pool.hpp
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00001 
00022 #ifndef THREADPOOL_POOL_HPP_INCLUDED
00023 #define THREADPOOL_POOL_HPP_INCLUDED
00024 
00025 #include <boost/ref.hpp>
00026 
00027 #include "./detail/pool_core.hpp"
00028 
00029 #include "task_adaptors.hpp"
00030 
00031 #include "./detail/locking_ptr.hpp"
00032 
00033 #include "scheduling_policies.hpp"
00034 #include "size_policies.hpp"
00035 #include "shutdown_policies.hpp"
00036 
00037 
00038 
00040 namespace boost { namespace threadpool
00041 {
00042 
00043 
00044 
00066   template <
00067     typename Task                                   = task_func,
00068     template <typename> class SchedulingPolicy      = fifo_scheduler,
00069     template <typename> class SizePolicy            = static_size,
00070     template <typename> class SizePolicyController  = resize_controller,
00071     template <typename> class ShutdownPolicy        = wait_for_all_tasks
00072   > 
00073   class thread_pool 
00074   {
00075     typedef detail::pool_core<Task, 
00076                               SchedulingPolicy,
00077                               SizePolicy,
00078                               SizePolicyController,
00079                               ShutdownPolicy> pool_core_type;
00080     shared_ptr<pool_core_type>          m_core; // pimpl idiom
00081     shared_ptr<void>                    m_shutdown_controller; // If the last pool holding a pointer to the core is deleted the controller shuts the pool down.
00082 
00083   public: // Type definitions
00084     typedef Task task_type;                                   
00085     typedef SchedulingPolicy<task_type> scheduler_type;       
00086  /*   typedef thread_pool<Task, 
00087                         SchedulingPolicy,
00088                         SizePolicy,
00089                         ShutdownPolicy > pool_type;          //!< Indicates the thread pool's type.
00090  */
00091     typedef SizePolicy<pool_core_type> size_policy_type; 
00092     typedef SizePolicyController<pool_core_type> size_controller_type;
00093 
00094 
00095   public:
00099     thread_pool(size_t initial_threads = 0)
00100     : m_core(new pool_core_type)
00101     , m_shutdown_controller(static_cast<void*>(0), bind(&pool_core_type::shutdown, m_core))
00102     {
00103       size_policy_type::init(*m_core, initial_threads);
00104     }
00105 
00106 
00111     size_controller_type size_controller()
00112     {
00113       return m_core->size_controller();
00114     }
00115 
00116 
00120     size_t size()       const
00121     {
00122       return m_core->size();
00123     }
00124 
00125 
00130      bool schedule(task_type const & task)
00131      {  
00132        return m_core->schedule(task);
00133      }
00134 
00135 
00139     size_t active() const
00140     {
00141       return m_core->active();
00142     }
00143 
00144 
00148     size_t pending() const
00149     {
00150       return m_core->pending();
00151     }
00152 
00153 
00156     void clear()
00157     { 
00158       m_core->clear();
00159     }    
00160 
00161 
00166     bool empty() const
00167     {
00168       return m_core->empty();
00169     }   
00170 
00171 
00176     void wait(size_t task_threshold = 0) const
00177     {
00178       m_core->wait(task_threshold);
00179     }   
00180 
00181 
00189     bool wait(xtime const & timestamp, size_t task_threshold = 0) const
00190     {
00191       return m_core->wait(timestamp, task_threshold);
00192     }
00193   };
00194 
00195 
00196 
00202   typedef thread_pool<task_func, fifo_scheduler, static_size, resize_controller, wait_for_all_tasks> fifo_pool;
00203 
00204 
00210   typedef thread_pool<task_func, lifo_scheduler, static_size, resize_controller, wait_for_all_tasks> lifo_pool;
00211 
00212 
00218   typedef thread_pool<prio_task_func, prio_scheduler, static_size, resize_controller, wait_for_all_tasks> prio_pool;
00219 
00220 
00226   typedef fifo_pool pool;
00227 
00228 
00229 
00230 } } // namespace boost::threadpool
00231 
00232 #endif // THREADPOOL_POOL_HPP_INCLUDED


obj_rec_gui
Author(s): AGAS/agas@uni-koblenz.de
autogenerated on Mon Oct 6 2014 02:53:43