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/* Hardware event manager.
   Copyright (C) 1998, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   Contributed by Cygnus Support.
 
This file is part of GDB, the GNU debugger.
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
#ifndef HW_EVENTS_H
#define HW_EVENTS_H
 
/* Event manager customized for hardware models.
 
   This interface is discussed further in sim-events.h. */
 
struct hw_event;
typedef void (hw_event_callback) (struct hw *me, void *data);
 
struct hw_event *hw_event_queue_schedule
(struct hw *me,
 signed64 delta_time,
 hw_event_callback *handler,
 void *data);
 
struct hw_event *hw_event_queue_schedule_tracef
(struct hw *me,
 signed64 delta_time,
 hw_event_callback *handler,
 void *data,
 const char *fmt,
 ...) __attribute__ ((format (printf, 5, 6)));
 
struct hw_event *hw_event_queue_schedule_vtracef
(struct hw *me,
 signed64 delta_time,
 hw_event_callback *handler,
 void *data,
 const char *fmt,
 va_list ap);
 
 
void hw_event_queue_deschedule
(struct hw *me,
 struct hw_event *event_to_remove);
 
signed64 hw_event_queue_time
(struct hw *me);
 
/* Returns the time that remains before the event is raised. */
signed64 hw_event_remain_time
(struct hw *me, struct hw_event *event);
 
#endif