comparison spandsp-0.0.6pre17/src/spandsp/schedule.h @ 4:26cd8f1ef0b1

import spandsp-0.0.6pre17
author Peter Meerwald <pmeerw@cosy.sbg.ac.at>
date Fri, 25 Jun 2010 15:50:58 +0200
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3:c6c5a16ce2f2 4:26cd8f1ef0b1
1 /*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * schedule.h
5 *
6 * Written by Steve Underwood <steveu@coppice.org>
7 *
8 * Copyright (C) 2004 Steve Underwood
9 *
10 * All rights reserved.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU Lesser General Public License version 2.1,
14 * as published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * $Id: schedule.h,v 1.20 2009/02/10 13:06:47 steveu Exp $
26 */
27
28 /*! \file */
29
30 /*! \page schedule_page Scheduling
31 \section schedule_page_sec_1 What does it do?
32 ???.
33
34 \section schedule_page_sec_2 How does it work?
35 ???.
36 */
37
38 #if !defined(_SPANDSP_SCHEDULE_H_)
39 #define _SPANDSP_SCHEDULE_H_
40
41 /*! A scheduled event entry. */
42 typedef struct span_sched_s span_sched_t;
43
44 /*! A scheduled event queue. */
45 typedef struct span_sched_state_s span_sched_state_t;
46
47 typedef void (*span_sched_callback_func_t)(span_sched_state_t *s, void *user_data);
48
49 #if defined(__cplusplus)
50 extern "C"
51 {
52 #endif
53
54 SPAN_DECLARE(uint64_t) span_schedule_next(span_sched_state_t *s);
55 SPAN_DECLARE(uint64_t) span_schedule_time(span_sched_state_t *s);
56
57 SPAN_DECLARE(int) span_schedule_event(span_sched_state_t *s, int us, span_sched_callback_func_t function, void *user_data);
58 SPAN_DECLARE(void) span_schedule_update(span_sched_state_t *s, int us);
59 SPAN_DECLARE(void) span_schedule_del(span_sched_state_t *s, int id);
60
61 SPAN_DECLARE(span_sched_state_t *) span_schedule_init(span_sched_state_t *s);
62 SPAN_DECLARE(int) span_schedule_release(span_sched_state_t *s);
63 SPAN_DECLARE(int) span_schedule_free(span_sched_state_t *s);
64
65 #if defined(__cplusplus)
66 }
67 #endif
68
69 #endif
70 /*- End of file ------------------------------------------------------------*/

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