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 (c) 1991 by Sun Microsystems, Inc. 24 */ 25 26 #ifndef _SYS_ASYNCH_H 27 #define _SYS_ASYNCH_H 28 29 #include <sys/feature_tests.h> 30 #include <sys/types.h> 31 #include <sys/aio.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #define AIO_INPROGRESS -2 /* values not set by the system */ 38 39 /* large file compilation environment setup */ 40 #if !defined(_LP64) && _FILE_OFFSET_BITS == 64 41 #ifdef __PRAGMA_REDEFINE_EXTNAME 42 #pragma redefine_extname aioread aioread64 43 #pragma redefine_extname aiowrite aiowrite64 44 #else 45 #define aioread aioread64 46 #define aiowrite aiowrite64 47 #endif 48 #endif /* _FILE_OFFSET_BITS */ 49 50 #if defined(_LP64) && defined(_LARGEFILE64_SOURCE) 51 #ifdef __PRAGMA_REDEFINE_EXTNAME 52 #pragma redefine_extname aioread64 aioread 53 #pragma redefine_extname aiowrite64 aiowrite 54 #else 55 #define aioread64 aioread 56 #define aiowrite64 aiowrite 57 #endif 58 #endif /* _LP64 && _LARGEFILE64_SOURCE */ 59 extern int aioread(int, caddr_t, int, off_t, int, aio_result_t *); 60 extern int aiowrite(int, caddr_t, int, off_t, int, aio_result_t *); 61 extern int aiocancel(aio_result_t *); 62 extern aio_result_t *aiowait(struct timeval *); 63 64 /* transitional large file interfaces */ 65 #if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ 66 !defined(__PRAGMA_REDEFINE_EXTNAME)) 67 extern int aioread64(int, caddr_t, int, off64_t, int, aio_result_t *); 68 extern int aiowrite64(int, caddr_t, int, off64_t, int, aio_result_t *); 69 #endif /* _LARGEFILE64_SOURCE... */ 70 71 #define MAXASYNCHIO 200 /* maxi.number of outstanding i/o's */ 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* _SYS_ASYNCH_H */ 78