aiocb.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_AIOCB_H
#define _SYS_AIOCB_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/fcntl.h>
#include <sys/siginfo.h>
#include <sys/aio.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct aiocb {
int aio_fildes;
#if defined(__STDC__)
volatile void *aio_buf; /* buffer location */
#else
void *aio_buf; /* buffer location */
#endif
size_t aio_nbytes; /* length of transfer */
off_t aio_offset; /* file offset */
int aio_reqprio; /* request priority offset */
struct sigevent aio_sigevent; /* signal number and offset */
int aio_lio_opcode; /* listio operation */
aio_result_t aio_resultp; /* results */
int aio_state; /* state flag for List I/O */
int aio__pad[1]; /* extension padding */
} aiocb_t;
#ifdef _LARGEFILE64_SOURCE
#if !defined(_KERNEL)
typedef struct aiocb64 {
int aio_fildes;
#if defined(__STDC__)
volatile void *aio_buf; /* buffer location */
#else
void *aio_buf; /* buffer location */
#endif
size_t aio_nbytes; /* length of transfer */
off64_t aio_offset; /* file offset */
int aio_reqprio; /* request priority offset */
struct sigevent aio_sigevent; /* signal number and offset */
int aio_lio_opcode; /* listio operation */
aio_result_t aio_resultp; /* results */
int aio_state; /* state flag for List I/O */
int aio__pad[1]; /* extension padding */
} aiocb64_t;
#else
#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
#pragma pack(4)
#endif
typedef struct aiocb64_32 {
int aio_fildes;
caddr32_t aio_buf; /* buffer location */
uint32_t aio_nbytes; /* length of transfer */
off64_t aio_offset; /* file offset */
int aio_reqprio; /* request priority offset */
struct sigevent32 aio_sigevent; /* signal number and offset */
int aio_lio_opcode; /* listio operation */
aio_result32_t aio_resultp; /* results */
int aio_state; /* state flag for List I/O */
int aio__pad[1]; /* extension padding */
} aiocb64_32_t;
#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4
#pragma pack()
#endif
#endif /* !defined(_KERNEL) */
#endif /* _LARGEFILE64_SOURCE */
#ifdef _SYSCALL32
typedef struct aiocb32 {
int aio_fildes;
caddr32_t aio_buf; /* buffer location */
uint32_t aio_nbytes; /* length of transfer */
uint32_t aio_offset; /* file offset */
int aio_reqprio; /* request priority offset */
struct sigevent32 aio_sigevent; /* signal number and offset */
int aio_lio_opcode; /* listio operation */
aio_result32_t aio_resultp; /* results */
int aio_state; /* state flag for List I/O */
int aio__pad[1]; /* extension padding */
} aiocb32_t;
#endif /* _SYSCALL32 */
/*
* return values for aiocancel()
*/
#define AIO_CANCELED 0
#define AIO_ALLDONE 1
#define AIO_NOTCANCELED 2
/*
* mode values for lio_listio()
*/
#define LIO_NOWAIT 0
#define LIO_WAIT 1
/*
* listio operation codes
*
* LIO_READ and LIO_WRITE were previously defined as FREAD and FWRITE as
* defined in <sys/file.h>. However, inclusion of <sys/file.h> results
* in X/Open namespace pollution and as such is no longer included in
* this header. The values of LIO_READ and LIO_WRITE must be identical
* to the values of FREAD and FWRITE in <sys/file.h>. Any change to one
* will require a change to the other.
*/
#define LIO_NOP 0
#define LIO_READ 0x01 /* Must match value of FREAD in sys/file.h */
#define LIO_WRITE 0x02 /* Must match value of FWRITE in sys/file.h */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_AIOCB_H */