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- // Copyright (C) 2010 Vicente Botet
- //
- // 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)
- #define BOOST_THREAD_VERSION 2
- //#define BOOST_THREAD_PROVIDES_GENERIC_SHARED_MUTEX_ON_WIN
- //#define BOOST_THREAD_USES_LOG
- #include <boost/thread/thread_only.hpp>
- #include <boost/thread/shared_mutex.hpp>
- #include <boost/detail/no_exceptions_support.hpp>
- //#include <boost/thread/detail/log.hpp>
- boost::shared_mutex mutex;
- void thread()
- {
- //BOOST_THREAD_LOG << "<thrd" << BOOST_THREAD_END_LOG;
- BOOST_TRY
- {
- for (int i =0; i<10; ++i)
- {
- #ifndef BOOST_THREAD_USES_CHRONO
- boost::system_time timeout = boost::get_system_time() + boost::posix_time::milliseconds(50);
- if (mutex.timed_lock(timeout))
- {
- //BOOST_THREAD_LOG << "<thrd" << " i="<<i << BOOST_THREAD_END_LOG;
- boost::this_thread::sleep(boost::posix_time::milliseconds(10));
- mutex.unlock();
- //BOOST_THREAD_LOG << "<thrd" << " i="<<i << BOOST_THREAD_END_LOG;
- }
- #else
- boost::chrono::system_clock::time_point timeout = boost::chrono::system_clock::now() + boost::chrono::milliseconds(50);
- //BOOST_THREAD_LOG << "<thrd" << " i="<<i << BOOST_THREAD_END_LOG;
- if (mutex.try_lock_until(timeout))
- {
- //BOOST_THREAD_LOG << "<thrd" << " i="<<i << BOOST_THREAD_END_LOG;
- boost::this_thread::sleep_for(boost::chrono::milliseconds(10));
- mutex.unlock();
- //BOOST_THREAD_LOG << "<thrd" << " i="<<i << BOOST_THREAD_END_LOG;
- }
- #endif
- }
- }
- BOOST_CATCH (boost::lock_error& )
- {
- //BOOST_THREAD_LOG << "lock_error exception thrd>" << BOOST_THREAD_END_LOG;
- }
- BOOST_CATCH (...)
- {
- //BOOST_THREAD_LOG << "exception thrd>" << BOOST_THREAD_END_LOG;
- }
- BOOST_CATCH_END
- //BOOST_THREAD_LOG << "thrd>" << BOOST_THREAD_END_LOG;
- }
- int main()
- {
- //BOOST_THREAD_LOG << "<main" << BOOST_THREAD_END_LOG;
- const int nrThreads = 20;
- boost::thread* threads[nrThreads];
- for (int i = 0; i < nrThreads; ++i)
- threads[i] = new boost::thread(&thread);
- for (int i = 0; i < nrThreads; ++i)
- {
- threads[i]->join();
- //BOOST_THREAD_LOG << "main" << BOOST_THREAD_END_LOG;
- delete threads[i];
- //BOOST_THREAD_LOG << "main" << BOOST_THREAD_END_LOG;
- }
- //BOOST_THREAD_LOG << "main>" << BOOST_THREAD_END_LOG;
- return 0;
- }
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