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_AIOCB_H
28 #define _SYS_AIOCB_H
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
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 #if defined(__STDC__)
44 volatile void *aio_buf; /* buffer location */
45 #else
46 void *aio_buf; /* buffer location */
47 #endif
48 size_t aio_nbytes; /* length of transfer */
49 off_t aio_offset; /* file offset */
50 int aio_reqprio; /* request priority offset */
51 struct sigevent aio_sigevent; /* notification type */
52 int aio_lio_opcode; /* listio operation */
53 aio_result_t aio_resultp; /* results */
54 int aio_state; /* state flag for List I/O */
55 int aio__pad[1]; /* extension padding */
56 } aiocb_t;
57
58 #ifdef _LARGEFILE64_SOURCE
59 #if !defined(_KERNEL)
60 typedef struct aiocb64 {
61 int aio_fildes;
62 #if defined(__STDC__)
63 volatile void *aio_buf; /* buffer location */
64 #else
65 void *aio_buf; /* buffer location */
66 #endif
67 size_t aio_nbytes; /* length of transfer */
68 off64_t aio_offset; /* file offset */
69 int aio_reqprio; /* request priority offset */
70 struct sigevent aio_sigevent; /* notification type */
71 int aio_lio_opcode; /* listio operation */
72 aio_result_t aio_resultp; /* results */
73 int aio_state; /* state flag for List I/O */
74 int aio__pad[1]; /* extension padding */
75 } aiocb64_t;
76 #else
77
78 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
79 #pragma pack(4)
80 #endif
81
82 typedef struct aiocb64_32 {
83 int aio_fildes;
84 caddr32_t aio_buf; /* buffer location */
85 uint32_t aio_nbytes; /* length of transfer */
86 off64_t aio_offset; /* file offset */
87 int aio_reqprio; /* request priority offset */
88 struct sigevent32 aio_sigevent; /* notification type */
89 int aio_lio_opcode; /* listio operation */
90 aio_result32_t aio_resultp; /* results */
91 int aio_state; /* state flag for List I/O */
92 int aio__pad[1]; /* extension padding */
93 } aiocb64_32_t;
94
95 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
96 #pragma pack()
97 #endif
98
99 #endif /* !defined(_KERNEL) */
100 #endif /* _LARGEFILE64_SOURCE */
101
102 #ifdef _SYSCALL32
103 typedef struct aiocb32 {
104 int aio_fildes;
105 caddr32_t aio_buf; /* buffer location */
106 uint32_t aio_nbytes; /* length of transfer */
107 uint32_t aio_offset; /* file offset */
108 int aio_reqprio; /* request priority offset */
109 struct sigevent32 aio_sigevent; /* notification type */
110 int aio_lio_opcode; /* listio operation */
111 aio_result32_t aio_resultp; /* results */
112 int aio_state; /* state flag for List I/O */
113 int aio__pad[1]; /* extension padding */
114 } aiocb32_t;
115
116 #endif /* _SYSCALL32 */
117 /*
118 * return values for aiocancel()
119 */
120 #define AIO_CANCELED 0
121 #define AIO_ALLDONE 1
122 #define AIO_NOTCANCELED 2
123
124 /*
125 * mode values for lio_listio()
126 */
127 #define LIO_NOWAIT 0
128 #define LIO_WAIT 1
129
130
131 /*
132 * listio operation codes
133 *
134 * LIO_READ and LIO_WRITE were previously defined as FREAD and FWRITE as
135 * defined in <sys/file.h>. However, inclusion of <sys/file.h> results
136 * in X/Open namespace pollution and as such is no longer included in
137 * this header. The values of LIO_READ and LIO_WRITE must be identical
138 * to the values of FREAD and FWRITE in <sys/file.h>. Any change to one
139 * will require a change to the other.
140 */
141
142 #define LIO_NOP 0
143 #define LIO_READ 0x01 /* Must match value of FREAD in sys/file.h */
144 #define LIO_WRITE 0x02 /* Must match value of FWRITE in sys/file.h */
145
146 #ifdef __cplusplus
147 }
148 #endif
149
150 #endif /* _SYS_AIOCB_H */