/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2014 Garrett D'Amore <garrett@damore.org>
 *
 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_AIOCB_H
#define _SYS_AIOCB_H

#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;
        volatile void   *aio_buf;               /* buffer location */
        size_t          aio_nbytes;             /* length of transfer */
        off_t           aio_offset;             /* file offset */
        int             aio_reqprio;            /* request priority offset */
        struct sigevent aio_sigevent;           /* notification type */
        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;
        volatile void   *aio_buf;               /* buffer location */
        size_t          aio_nbytes;             /* length of transfer */
        off64_t         aio_offset;             /* file offset */
        int             aio_reqprio;            /* request priority offset */
        struct sigevent aio_sigevent;           /* notification type */
        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;         /* notification type */
        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;         /* notification type */
        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 */