mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 12:54:27 +00:00
8dfc788b84
Suggested by: Vinícius dos Santos Oliveira <vini.ipsmaker@gmail.com> Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D43448
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2024 The FreeBSD Foundation
|
|
*
|
|
* This software were developed by Konstantin Belousov <kib@FreeBSD.org>
|
|
* under sponsorship from the FreeBSD Foundation.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR 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.
|
|
*/
|
|
|
|
#include <sys/aio.h>
|
|
#include <errno.h>
|
|
#include <stddef.h>
|
|
|
|
int
|
|
aio_read2(struct aiocb *iocb, int flags)
|
|
{
|
|
int error;
|
|
|
|
if ((flags & ~(AIO_OP2_FOFFSET | AIO_OP2_VECTORED)) != 0) {
|
|
errno = EINVAL;
|
|
return (-1);
|
|
}
|
|
iocb->aio_lio_opcode = LIO_READ;
|
|
if ((flags & AIO_OP2_FOFFSET) != 0)
|
|
iocb->aio_lio_opcode |= LIO_FOFFSET;
|
|
if ((flags & AIO_OP2_VECTORED) != 0)
|
|
iocb->aio_lio_opcode |= LIO_VECTORED;
|
|
|
|
error = lio_listio(LIO_NOWAIT, &iocb, 1, NULL);
|
|
if (error == -1 && errno == EIO) {
|
|
error = aio_error(iocb);
|
|
if (error != -1 && error != 0)
|
|
errno = error;
|
|
error = -1;
|
|
}
|
|
return (error);
|
|
}
|