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cb7a6892 MM |
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_ */ |