| 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 |