107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _SIM_EVENTS_H_
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#define _SIM_EVENTS_H_
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typedef void event_handler(void *data);
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typedef struct _event_entry event_entry;
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struct _event_entry {
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void *data;
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event_handler *handler;
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signed64 time_of_event;
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event_entry *next;
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};
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typedef struct _event_queue event_queue;
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struct _event_queue {
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int processing;
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event_entry *queue;
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event_entry *volatile held;
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event_entry *volatile *volatile held_end;
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signed64 time_of_event;
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signed64 time_from_event;
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int trace;
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};
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typedef struct event_entry *event_entry_tag;
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/* Initialization */
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INLINE_SIM_EVENTS\
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(void) event_queue_init
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(engine *system);
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/* Tracing level */
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INLINE_SIM_EVENTS\
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(void) event_queue_trace
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(engine *system,
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int level);
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/* (de)Schedule things to happen in the future. */
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INLINE_SIM_EVENTS\
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(event_entry_tag) event_queue_schedule
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(engine *system,
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signed64 delta_time,
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event_handler *handler,
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void *data);
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INLINE_SIM_EVENTS\
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(event_entry_tag) event_queue_schedule_after_signal
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(engine *system,
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signed64 delta_time,
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event_handler *handler,
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void *data);
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INLINE_SIM_EVENTS\
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(void) event_queue_deschedule
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(engine *system,
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event_entry_tag event_to_remove);
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/* progress time. Broken into two parts so that if something is
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pending, the caller has a chance to save any cached state */
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INLINE_SIM_EVENTS\
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(int) event_queue_tick
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(engine *system);
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INLINE_SIM_EVENTS\
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(void) event_queue_process
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(engine *system);
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/* local concept of time */
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INLINE_SIM_EVENTS\
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(signed64) event_queue_time
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(engine *system);
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#endif
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