Dogcows Code - chaz/yoink/blob - src/moof/runloop.hh

   1
   2 /*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
   3 **]  All rights reserved.
   4 *
   5 * vi:ts=4 sw=4 tw=75
   6 *
   7 * Distributable under the terms and conditions of the 2-clause BSD license;
   8 * see the file COPYING for a complete text of the license.
   9 *
  10 **************************************************************************/
  11
  12 #ifndef _MOOF_RUNLOOP_HH_
  13 #define _MOOF_RUNLOOP_HH_
  14
  15 /**
  16  * \file runloop.hh
  17  * Thread timer management class.
  18  */
  19
  20 #include <vector>
  21
  22 #include <boost/noncopyable.hpp>
  23
  24 #include <moof/backend.hh>
  25 #include <moof/thread.hh>
  26
  27
  28 namespace moof {
  29
  30
  31 // forward declarations
  32 class timer;
  33
  34
  35 /**
  36  * A runloop is a loop with scheduled timers.
  37  */
  38 class runloop : public boost::noncopyable
  39 {
  40 public:
  41
  42         /**
  43          * Construct a runloop.
  44          */
  45         runloop() :
  46                 stop_(false)
  47         {
  48 #if ENABLE_THREADS
  49                 thread_id_ = 0;
  50 #endif
  51         }
  52
  53         /**
  54          * Deconstruct the runloop.
  55          */
  56         ~runloop();
  57
  58
  59         /**
  60          * Start running the runloop.
  61          * \return The exit code.
  62          */
  63         int run();
  64
  65         /**
  66          * Stop the runloop.
  67          * \param code The exit code.
  68          */
  69         void stop(int code = 0);
  70
  71
  72         /** Get the runloop of the current thread.
  73          * \return The current runloop or 0 if none is running in the current
  74          * thread.
  75          */
  76         static runloop* current();
  77
  78
  79         void add_timer(timer& timer);
  80         void remove_timer(timer& timer);
  81
  82
  83 private:
  84
  85         bool            stop_;
  86         int                     code_;
  87
  88         typedef std::vector<timer*> timer_table;
  89         timer_table     timers_;
  90         timer_table::iterator timers_it_;
  91
  92 #if ENABLE_THREADS
  93         MOOF_DECLARE_MUTEX(timers_mutex_);
  94         uint32_t        thread_id_;
  95 #endif
  96
  97
  98         backend         backend_;
  99 };
 100
 101
 102 } // namespace moof
 103
 104 #endif // _MOOF_RUNLOOP_HH_
 105