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 2014 Garrett D'Amore <garrett@damore.org> 24 * 25 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #ifndef _SYS_AIOCB_H 30 #define _SYS_AIOCB_H 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 volatile void *aio_buf; /* buffer location */ 44 size_t aio_nbytes; /* length of transfer */ 45 off_t aio_offset; /* file offset */ 46 int aio_reqprio; /* request priority offset */ 47 struct sigevent aio_sigevent; /* notification type */ 48 int aio_lio_opcode; /* listio operation */ 49 aio_result_t aio_resultp; /* results */ 50 int aio_state; /* state flag for List I/O */ 51 int aio__pad[1]; /* extension padding */ 52 } aiocb_t; 53 54 #ifdef _LARGEFILE64_SOURCE 55 #if !defined(_KERNEL) 56 typedef struct aiocb64 { 57 int aio_fildes; 58 volatile void *aio_buf; /* buffer location */ 59 size_t aio_nbytes; /* length of transfer */ 60 off64_t aio_offset; /* file offset */ 61 int aio_reqprio; /* request priority offset */ 62 struct sigevent aio_sigevent; /* notification type */ 63 int aio_lio_opcode; /* listio operation */ 64 aio_result_t aio_resultp; /* results */ 65 int aio_state; /* state flag for List I/O */ 66 int aio__pad[1]; /* extension padding */ 67 } aiocb64_t; 68 #else 69 70 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 71 #pragma pack(4) 72 #endif 73 74 typedef struct aiocb64_32 { 75 int aio_fildes; 76 caddr32_t aio_buf; /* buffer location */ 77 uint32_t aio_nbytes; /* length of transfer */ 78 off64_t aio_offset; /* file offset */ 79 int aio_reqprio; /* request priority offset */ 80 struct sigevent32 aio_sigevent; /* notification type */ 81 int aio_lio_opcode; /* listio operation */ 82 aio_result32_t aio_resultp; /* results */ 83 int aio_state; /* state flag for List I/O */ 84 int aio__pad[1]; /* extension padding */ 85 } aiocb64_32_t; 86 87 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 88 #pragma pack() 89 #endif 90 91 #endif /* !defined(_KERNEL) */ 92 #endif /* _LARGEFILE64_SOURCE */ 93 94 #ifdef _SYSCALL32 95 typedef struct aiocb32 { 96 int aio_fildes; 97 caddr32_t aio_buf; /* buffer location */ 98 uint32_t aio_nbytes; /* length of transfer */ 99 uint32_t aio_offset; /* file offset */ 100 int aio_reqprio; /* request priority offset */ 101 struct sigevent32 aio_sigevent; /* notification type */ 102 int aio_lio_opcode; /* listio operation */ 103 aio_result32_t aio_resultp; /* results */ 104 int aio_state; /* state flag for List I/O */ 105 int aio__pad[1]; /* extension padding */ 106 } aiocb32_t; 107 108 #endif /* _SYSCALL32 */ 109 /* 110 * return values for aiocancel() 111 */ 112 #define AIO_CANCELED 0 113 #define AIO_ALLDONE 1 114 #define AIO_NOTCANCELED 2 115 116 /* 117 * mode values for lio_listio() 118 */ 119 #define LIO_NOWAIT 0 120 #define LIO_WAIT 1 121 122 123 /* 124 * listio operation codes 125 * 126 * LIO_READ and LIO_WRITE were previously defined as FREAD and FWRITE as 127 * defined in <sys/file.h>. However, inclusion of <sys/file.h> results 128 * in X/Open namespace pollution and as such is no longer included in 129 * this header. The values of LIO_READ and LIO_WRITE must be identical 130 * to the values of FREAD and FWRITE in <sys/file.h>. Any change to one 131 * will require a change to the other. 132 */ 133 134 #define LIO_NOP 0 135 #define LIO_READ 0x01 /* Must match value of FREAD in sys/file.h */ 136 #define LIO_WRITE 0x02 /* Must match value of FWRITE in sys/file.h */ 137 138 #ifdef __cplusplus 139 } 140 #endif 141 142 #endif /* _SYS_AIOCB_H */ 143