diff options
Diffstat (limited to 'usr/src/uts/common/sys/asynch.h')
| -rw-r--r-- | usr/src/uts/common/sys/asynch.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/asynch.h b/usr/src/uts/common/sys/asynch.h new file mode 100644 index 0000000000..48dc3dc622 --- /dev/null +++ b/usr/src/uts/common/sys/asynch.h @@ -0,0 +1,79 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 1991 by Sun Microsystems, Inc. + */ + +#ifndef _SYS_ASYNCH_H +#define _SYS_ASYNCH_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/feature_tests.h> +#include <sys/types.h> +#include <sys/aio.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define AIO_INPROGRESS -2 /* values not set by the system */ + +/* large file compilation environment setup */ +#if !defined(_LP64) && _FILE_OFFSET_BITS == 64 +#ifdef __PRAGMA_REDEFINE_EXTNAME +#pragma redefine_extname aioread aioread64 +#pragma redefine_extname aiowrite aiowrite64 +#else +#define aioread aioread64 +#define aiowrite aiowrite64 +#endif +#endif /* _FILE_OFFSET_BITS */ + +#if defined(_LP64) && defined(_LARGEFILE64_SOURCE) +#ifdef __PRAGMA_REDEFINE_EXTNAME +#pragma redefine_extname aioread64 aioread +#pragma redefine_extname aiowrite64 aiowrite +#else +#define aioread64 aioread +#define aiowrite64 aiowrite +#endif +#endif /* _LP64 && _LARGEFILE64_SOURCE */ +extern int aioread(int, caddr_t, int, off_t, int, aio_result_t *); +extern int aiowrite(int, caddr_t, int, off_t, int, aio_result_t *); +extern int aiocancel(aio_result_t *); +extern aio_result_t *aiowait(struct timeval *); + +/* transitional large file interfaces */ +#if defined(_LARGEFILE64_SOURCE) && !((_FILE_OFFSET_BITS == 64) && \ + !defined(__PRAGMA_REDEFINE_EXTNAME)) +extern int aioread64(int, caddr_t, int, off64_t, int, aio_result_t *); +extern int aiowrite64(int, caddr_t, int, off64_t, int, aio_result_t *); +#endif /* _LARGEFILE64_SOURCE... */ + +#define MAXASYNCHIO 200 /* maxi.number of outstanding i/o's */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ASYNCH_H */ |