1 | // |
---|---|
2 | // spinlock_try_test.cpp |
3 | // |
4 | // Copyright 2008 Peter Dimov |
5 | // |
6 | // Distributed under the Boost Software License, Version 1.0. |
7 | // See accompanying file LICENSE_1_0.txt or copy at |
8 | // http://www.boost.org/LICENSE_1_0.txt) |
9 | // |
10 | |
11 | #include <boost/smart_ptr/detail/spinlock.hpp> |
12 | #include <boost/core/lightweight_test.hpp> |
13 | |
14 | // Sanity check only |
15 | |
16 | static boost::detail::spinlock sp = BOOST_DETAIL_SPINLOCK_INIT; |
17 | static boost::detail::spinlock sp2 = BOOST_DETAIL_SPINLOCK_INIT; |
18 | |
19 | int main() |
20 | { |
21 | BOOST_TEST( sp.try_lock() ); |
22 | BOOST_TEST( !sp.try_lock() ); |
23 | BOOST_TEST( sp2.try_lock() ); |
24 | BOOST_TEST( !sp.try_lock() ); |
25 | BOOST_TEST( !sp2.try_lock() ); |
26 | sp.unlock(); |
27 | sp2.unlock(); |
28 | |
29 | sp.lock(); |
30 | BOOST_TEST( !sp.try_lock() ); |
31 | sp2.lock(); |
32 | BOOST_TEST( !sp.try_lock() ); |
33 | BOOST_TEST( !sp2.try_lock() ); |
34 | sp.unlock(); |
35 | sp2.unlock(); |
36 | |
37 | { |
38 | boost::detail::spinlock::scoped_lock lock( sp ); |
39 | BOOST_TEST( !sp.try_lock() ); |
40 | boost::detail::spinlock::scoped_lock lock2( sp2 ); |
41 | BOOST_TEST( !sp.try_lock() ); |
42 | BOOST_TEST( !sp2.try_lock() ); |
43 | } |
44 | |
45 | return boost::report_errors(); |
46 | } |
47 |