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 2014 Garrett D'Amore <garrett@damore.org>
24 *
25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 #ifndef _SYS_AIOCB_H
30 #define _SYS_AIOCB_H
31
32 #include <sys/types.h>
33 #include <sys/fcntl.h>
34 #include <sys/siginfo.h>
35 #include <sys/aio.h>
36
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40
41 typedef struct aiocb {
42 int aio_fildes;
43 volatile void *aio_buf; /* buffer location */
44 size_t aio_nbytes; /* length of transfer */
45 off_t aio_offset; /* file offset */
46 int aio_reqprio; /* request priority offset */
47 struct sigevent aio_sigevent; /* notification type */
48 int aio_lio_opcode; /* listio operation */
49 aio_result_t aio_resultp; /* results */
50 int aio_state; /* state flag for List I/O */
51 int aio__pad[1]; /* extension padding */
52 } aiocb_t;
53
54 #ifdef _LARGEFILE64_SOURCE
55 #if !defined(_KERNEL)
56 typedef struct aiocb64 {
57 int aio_fildes;
58 volatile void *aio_buf; /* buffer location */
59 size_t aio_nbytes; /* length of transfer */
60 off64_t aio_offset; /* file offset */
61 int aio_reqprio; /* request priority offset */
62 struct sigevent aio_sigevent; /* notification type */
63 int aio_lio_opcode; /* listio operation */
64 aio_result_t aio_resultp; /* results */
65 int aio_state; /* state flag for List I/O */
66 int aio__pad[1]; /* extension padding */
67 } aiocb64_t;
68 #else
69
70 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
71 #pragma pack(4)
72 #endif
73
74 typedef struct aiocb64_32 {
75 int aio_fildes;
76 caddr32_t aio_buf; /* buffer location */
77 uint32_t aio_nbytes; /* length of transfer */
78 off64_t aio_offset; /* file offset */
79 int aio_reqprio; /* request priority offset */
80 struct sigevent32 aio_sigevent; /* notification type */
81 int aio_lio_opcode; /* listio operation */
82 aio_result32_t aio_resultp; /* results */
83 int aio_state; /* state flag for List I/O */
84 int aio__pad[1]; /* extension padding */
85 } aiocb64_32_t;
86
87 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
88 #pragma pack()
89 #endif
90
91 #endif /* !defined(_KERNEL) */
92 #endif /* _LARGEFILE64_SOURCE */
93
94 #ifdef _SYSCALL32
95 typedef struct aiocb32 {
96 int aio_fildes;
97 caddr32_t aio_buf; /* buffer location */
98 uint32_t aio_nbytes; /* length of transfer */
99 uint32_t aio_offset; /* file offset */
100 int aio_reqprio; /* request priority offset */
101 struct sigevent32 aio_sigevent; /* notification type */
102 int aio_lio_opcode; /* listio operation */
103 aio_result32_t aio_resultp; /* results */
104 int aio_state; /* state flag for List I/O */
105 int aio__pad[1]; /* extension padding */
106 } aiocb32_t;
107
108 #endif /* _SYSCALL32 */
109 /*
110 * return values for aiocancel()
111 */
112 #define AIO_CANCELED 0
113 #define AIO_ALLDONE 1
114 #define AIO_NOTCANCELED 2
115
116 /*
117 * mode values for lio_listio()
118 */
119 #define LIO_NOWAIT 0
120 #define LIO_WAIT 1
121
122
123 /*
124 * listio operation codes
125 *
126 * LIO_READ and LIO_WRITE were previously defined as FREAD and FWRITE as
127 * defined in <sys/file.h>. However, inclusion of <sys/file.h> results
128 * in X/Open namespace pollution and as such is no longer included in
129 * this header. The values of LIO_READ and LIO_WRITE must be identical
130 * to the values of FREAD and FWRITE in <sys/file.h>. Any change to one
131 * will require a change to the other.
132 */
133
134 #define LIO_NOP 0
135 #define LIO_READ 0x01 /* Must match value of FREAD in sys/file.h */
136 #define LIO_WRITE 0x02 /* Must match value of FWRITE in sys/file.h */
137
138 #ifdef __cplusplus
139 }
140 #endif
141
142 #endif /* _SYS_AIOCB_H */