diff options
Diffstat (limited to 'src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/move_ctor_shared_lock_try_pass.cpp')
-rw-r--r-- | src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/move_ctor_shared_lock_try_pass.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/move_ctor_shared_lock_try_pass.cpp b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/move_ctor_shared_lock_try_pass.cpp new file mode 100644 index 000000000..93deda8c3 --- /dev/null +++ b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/upgrade_lock/cons/move_ctor_shared_lock_try_pass.cpp @@ -0,0 +1,66 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// Copyright (C) 2011 Vicente J. Botet Escriba +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) + +// <boost/thread/locks.hpp> + +// template <class Mutex> class upgrade_lock; + +// upgrade_lock(shared_lock&& u, try_to_lock); + +#define BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS +#define BOOST_THREAD_PROVIDES_EXPLICIT_LOCK_CONVERSION +#define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN + +#include <boost/thread/lock_types.hpp> +#include <boost/thread/shared_mutex.hpp> +#include <boost/detail/lightweight_test.hpp> + +boost::shared_mutex m; + +int main() +{ + { + boost::shared_lock<boost::shared_mutex> lk0(m); + boost::upgrade_lock<boost::shared_mutex> lk(boost::move(lk0), boost::try_to_lock ); + BOOST_TEST(lk.mutex() == &m); + BOOST_TEST(lk.owns_lock() == true); + BOOST_TEST(lk0.mutex() == 0); + BOOST_TEST(lk0.owns_lock() == false); + } + { + boost::upgrade_lock<boost::shared_mutex> lk(boost::shared_lock<boost::shared_mutex>(m), boost::try_to_lock); + BOOST_TEST(lk.mutex() == &m); + BOOST_TEST(lk.owns_lock() == true); + } + { + boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock); + boost::upgrade_lock<boost::shared_mutex> lk(boost::move(lk0), boost::try_to_lock); + BOOST_TEST(lk.mutex() == &m); + BOOST_TEST(lk.owns_lock() == false); + BOOST_TEST(lk0.mutex() == 0); + BOOST_TEST(lk0.owns_lock() == false); + } + { + boost::shared_lock<boost::shared_mutex> lk0(m, boost::defer_lock); + lk0.release(); + boost::upgrade_lock<boost::shared_mutex> lk(boost::move(lk0), boost::try_to_lock); + BOOST_TEST(lk.mutex() == 0); + BOOST_TEST(lk.owns_lock() == false); + BOOST_TEST(lk0.mutex() == 0); + BOOST_TEST(lk0.owns_lock() == false); + } + + return boost::report_errors(); +} + |