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/* Hardware event manager.
   Copyright (C) 1998 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 2, 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, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
#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