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/* XXX Conflicts with John's - not installed.
*/
/*-
* Copyright (c) 1996, 1997
* HD Associates, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by HD Associates, Inc
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/* aio.h: P1003.1B-1993 Asynchronous I/O */
#ifndef _P1003_1B_AIO_H_
#define _P1003_1B_AIO_H_
#include <sys/_posix.h>
#include <sys/types.h>
/* For struct sigevent:
*/
#ifdef KERNEL
#include <sys/signal.h>
#else
#include <signal.h>
#ifdef _P1003_1B_INCLUDE_MAYBES
#include <time.h>
#include <fcntl.h>
#else
struct timespec;
#endif
#endif
/* Return values: */
#define AIO_CANCELED 0x01 /* All operations cancelled */
#define AIO_NOTCANCELLED 0x02 /* Some not cancelled */
#define AIO_ALLDONE 0x04 /* None were cancelled */
/* lio_listio synchronization options */
#define LIO_WAIT 0x08 /* Suspend until complete */
#define LIO_NOWAIT 0x10 /* Continue operation */
/* lio_listio element operations */
#define LIO_READ 0x20
#define LIO_WRITE 0x40
#define LIO_NOP 0x80
typedef struct aiocb * const aio_listio_ctl;
typedef const struct aiocb * const caio_listio_ctl;
struct aiocb {
int aio_fildes; /* File descriptor */
off_t aio_offset; /* File offset */
volatile void * aio_buf; /* Location of buffer */
size_t aio_nbytes; /* Length of transfer */
int aio_reqprio; /* Request priority offset */
struct sigevent aio_sigevent; /* Signal number and value */
int aio_lio_opcode; /* Operation to be performed */
};
#ifndef KERNEL
#include <sys/cdefs.h>
__BEGIN_DECLS
int aio_read __P((struct aiocb *));
int aio_write __P((struct aiocb *));
int lio_listio __P((int, aio_listio_ctl[], int, struct sigevent *));
int aio_error __P((const struct aiocb *));
ssize_t aio_return __P((struct aiocb *));
int aio_cancel __P((int, struct aiocb *));
int aio_suspend __P((caio_listio_ctl[], int, const struct timespec *));
int aio_fsync __P((int, struct aiocb *));
__END_DECLS
#endif /* KERNEL */
#endif /* _P1003_1B_AIO_H_ */
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