diff options
Diffstat (limited to 'src/boost/libs/thread/test/sync/mutual_exclusion/shared_mutex/try_lock_for_pass.cpp')
-rw-r--r-- | src/boost/libs/thread/test/sync/mutual_exclusion/shared_mutex/try_lock_for_pass.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/mutual_exclusion/shared_mutex/try_lock_for_pass.cpp b/src/boost/libs/thread/test/sync/mutual_exclusion/shared_mutex/try_lock_for_pass.cpp new file mode 100644 index 000000000..bc06576ec --- /dev/null +++ b/src/boost/libs/thread/test/sync/mutual_exclusion/shared_mutex/try_lock_for_pass.cpp @@ -0,0 +1,86 @@ +//===----------------------------------------------------------------------===// +// +// 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) 2012 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/shared_mutex.hpp> + +// class shared_mutex; + +// template <class Rep, class Period> +// bool try_lock_for(const chrono::duration<Rep, Period>& rel_time); + +#include <boost/thread/shared_mutex.hpp> +#include <boost/thread/thread.hpp> +#include <boost/detail/lightweight_test.hpp> +#include "../../../timming.hpp" + +boost::shared_mutex m; + +typedef boost::chrono::high_resolution_clock Clock; +typedef Clock::time_point time_point; +typedef Clock::duration duration; +typedef boost::chrono::milliseconds ms; +typedef boost::chrono::nanoseconds ns; +time_point t0; +time_point t1; + +const ms max_diff(BOOST_THREAD_TEST_TIME_MS); + +void f1() +{ + t0 = Clock::now(); + BOOST_TEST(m.try_lock_for(ms(750)) == true); + t1 = Clock::now(); + m.unlock(); +} + +void f2() +{ + t0 = Clock::now(); + BOOST_TEST(m.try_lock_for(ms(250)) == false); + t1 = Clock::now(); + ns d = t1 - t0 - ms(250); + BOOST_THREAD_TEST_IT(d, ns(max_diff)); +} + +int main() +{ + { + m.lock(); + boost::thread t(f1); + time_point t2 = Clock::now(); + boost::this_thread::sleep_for(ms(250)); + time_point t3 = Clock::now(); + m.unlock(); + t.join(); + +#if defined BOOST_THREAD_USES_CHRONO + ns sleep_time = t3 - t2; + ns d_ns = t1 - t0 - sleep_time; + ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns); + // BOOST_TEST_GE(d_ms.count(), 0); + BOOST_THREAD_TEST_IT(d_ms, max_diff); + BOOST_THREAD_TEST_IT(d_ns, ns(max_diff)); +#endif + } + { + m.lock(); + boost::thread t(f2); + boost::this_thread::sleep_for(ms(750)); + m.unlock(); + t.join(); + } + + return boost::report_errors(); +} + |