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 _AIO_H 28 #define _AIO_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/feature_tests.h> 33 #include <sys/types.h> 34 #include <sys/fcntl.h> 35 #include <sys/siginfo.h> 36 #include <sys/aiocb.h> 37 #include <time.h> 38 39 #ifdef __cplusplus 40 extern "C" { 41 #endif 42 43 #if (_POSIX_C_SOURCE - 0 > 0) && (_POSIX_C_SOURCE - 0 <= 2) 44 #error "POSIX Asynchronous I/O is not supported in POSIX.1-1990" 45 #endif 46 47 /* large file compilation environment setup */ 48 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 49 #ifdef __PRAGMA_REDEFINE_EXTNAME 50 #pragma redefine_extname aio_read aio_read64 51 #pragma redefine_extname aio_write aio_write64 52 #pragma redefine_extname lio_listio lio_listio64 53 #pragma redefine_extname aio_error aio_error64 54 #pragma redefine_extname aio_return aio_return64 55 #pragma redefine_extname aio_cancel aio_cancel64 56 #pragma redefine_extname aio_suspend aio_suspend64 57 #pragma redefine_extname aio_fsync aio_fsync64 58 #pragma redefine_extname aio_waitn aio_waitn64 59 #else 60 #define aiocb aiocb64 61 #define aiocb_t aiocb64_t 62 #define aio_read aio_read64 63 #define aio_write aio_write64 64 #define lio_listio lio_listio64 65 #define aio_error aio_error64 66 #define aio_return aio_return64 67 #define aio_cancel aio_cancel64 68 #define aio_suspend aio_suspend64 69 #define aio_fsync aio_fsync64 70 #define aio_waitn aio_waitn64 71 #endif 72 #endif /* !_LP64 && _FILE_OFFSET_BITS == 64 */ 73 74 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 75 /* 76 * In the LP64 compilation environment, map the 64-bit-explicit versions 77 * back to the generic versions: all i/o operations are already "large file" 78 */ 79 #ifdef __PRAGMA_REDEFINE_EXTNAME 80 #pragma redefine_extname aio_read64 aio_read 81 #pragma redefine_extname aio_write64 aio_write 82 #pragma redefine_extname lio_listio64 lio_listio 83 #pragma redefine_extname aio_error64 aio_error 84 #pragma redefine_extname aio_return64 aio_return 85 #pragma redefine_extname aio_cancel64 aio_cancel 86 #pragma redefine_extname aio_suspend64 aio_suspend 87 #pragma redefine_extname aio_fsync64 aio_fsync 88 #pragma redefine_extname aio_waitn64 aio_waitn 89 #else 90 #define aiocb64 aiocb 91 #define aiocb64_t aiocb_t 92 #define aio_read64 aio_read 93 #define aio_write64 aio_write 94 #define lio_listio64 lio_listio 95 #define aio_error64 aio_error 96 #define aio_return64 aio_return 97 #define aio_cancel64 aio_cancel 98 #define aio_suspend64 aio_suspend 99 #define aio_fsync64 aio_fsync 100 #define aio_waitn64 aio_waitn 101 #endif 102 #endif /* _LP64 && _LARGEFILE64_SOURCE */ 103 104 /* 105 * function prototypes 106 */ 107 #if defined(__STDC__) 108 extern int aio_read(aiocb_t *); 109 extern int aio_write(aiocb_t *); 110 extern int lio_listio(int, 111 aiocb_t *_RESTRICT_KYWD const *_RESTRICT_KYWD, 112 int, struct sigevent *_RESTRICT_KYWD); 113 extern int aio_error(const aiocb_t *); 114 extern ssize_t aio_return(aiocb_t *); 115 extern int aio_cancel(int, aiocb_t *); 116 extern int aio_suspend(const aiocb_t *const[], int, 117 const struct timespec *); 118 extern int aio_fsync(int, aiocb_t *); 119 extern int aio_waitn(aiocb_t *[], uint_t, uint_t *, 120 const struct timespec *); 121 122 123 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 124 !defined(__PRAGMA_REDEFINE_EXTNAME)) 125 extern int aio_read64(aiocb64_t *); 126 extern int aio_write64(aiocb64_t *); 127 extern int lio_listio64(int, 128 aiocb64_t *_RESTRICT_KYWD const *_RESTRICT_KYWD, 129 int, struct sigevent *_RESTRICT_KYWD); 130 extern int aio_error64(const aiocb64_t *); 131 extern ssize_t aio_return64(aiocb64_t *); 132 extern int aio_cancel64(int, aiocb64_t *); 133 extern int aio_suspend64(const aiocb64_t *const[], int, 134 const struct timespec *); 135 extern int aio_fsync64(int, aiocb64_t *); 136 extern int aio_waitn64(aiocb64_t *[], uint_t, uint_t *, 137 const struct timespec *); 138 #endif /* _LARGEFILE64_SOURCE */ 139 140 #else 141 extern int aio_read(); 142 extern int aio_write(); 143 extern int lio_listio(); 144 extern int aio_error(); 145 extern ssize_t aio_return(); 146 extern int aio_cancel(); 147 extern int aio_suspend(); 148 extern int aio_fsync(); 149 extern int aio_waitn(); 150 151 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 152 !defined(__PRAGMA_REDEFINE_EXTNAME)) 153 extern int aio_read64(); 154 extern int aio_write64(); 155 extern int lio_listio64(); 156 extern int aio_error64(); 157 extern ssize_t aio_return64(); 158 extern int aio_cancel64(); 159 extern int aio_suspend64(); 160 extern int aio_fsync64(); 161 extern int aio_waitn64(); 162 #endif /* _LARGEFILE64_SOURCE */ 163 164 #endif /* __STDC__ */ 165 166 #ifdef __cplusplus 167 } 168 #endif 169 170 #endif /* _AIO_H */ 171