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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_AIOCB_H 28 #define _SYS_AIOCB_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <sys/fcntl.h> 34 #include <sys/siginfo.h> 35 #include <sys/aio.h> 36 37 #ifdef __cplusplus 38 extern "C" { 39 #endif 40 41 typedef struct aiocb { 42 int aio_fildes; 43 #if defined(__STDC__) 44 volatile void *aio_buf; /* buffer location */ 45 #else 46 void *aio_buf; /* buffer location */ 47 #endif 48 size_t aio_nbytes; /* length of transfer */ 49 off_t aio_offset; /* file offset */ 50 int aio_reqprio; /* request priority offset */ 51 struct sigevent aio_sigevent; /* signal number and offset */ 52 int aio_lio_opcode; /* listio operation */ 53 aio_result_t aio_resultp; /* results */ 54 int aio_state; /* state flag for List I/O */ 55 int aio__pad[1]; /* extension padding */ 56 } aiocb_t; 57 58 #ifdef _LARGEFILE64_SOURCE 59 #if !defined(_KERNEL) 60 typedef struct aiocb64 { 61 int aio_fildes; 62 #if defined(__STDC__) 63 volatile void *aio_buf; /* buffer location */ 64 #else 65 void *aio_buf; /* buffer location */ 66 #endif 67 size_t aio_nbytes; /* length of transfer */ 68 off64_t aio_offset; /* file offset */ 69 int aio_reqprio; /* request priority offset */ 70 struct sigevent aio_sigevent; /* signal number and offset */ 71 int aio_lio_opcode; /* listio operation */ 72 aio_result_t aio_resultp; /* results */ 73 int aio_state; /* state flag for List I/O */ 74 int aio__pad[1]; /* extension padding */ 75 } aiocb64_t; 76 #else 77 78 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 79 #pragma pack(4) 80 #endif 81 82 typedef struct aiocb64_32 { 83 int aio_fildes; 84 caddr32_t aio_buf; /* buffer location */ 85 uint32_t aio_nbytes; /* length of transfer */ 86 off64_t aio_offset; /* file offset */ 87 int aio_reqprio; /* request priority offset */ 88 struct sigevent32 aio_sigevent; /* signal number and offset */ 89 int aio_lio_opcode; /* listio operation */ 90 aio_result32_t aio_resultp; /* results */ 91 int aio_state; /* state flag for List I/O */ 92 int aio__pad[1]; /* extension padding */ 93 } aiocb64_32_t; 94 95 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 96 #pragma pack() 97 #endif 98 99 #endif /* !defined(_KERNEL) */ 100 #endif /* _LARGEFILE64_SOURCE */ 101 102 #ifdef _SYSCALL32 103 typedef struct aiocb32 { 104 int aio_fildes; 105 caddr32_t aio_buf; /* buffer location */ 106 uint32_t aio_nbytes; /* length of transfer */ 107 uint32_t aio_offset; /* file offset */ 108 int aio_reqprio; /* request priority offset */ 109 struct sigevent32 aio_sigevent; /* signal number and offset */ 110 int aio_lio_opcode; /* listio operation */ 111 aio_result32_t aio_resultp; /* results */ 112 int aio_state; /* state flag for List I/O */ 113 int aio__pad[1]; /* extension padding */ 114 } aiocb32_t; 115 116 #endif /* _SYSCALL32 */ 117 /* 118 * return values for aiocancel() 119 */ 120 #define AIO_CANCELED 0 121 #define AIO_ALLDONE 1 122 #define AIO_NOTCANCELED 2 123 124 /* 125 * mode values for lio_listio() 126 */ 127 #define LIO_NOWAIT 0 128 #define LIO_WAIT 1 129 130 131 /* 132 * listio operation codes 133 * 134 * LIO_READ and LIO_WRITE were previously defined as FREAD and FWRITE as 135 * defined in <sys/file.h>. However, inclusion of <sys/file.h> results 136 * in X/Open namespace pollution and as such is no longer included in 137 * this header. The values of LIO_READ and LIO_WRITE must be identical 138 * to the values of FREAD and FWRITE in <sys/file.h>. Any change to one 139 * will require a change to the other. 140 */ 141 142 #define LIO_NOP 0 143 #define LIO_READ 0x01 /* Must match value of FREAD in sys/file.h */ 144 #define LIO_WRITE 0x02 /* Must match value of FWRITE in sys/file.h */ 145 146 #ifdef __cplusplus 147 } 148 #endif 149 150 #endif /* _SYS_AIOCB_H */ 151