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C++ condition_variable::timed_wait方法代码示例

本文整理汇总了C++中condition_variable::timed_wait方法的典型用法代码示例。如果您正苦于以下问题:C++ condition_variable::timed_wait方法的具体用法?C++ condition_variable::timed_wait怎么用?C++ condition_variable::timed_wait使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在condition_variable的用法示例。


在下文中一共展示了condition_variable::timed_wait方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: dequeue_ready

    //! Dequeues log record from the queue, blocks if no log records are ready to be processed
    bool dequeue_ready(record_view& rec)
    {
        unique_lock< mutex_type > lock(m_mutex);
        while (!m_interruption_requested)
        {
            if (!m_queue.empty())
            {
                const boost::log::aux::timestamp now = boost::log::aux::get_timestamp();
                enqueued_record const& elem = m_queue.top();
                const uint64_t difference = (now - elem.m_timestamp).milliseconds();
                if (difference >= m_ordering_window)
                {
                    // We got a new element
                    rec = elem.m_record;
                    m_queue.pop();
                    return true;
                }
                else
                {
                    // Wait until the element becomes ready to be processed
                    m_cond.timed_wait(lock, posix_time::milliseconds(m_ordering_window - difference));
                }
            }
            else
            {
                // Wait for an element to come
                m_cond.wait(lock);
            }
        }
        m_interruption_requested = false;

        return false;
    }
开发者ID:CasparCG,项目名称:Client,代码行数:34,代码来源:unbounded_ordering_queue.hpp

示例2: g

    typename meta::enable_if< is_time_interval< T >, bool >::type
    timed_acquire_read( const T& ttl ) const
    {
        mutex::guard g( mutex_ );

        while ( has_writer_ || writer_waiting_ )
        {
            if ( !reader_cv_.timed_wait( mutex_, ttl ) )
            {
                return false;
            }
        }

        ++reader_count_;
        return true;
    }
开发者ID:jingpengwu,项目名称:znn-v4-mkl,代码行数:16,代码来源:rwmutex_impl.hpp


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