aio_fsync — asynchronous file synchronization
#include <aio.h>
int
aio_fsync( |
int | op, |
struct aiocb * | aiocbp) ; |
The aio_fsync
() function
does a sync on all outstanding asynchronous I/O operations
associated with aiocbp−>aio_fildes
.
More precisely, if op
is O_SYNC
, then all currently queued I/O
operations shall be completed as if by a call of fsync(2), and if op
is O_DSYNC
, this call is the asynchronous
analog of fdatasync(2). Note that
this is a request only — this call does not wait for
I/O completion.
Apart from aio_fildes
the
only field in the structure pointed to by aiocbp
that is used by this
call is the aio_sigevent
field
(a struct sigevent)
that indicates the desired type of asynchronous notification
at completion. All other fields are ignored.
On success (the sync request was successfully queued) this
function returns 0. On error −1 is returned, and
errno
is set appropriately.
Out of resources.
aio_fildes
is not a
valid file descriptor open for writing.
No synchronized I/O for this file is supported, or
op
is not
O_SYNC
or O_DSYNC
.
This page is part of release 2.79 of the Linux man-pages
project. A
description of the project, and information about reporting
bugs, can be found at
http://www.kernel.org/doc/man-pages/.
Copyright (c) 2003 Andries Brouwer (aebcwi.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. |