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.\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl)
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual is distributed in the hope that it will be useful,
.\" but WITHOUT ANY WARRANTY; without even the implied warranty of
.\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
.\" GNU General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" Japanese Version Copyright (c) 2004 Yuichi SATO
.\" all rights reserved.
.\" Translated Mon Jul 5 00:46:45 JST 2004
.\" by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.TH AIO_READ 3 2003-11-14 "" "Linux Programmer's Manual"
.SH ̾
aio_read \- Ʊɤ߹
.SH
.B "#include <aio.h>"
.sp
.BI "int aio_read(struct aiocb *" aiocbp );
.sp
\fI\-lrt\fP ǥ롣
.SH
.BR aio_read ()
ؿƱ "n = read(fd, buf, count)" ꥯȤ롣
fd, buf, count ϡ줾
.IR aiocbp\->aio_fildes ,
.IR aiocbp\->aio_buf ,
.I aiocbp\->aio_nbytes
Ϳ롣
֤ (return status) n ϡλ
.BR aio_return (3)
ȤäƼǤ롣
.LP
ǡϡȤΥե֤˴طʤХե륪եå
.I aiocbp\->aio_offset
Ȥɤ߹ޤ롣
ΥꥯȸΡȤΥե֤ϵꤵƤʤ
.LP
ƱפȤϡ֥ꥯȤ塼줿顢θƤӽФϤ֤
ȤȤǤ롣
ƤӽФäˡɤ߹ߤϴλƤ뤫Τʤ
λƤʤΤʤ
.BR aio_error (3)
ȤȤǴλƥȤǤ롣
.LP
.B _POSIX_PRIORITIZED_IO
Ƥơ
ĥե뤬ݡȤƤ硢
ƱϸƤӽФץͥ٤
.I aiocbp\->aio_reqprio
ͥ٤Ͽ (submit) 롣
.LP
ե
.I aiocbp\->aio_lio_opcode
̵뤵롣
.LP
祪եåȤĶ̾Υե뤫ϡǡɤ߹ޤʤ
.SH ֤
硢0 ֤롣
顼ξ硢ꥯȤϥ塼줺
\-1 ֤ơ
.I errno
Ŭڤꤵ롣
顼Ϻǽ˸Τ줿ǡ
( \-1 ֤)
.BR aio_return (3)
.RI ( errno
ǼǤ
.B EBADF
Τ褦ʥ顼֤֤)
.BR aio_error (3)
𤵤
.SH 顼
.TP
.B EAGAIN
ʤ
.TP
.B EBADF
.I aio_fildes
ɤ߹ߤΤ˥ץ줿ͭʥեǥץǤʤ
.TP
.B EINVAL
.IR aio_offset ,
.IR aio_reqprio ,
.I aio_nbytes
Τ 1 İʾ夬̵Ǥ롣
.TP
.B ENOSYS
δؿݡȤƤʤ
.TP
.B EOVERFLOW
ե뤬̾ΥեǤꡢ
եνüɤ߹ߤϤơ
ʤȤ 1 ХȤɤ߹⤦Ȥ
ϰ֤Υեκ祪եåȤĶƤ
.SH
POSIX.1-2001.
.SH
Ѥ֥å 0 ˤƤΤϡ褤ͤǤ롣
֥åϡɤ߹ʹԤƤ֤ѹ٤Ǥʤ
ɤ߹ޤХåեΰ
.\" ޤ֥å
κ˥٤ǤϤʤ
ʤȵ̤ˤʤ롣
˴ޤޤΰϡͭʤޤޤˤʤФʤʤ
.SH Ϣ
.BR aio_cancel (3),
.BR aio_error (3),
.BR aio_fsync (3),
.BR aio_return (3),
.BR aio_suspend (3),
.BR aio_write (3)
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