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53 lines
1.7 KiB
53 lines
1.7 KiB
#include <boost/circular_buffer.hpp> |
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#include <boost/thread/mutex.hpp> |
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#include <boost/thread/condition.hpp> |
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#include <boost/thread/thread.hpp> |
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#include <boost/call_traits.hpp> |
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#include <boost/bind.hpp> |
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#include <boost/timer/timer.hpp> // for auto_cpu_timer |
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template <class T> |
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class bounded_buffer |
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{ |
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public: |
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typedef boost::circular_buffer<T> container_type; |
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typedef typename container_type::size_type size_type; |
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typedef typename container_type::value_type value_type; |
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typedef typename boost::call_traits<value_type>::param_type param_type; |
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explicit bounded_buffer(size_type capacity) : m_unread(0), m_container(capacity) {} |
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void push_front(typename boost::call_traits<value_type>::param_type item) |
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{ // `param_type` represents the "best" way to pass a parameter of type `value_type` to a method. |
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boost::mutex::scoped_lock lock(m_mutex); |
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m_not_full.wait(lock, boost::bind(&bounded_buffer<value_type>::is_not_full, this)); |
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m_container.push_front(item); |
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++m_unread; |
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lock.unlock(); |
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m_not_empty.notify_one(); |
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} |
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void pop_back(value_type* pItem) { |
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boost::mutex::scoped_lock lock(m_mutex); |
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m_not_empty.wait(lock, boost::bind(&bounded_buffer<value_type>::is_not_empty, this)); |
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*pItem = m_container[--m_unread]; |
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lock.unlock(); |
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m_not_full.notify_one(); |
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} |
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private: |
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bounded_buffer(const bounded_buffer&); // Disabled copy constructor. |
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bounded_buffer& operator = (const bounded_buffer&); // Disabled assign operator. |
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bool is_not_empty() const { return m_unread > 0; } |
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bool is_not_full() const { return m_unread < m_container.capacity(); } |
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size_type m_unread; |
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container_type m_container; |
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boost::mutex m_mutex; |
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boost::condition m_not_empty; |
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boost::condition m_not_full; |
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}; //
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