usr/src/uts/common/sys/aio.h

   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 */