source: roaraudio/include/libroar/vio_select.h @ 5961:06e7fd9e4c25

Last change on this file since 5961:06e7fd9e4c25 was 5961:06e7fd9e4c25, checked in by phi, 10 years ago

Updates of copyright and license headers

File size: 2.6 KB
Line 
1//vio_select.h:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2014
5 *
6 *  This file is part of libroar a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  libroar is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 *  NOTE for everyone want's to change something and send patches:
25 *  read README and HACKING! There a addition information on
26 *  the license of this document you need to read before you send
27 *  any patches.
28 *
29 *  NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc
30 *  or libpulse*:
31 *  The libs libroaresd, libroararts and libroarpulse link this lib
32 *  and are therefore GPL. Because of this it may be illigal to use
33 *  them with any software that uses libesd, libartsc or libpulse*.
34 */
35
36#ifndef _LIBROARVIO_SELECT_H_
37#define _LIBROARVIO_SELECT_H_
38
39#include "libroar.h"
40
41#define ROAR_VIO_SELECT_NONE          0x0000
42#define ROAR_VIO_SELECT_READ          0x0001
43#define ROAR_VIO_SELECT_WRITE         0x0002
44#define ROAR_VIO_SELECT_EXCEPT        0x0004
45#define ROAR_VIO_SELECT_NO_RETEST     0x4000 /* uppermostt bit set */
46
47#define ROAR_VIO_SELECT_ACTION_NONE   0x00
48#define ROAR_VIO_SELECT_ACTION_SELECT 0x01
49#define ROAR_VIO_SELECT_ACTION_POLL   0x02
50#define ROAR_VIO_SELECT_ACTION_VIOS   0x04 /* VIO Select */
51
52#define ROAR_VIO_SELECT_SETVIO(d,v,q) ((d)->vio = (v)); ((d)->fh = -1); ((d)->eventsq = (q))
53#define ROAR_VIO_SELECT_SETSYSIO(d,f,q) ((d)->vio = NULL); ((d)->fh = (f)); ((d)->eventsq = (q))
54
55struct roar_vio_select_internal {
56 int action;
57 int fh[3];
58};
59
60struct roar_vio_select {
61 struct roar_vio_calls * vio;
62 int fh;
63 int eventsq;
64 int eventsa;
65 union {
66  int    si;
67  void * vp;
68 } ud;
69 struct roar_vio_select_internal internal;
70};
71
72struct roar_vio_selectctl {
73 int strategy;
74};
75
76struct roar_vio_selecttv {
77 int64_t sec;
78 int32_t nsec;
79};
80
81ssize_t roar_vio_select(struct roar_vio_select * vios, size_t len, struct roar_vio_selecttv * rtv, struct roar_vio_selectctl * ctl);
82
83#endif
84
85//ll
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