/*
 * 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 2006 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_AIO_H
#define _SYS_AIO_H

#ifdef  __cplusplus
extern "C" {
#endif

typedef struct aio_result_t {
        ssize_t aio_return;     /* return value of read or write */
        int aio_errno;          /* errno generated by the IO */
} aio_result_t;

#ifdef  _SYSCALL32
typedef struct aio_result32_t {
        int aio_return;         /* return value of read or write */
        int aio_errno;          /* errno generated by the IO */
} aio_result32_t;
#endif /* _SYSCALL32 */

#if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
#define AIOREAD         0       /* opcodes for aio calls */
#define AIOWRITE        1
#define AIOWAIT         2
#define AIOCANCEL       3
#define AIONOTIFY       4
#define AIOINIT         5
#define AIOSTART        6
#define AIOLIO          7
#define AIOSUSPEND      8
#define AIOERROR        9
#define AIOLIOWAIT      10
#define AIOAREAD        11
#define AIOAWRITE       12
#define AIOFSYNC        20
#define AIOWAITN        21
#define AIORESERVED1    23      /* reserved for the aio implementation */
#define AIORESERVED2    24
#define AIORESERVED3    25
#ifdef _LARGEFILE64_SOURCE
#if     defined(_LP64) && !defined(_KERNEL)
#define AIOLIO64        AIOLIO
#define AIOSUSPEND64    AIOSUSPEND
#define AIOERROR64      AIOERROR
#define AIOLIOWAIT64    AIOLIOWAIT
#define AIOAREAD64      AIOAREAD
#define AIOAWRITE64     AIOAWRITE
#define AIOCANCEL64     AIOCANCEL
#define AIOFSYNC64      AIOFSYNC
#else
#define AIOLIO64        13
#define AIOSUSPEND64    14
#define AIOERROR64      15
#define AIOLIOWAIT64    16
#define AIOAREAD64      17
#define AIOAWRITE64     18
#define AIOCANCEL64     19
#define AIOFSYNC64      22
#endif /* defined(_LP64) && !defined(_KERNEL) */
#endif /* _LARGEFILE64_SOURCE */
#endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */

#define AIO_POLL_BIT    0x20    /* opcode filter for AIO_INPROGRESS */

#ifdef  __cplusplus
}
#endif

#endif /* _SYS_AIO_H */