared_mutex> lk1(m1);
32   lk1 = lk0;
33 
34 }
35 
36 #include "../../../../remove_error_code_unused_warning.hpp"
37 
38