sim/ppc/events.h

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef _EVENTS_H_
  23 #define _EVENTS_H_
  24
  25 #ifndef INLINE_EVENTS
  26 #define INLINE_EVENTS
  27 #endif
  28
  29
  30 typedef struct _event_queue event_queue;
  31 typedef void *event_entry_tag;
  32
  33 typedef void event_handler
  34 (event_queue *queue,
  35  void *data);
  36
  37 INLINE_EVENTS event_queue *event_queue_create
  38 (void);
  39
  40
  41 /* (de)Schedule things to happen in the future. */
  42
  43 INLINE_EVENTS event_entry_tag event_queue_schedule
  44 (event_queue *queue,
  45  signed64 delta_time,
  46  event_handler *handler,
  47  void *data);
  48
  49 INLINE_EVENTS event_entry_tag event_queue_schedule_after_signal
  50 (event_queue *queue,
  51  signed64 delta_time,
  52  event_handler *handler,
  53  void *data);
  54
  55 INLINE_EVENTS void event_queue_deschedule
  56 (event_queue *queue,
  57  event_entry_tag event_to_remove);
  58
  59
  60 /* progress time.  In to parts so that if something is pending, the
  61    caller has a chance to save any cached state */
  62
  63 INLINE_EVENTS int event_queue_tick
  64 (event_queue *queue);
  65
  66 INLINE_EVENTS void event_queue_process
  67 (event_queue *events);
  68
  69
  70 /* local concept of time */
  71
  72 INLINE_EVENTS signed64 event_queue_time
  73 (event_queue *queue);
  74
  75 #endif /* _EVENTS_H_ */