1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_AIO_H
28#define	_SYS_AIO_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36typedef struct aio_result_t {
37	ssize_t aio_return;	/* return value of read or write */
38	int aio_errno;		/* errno generated by the IO */
39} aio_result_t;
40
41#ifdef	_SYSCALL32
42typedef struct aio_result32_t {
43	int aio_return;		/* return value of read or write */
44	int aio_errno;		/* errno generated by the IO */
45} aio_result32_t;
46#endif /* _SYSCALL32 */
47
48#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
49#define	AIOREAD		0	/* opcodes for aio calls */
50#define	AIOWRITE	1
51#define	AIOWAIT		2
52#define	AIOCANCEL	3
53#define	AIONOTIFY	4
54#define	AIOINIT		5
55#define	AIOSTART	6
56#define	AIOLIO		7
57#define	AIOSUSPEND	8
58#define	AIOERROR	9
59#define	AIOLIOWAIT	10
60#define	AIOAREAD	11
61#define	AIOAWRITE	12
62#define	AIOFSYNC	20
63#define	AIOWAITN	21
64#define	AIORESERVED1	23	/* reserved for the aio implementation */
65#define	AIORESERVED2	24
66#define	AIORESERVED3	25
67#ifdef _LARGEFILE64_SOURCE
68#if	defined(_LP64) && !defined(_KERNEL)
69#define	AIOLIO64	AIOLIO
70#define	AIOSUSPEND64	AIOSUSPEND
71#define	AIOERROR64	AIOERROR
72#define	AIOLIOWAIT64	AIOLIOWAIT
73#define	AIOAREAD64	AIOAREAD
74#define	AIOAWRITE64	AIOAWRITE
75#define	AIOCANCEL64	AIOCANCEL
76#define	AIOFSYNC64	AIOFSYNC
77#else
78#define	AIOLIO64	13
79#define	AIOSUSPEND64	14
80#define	AIOERROR64	15
81#define	AIOLIOWAIT64	16
82#define	AIOAREAD64	17
83#define	AIOAWRITE64	18
84#define	AIOCANCEL64	19
85#define	AIOFSYNC64	22
86#endif /* defined(_LP64) && !defined(_KERNEL) */
87#endif /* _LARGEFILE64_SOURCE */
88#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
89
90#define	AIO_POLL_BIT	0x20	/* opcode filter for AIO_INPROGRESS */
91
92#ifdef	__cplusplus
93}
94#endif
95
96#endif /* _SYS_AIO_H */
97