diff options
Diffstat (limited to 'src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp')
-rw-r--r-- | src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp new file mode 100644 index 000000000..d0149d906 --- /dev/null +++ b/src/boost/libs/thread/test/sync/mutual_exclusion/locks/unique_lock/cons/make_unique_lock_try_to_lock_pass.cpp @@ -0,0 +1,146 @@ +// 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/locks.hpp> + +// template <class Mutex> class unique_lock; +// unique_lock<Mutex> make_unique_lock(Mutex&, try_to_lock_t); + +#define BOOST_THREAD_VERSION 4 + + +#include <boost/thread/lock_factories.hpp> +#include <boost/thread/mutex.hpp> +#include <boost/thread/thread.hpp> +#include <boost/detail/lightweight_test.hpp> +#include "../../../../../timming.hpp" + +boost::mutex m; + +#if defined BOOST_THREAD_USES_CHRONO +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; +#else +#endif + +const ms max_diff(BOOST_THREAD_TEST_TIME_MS); + +void f() +{ +#if defined BOOST_THREAD_USES_CHRONO + { + t0 = Clock::now(); +#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) + auto +#else + boost::unique_lock<boost::mutex> +#endif + lk = boost::make_unique_lock(m, boost::try_to_lock); + BOOST_TEST(lk.owns_lock() == false); + t1 = Clock::now(); + ns d = t1 - t0; + BOOST_THREAD_TEST_IT(d, ns(max_diff)); + } + { + t0 = Clock::now(); +#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) + auto +#else + boost::unique_lock<boost::mutex> +#endif + lk = boost::make_unique_lock(m, boost::try_to_lock); + BOOST_TEST(lk.owns_lock() == false); + t1 = Clock::now(); + ns d = t1 - t0; + BOOST_THREAD_TEST_IT(d, ns(max_diff)); + } + { + t0 = Clock::now(); +#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) + auto +#else + boost::unique_lock<boost::mutex> +#endif + lk = boost::make_unique_lock(m, boost::try_to_lock); + BOOST_TEST(lk.owns_lock() == false); + t1 = Clock::now(); + ns d = t1 - t0; + BOOST_THREAD_TEST_IT(d, ns(max_diff)); + } + { + t0 = Clock::now(); + for (;;) + { +#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) + auto +#else + boost::unique_lock<boost::mutex> +#endif + lk = boost::make_unique_lock(m, boost::try_to_lock); + if (lk.owns_lock()) { + t1 = Clock::now(); + break; + } + } + } +#else +// time_point t0 = Clock::now(); +// { +// boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock); +// BOOST_TEST(lk.owns_lock() == false); +// } +// { +// boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock); +// BOOST_TEST(lk.owns_lock() == false); +// } +// { +// boost::unique_lock<boost::mutex> lk(m, boost::try_to_lock); +// BOOST_TEST(lk.owns_lock() == false); +// } + for (;;) + { +#if ! defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) + auto +#else + boost::unique_lock<boost::mutex> +#endif + lk = boost::make_unique_lock(m, boost::try_to_lock); + if (lk.owns_lock()) break; + } + //time_point t1 = Clock::now(); + //ns d = t1 - t0 - ms(250); + //BOOST_TEST(d < max_diff); +#endif +} + +int main() +{ + m.lock(); + boost::thread t(f); +#if defined BOOST_THREAD_USES_CHRONO + time_point t2 = Clock::now(); + boost::this_thread::sleep_for(ms(250)); + time_point t3 = Clock::now(); +#else +#endif + 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 + + return boost::report_errors(); +} |