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 <set>
  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
  39 {
  40 public:
  41
  42         /**
  43          * Construct a runloop.
  44          */
  45         runloop() :
  46                 stop_(false),
  47                 thread_id_(0) {}
  48
  49         /**
  50          * Deconstruct the runloop.
  51          */
  52         ~runloop();
  53
  54
  55         /**
  56          * Start running the runloop.
  57          * \return The exit code.
  58          */
  59         int run();
  60
  61         /**
  62          * Stop the runloop.
  63          * \param code The exit code.
  64          */
  65         void stop(int code = 0);
  66
  67
  68         /** Get the runloop of the current thread.
  69          * \return The current runloop or 0 if none is running in the current
  70          * thread.
  71          */
  72         static runloop* current();
  73
  74
  75 private:
  76
  77         friend class timer;
  78
  79         void add_timer(timer* timer);
  80         void remove_timer(timer* timer);
  81
  82
  83         bool            stop_;
  84         int                     code_;
  85
  86         typedef std::set<timer*> timer_table;
  87         timer_table     timers_;
  88         timer_table::iterator timers_it_;
  89
  90 #if ENABLE_THREADS
  91         MOOF_DECLARE_MUTEX(timers_mutex_);
  92         uint32_t        thread_id_;
  93 #endif
  94
  95
  96         backend         backend_;
  97 };
  98
  99
 100 } // namespace moof
 101
 102 #endif // _MOOF_RUNLOOP_HH_
 103