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      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_AIO_H
     28 #define	_SYS_AIO_H
     29 
     30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     31 
     32 #ifdef	__cplusplus
     33 extern "C" {
     34 #endif
     35 
     36 typedef struct aio_result_t {
     37 	ssize_t aio_return;	/* return value of read or write */
     38 	int aio_errno;		/* errno generated by the IO */
     39 } aio_result_t;
     40 
     41 #ifdef	_SYSCALL32
     42 typedef struct aio_result32_t {
     43 	int aio_return;		/* return value of read or write */
     44 	int aio_errno;		/* errno generated by the IO */
     45 } aio_result32_t;
     46 #endif /* _SYSCALL32 */
     47 
     48 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
     49 #define	AIOREAD		0	/* opcodes for aio calls */
     50 #define	AIOWRITE	1
     51 #define	AIOWAIT		2
     52 #define	AIOCANCEL	3
     53 #define	AIONOTIFY	4
     54 #define	AIOINIT		5
     55 #define	AIOSTART	6
     56 #define	AIOLIO		7
     57 #define	AIOSUSPEND	8
     58 #define	AIOERROR	9
     59 #define	AIOLIOWAIT	10
     60 #define	AIOAREAD	11
     61 #define	AIOAWRITE	12
     62 #define	AIOFSYNC	20
     63 #define	AIOWAITN	21
     64 #define	AIORESERVED1	23	/* reserved for the aio implementation */
     65 #define	AIORESERVED2	24
     66 #define	AIORESERVED3	25
     67 #ifdef _LARGEFILE64_SOURCE
     68 #if	defined(_LP64) && !defined(_KERNEL)
     69 #define	AIOLIO64	AIOLIO
     70 #define	AIOSUSPEND64	AIOSUSPEND
     71 #define	AIOERROR64	AIOERROR
     72 #define	AIOLIOWAIT64	AIOLIOWAIT
     73 #define	AIOAREAD64	AIOAREAD
     74 #define	AIOAWRITE64	AIOAWRITE
     75 #define	AIOCANCEL64	AIOCANCEL
     76 #define	AIOFSYNC64	AIOFSYNC
     77 #else
     78 #define	AIOLIO64	13
     79 #define	AIOSUSPEND64	14
     80 #define	AIOERROR64	15
     81 #define	AIOLIOWAIT64	16
     82 #define	AIOAREAD64	17
     83 #define	AIOAWRITE64	18
     84 #define	AIOCANCEL64	19
     85 #define	AIOFSYNC64	22
     86 #endif /* defined(_LP64) && !defined(_KERNEL) */
     87 #endif /* _LARGEFILE64_SOURCE */
     88 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
     89 
     90 #define	AIO_POLL_BIT	0x20	/* opcode filter for AIO_INPROGRESS */
     91 
     92 #ifdef	__cplusplus
     93 }
     94 #endif
     95 
     96 #endif /* _SYS_AIO_H */
     97