Esempi in C++ (Cpp) per spinlock::try_lock

Esempio n. 1

File: spinlock.hpp Progetto: Bcorde5/hpx

 bool try_lock()
 {
     HPX_ITT_SYNC_PREPARE(this);
     if (m.try_lock()) {
         HPX_ITT_SYNC_ACQUIRED(this);
         util::register_lock(this);
         return true;
     }
     HPX_ITT_SYNC_CANCEL(this);
     return false;
 }

Esempio n. 2

int main()
{
    BOOST_TEST( sp.try_lock() );
    BOOST_TEST( !sp.try_lock() );
    BOOST_TEST( sp2.try_lock() );
    BOOST_TEST( !sp.try_lock() );
    BOOST_TEST( !sp2.try_lock() );
    sp.unlock();
    sp2.unlock();

    sp.lock();
    BOOST_TEST( !sp.try_lock() );
    sp2.lock();
    BOOST_TEST( !sp.try_lock() );
    BOOST_TEST( !sp2.try_lock() );
    sp.unlock();
    sp2.unlock();

    {
        boost::detail::spinlock::scoped_lock lock( sp );
        BOOST_TEST( !sp.try_lock() );
        boost::detail::spinlock::scoped_lock lock2( sp2 );
        BOOST_TEST( !sp.try_lock() );
        BOOST_TEST( !sp2.try_lock() );
    }

    return boost::report_errors();
}