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> class unique_lock;
18
19 // template <class Rep, class Period>
20 // unique_lock(shared_lock<mutex_type>&&,
21 // const chrono::duration<Rep, Period>&);
22
23 #define BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
24 #define BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION
25 #define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
26
27 #include <boost/thread/lock_types.hpp>
28 #include <boost/thread/shared_mutex.hpp>
29 #include <boost/detail/lightweight_test.hpp>
30
31 boost::shared_mutex m;
32
main()33 int main()
34 {
35 {
36 boost::shared_lock<boost::shared_mutex> lk0(m);
37 boost::unique_lock<boost::shared_mutex> lk(boost::move(lk0), boost::chrono::milliseconds(1));
38 BOOST_TEST(lk.mutex() == &m);
39 BOOST_TEST(lk.owns_lock() == true);
40 BOOST_TEST(lk0.mutex() == 0);
41 BOOST_TEST(lk0.owns_lock() == false);
42 }
43 {
44 boost::unique_lock<boost::shared_mutex>
45 lk(boost::shared_lock<boost::shared_mutex>(m), boost::chrono::milliseconds(1));
46 BOOST_TEST(lk.mutex() == &m);
47 BOOST_TEST(lk.owns_lock() == true);
48 }
49 {
50 boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock);
51 boost::unique_lock<boost::shared_mutex> lk(boost::move(lk0), boost::chrono::milliseconds(1));
52 BOOST_TEST(lk.mutex() == &m);
53 BOOST_TEST(lk.owns_lock() == false);
54 BOOST_TEST(lk0.mutex() == 0);
55 BOOST_TEST(lk0.owns_lock() == false);
56 }
57 {
58 boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock);
59 lk0.release();
60 boost::unique_lock<boost::shared_mutex> lk(boost::move(lk0), boost::chrono::milliseconds(1));
61 BOOST_TEST(lk.mutex() == 0);
62 BOOST_TEST(lk.owns_lock() == false);
63 BOOST_TEST(lk0.mutex() == 0);
64 BOOST_TEST(lk0.owns_lock() == false);
65 }
66
67 return boost::report_errors();
68 }
69
70