asynch.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 */