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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/locks.hpp> | |
16 | ||
17 | // template <class Mutex> | |
18 | // void swap(upgrade_lock<Mutex>& x, upgrade_lock<Mutex>& y); | |
19 | ||
20 | #include <boost/thread/lock_types.hpp> | |
21 | #include <boost/detail/lightweight_test.hpp> | |
22 | ||
23 | struct shared_mutex | |
24 | { | |
25 | void lock_upgrade() | |
26 | { | |
27 | } | |
28 | void unlock_upgrade() | |
29 | { | |
30 | } | |
31 | }; | |
32 | ||
33 | shared_mutex m; | |
34 | ||
35 | int main() | |
36 | { | |
37 | boost::upgrade_lock<shared_mutex> lk1(m); | |
38 | boost::upgrade_lock<shared_mutex> lk2; | |
39 | swap(lk1, lk2); | |
40 | BOOST_TEST(lk1.mutex() == 0); | |
41 | BOOST_TEST(lk1.owns_lock() == false); | |
42 | BOOST_TEST(lk2.mutex() == &m); | |
43 | BOOST_TEST(lk2.owns_lock() == true); | |
44 | ||
45 | return boost::report_errors(); | |
46 | } | |
47 |