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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