1*06cb1c3fSKonstantin Belousov /*- 2*06cb1c3fSKonstantin Belousov * SPDX-License-Identifier: BSD-2-Clause 3*06cb1c3fSKonstantin Belousov * 4*06cb1c3fSKonstantin Belousov * Copyright (c) 2024 The FreeBSD Foundation 5*06cb1c3fSKonstantin Belousov * 6*06cb1c3fSKonstantin Belousov * This software were developed by Konstantin Belousov <kib@FreeBSD.org> 7*06cb1c3fSKonstantin Belousov * under sponsorship from the FreeBSD Foundation. 8*06cb1c3fSKonstantin Belousov * 9*06cb1c3fSKonstantin Belousov * Redistribution and use in source and binary forms, with or without 10*06cb1c3fSKonstantin Belousov * modification, are permitted provided that the following conditions 11*06cb1c3fSKonstantin Belousov * are met: 12*06cb1c3fSKonstantin Belousov * 1. Redistributions of source code must retain the above copyright 13*06cb1c3fSKonstantin Belousov * notice, this list of conditions and the following disclaimer. 14*06cb1c3fSKonstantin Belousov * 2. Redistributions in binary form must reproduce the above copyright 15*06cb1c3fSKonstantin Belousov * notice, this list of conditions and the following disclaimer in the 16*06cb1c3fSKonstantin Belousov * documentation and/or other materials provided with the distribution. 17*06cb1c3fSKonstantin Belousov * 18*06cb1c3fSKonstantin Belousov * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19*06cb1c3fSKonstantin Belousov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20*06cb1c3fSKonstantin Belousov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21*06cb1c3fSKonstantin Belousov * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22*06cb1c3fSKonstantin Belousov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23*06cb1c3fSKonstantin Belousov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24*06cb1c3fSKonstantin Belousov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25*06cb1c3fSKonstantin Belousov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26*06cb1c3fSKonstantin Belousov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27*06cb1c3fSKonstantin Belousov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28*06cb1c3fSKonstantin Belousov * SUCH DAMAGE. 29*06cb1c3fSKonstantin Belousov */ 30*06cb1c3fSKonstantin Belousov 31*06cb1c3fSKonstantin Belousov #include <sys/aio.h> 32*06cb1c3fSKonstantin Belousov #include <errno.h> 33*06cb1c3fSKonstantin Belousov #include <stddef.h> 34*06cb1c3fSKonstantin Belousov 35*06cb1c3fSKonstantin Belousov int 36*06cb1c3fSKonstantin Belousov aio_read2(struct aiocb *iocb, int flags) 37*06cb1c3fSKonstantin Belousov { 38*06cb1c3fSKonstantin Belousov int error; 39*06cb1c3fSKonstantin Belousov 40*06cb1c3fSKonstantin Belousov if ((flags & ~(AIO_OP2_FOFFSET)) != 0) { 41*06cb1c3fSKonstantin Belousov errno = EINVAL; 42*06cb1c3fSKonstantin Belousov return (-1); 43*06cb1c3fSKonstantin Belousov } 44*06cb1c3fSKonstantin Belousov iocb->aio_lio_opcode = LIO_READ; 45*06cb1c3fSKonstantin Belousov if ((flags & AIO_OP2_FOFFSET) != 0) 46*06cb1c3fSKonstantin Belousov iocb->aio_lio_opcode |= LIO_FOFFSET; 47*06cb1c3fSKonstantin Belousov 48*06cb1c3fSKonstantin Belousov error = lio_listio(LIO_NOWAIT, &iocb, 1, NULL); 49*06cb1c3fSKonstantin Belousov if (error == -1 && errno == EIO) { 50*06cb1c3fSKonstantin Belousov error = aio_error(iocb); 51*06cb1c3fSKonstantin Belousov if (error != -1 && error != 0) 52*06cb1c3fSKonstantin Belousov errno = error; 53*06cb1c3fSKonstantin Belousov error = -1; 54*06cb1c3fSKonstantin Belousov } 55*06cb1c3fSKonstantin Belousov return (error); 56*06cb1c3fSKonstantin Belousov } 57