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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> class shared_lock; | |
18 | ||
19 | // explicit operator bool() const; | |
20 | ||
21 | #include <boost/thread/lock_types.hpp> | |
22 | #include <boost/thread/shared_mutex.hpp> | |
23 | #include <boost/detail/lightweight_test.hpp> | |
24 | ||
25 | boost::shared_mutex m; | |
26 | ||
27 | int main() | |
28 | { | |
29 | boost::shared_lock < boost::shared_mutex > lk0; | |
30 | BOOST_TEST(bool(lk0) == false); | |
31 | boost::shared_lock < boost::shared_mutex > lk1(m); | |
32 | BOOST_TEST(bool(lk1) == true); | |
33 | lk1.unlock(); | |
34 | BOOST_TEST(bool(lk1) == false); | |
35 | ||
36 | return boost::report_errors(); | |
37 | } | |
38 |