mb_runtime_base.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2007 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License along
00018  * with this program; if not, write to the Free Software Foundation, Inc.,
00019  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00020  */
00021 
00022 #ifndef INCLUDED_MB_RUNTIME_BASE_H
00023 #define INCLUDED_MB_RUNTIME_BASE_H
00024 
00025 #include <mblock/runtime.h>
00026 #include <gnuradio/omnithread.h>
00027 #include <mblock/time.h>
00028 
00029 /*
00030  * \brief This is the runtime class used by the implementation.
00031  */
00032 class mb_runtime_base : public mb_runtime
00033 {
00034   omni_mutex            d_brl;  // big runtime lock (avoid using this if possible...)
00035 
00036 protected:
00037   mb_msg_accepter_sptr  d_accepter;
00038 
00039 public:
00040 
00041   /*!
00042    * \brief lock the big runtime lock
00043    * \internal
00044    */
00045   inline void lock() { d_brl.lock(); }
00046 
00047   /*!
00048    * \brief unlock the big runtime lock
00049    * \internal
00050    */
00051   inline void unlock() { d_brl.unlock(); }
00052 
00053   virtual void request_shutdown(pmt_t result);
00054 
00055   virtual mb_mblock_sptr
00056   create_component(const std::string &instance_name,
00057                    const std::string &class_name,
00058                    pmt_t user_arg) = 0;
00059 
00060   virtual pmt_t
00061   schedule_one_shot_timeout(const mb_time &abs_time, pmt_t user_data,
00062                             mb_msg_accepter_sptr accepter);
00063 
00064   virtual pmt_t
00065   schedule_periodic_timeout(const mb_time &first_abs_time,
00066                             const mb_time &delta_time,
00067                             pmt_t user_data,
00068                             mb_msg_accepter_sptr accepter);
00069   virtual void
00070   cancel_timeout(pmt_t handle);
00071 
00072   mb_msg_accepter_sptr
00073   accepter() { return d_accepter; }
00074   
00075 };
00076 
00077 
00078 #endif /* INCLUDED_MB_RUNTIME_BASE_H */

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