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Diffstat (limited to 'lib/libc/sys/aio_error.2')
-rw-r--r-- | lib/libc/sys/aio_error.2 | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/lib/libc/sys/aio_error.2 b/lib/libc/sys/aio_error.2 new file mode 100644 index 0000000..f63a2dd --- /dev/null +++ b/lib/libc/sys/aio_error.2 @@ -0,0 +1,101 @@ +.\" Copyright (c) 1999 Softweyr LLC. +.\" 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. +.\" +.\" THIS SOFTWARE IS PROVIDED BY Softweyr LLC 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 Softweyr LLC 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. +.\" +.\" $FreeBSD$ +.\" +.Dd June 2, 1999 +.Dt AIO_ERROR 2 +.Os +.Sh NAME +.Nm aio_error +.Nd retrieve error status of asynchronous I/O operation (REALTIME) +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In aio.h +.Ft int +.Fn aio_error "const struct aiocb *iocb" +.Sh DESCRIPTION +The +.Fn aio_error +system call returns the error status of the asynchronous I/O request +associated with the structure pointed to by +.Fa iocb . +.Sh RETURN VALUES +If the asynchronous I/O request has completed successfully, +.Fn aio_error +returns 0. +If the request has not yet completed, +.Er EINPROGRESS +is returned. +If the request has completed unsuccessfully the error +status is returned as described in +.Xr read 2 , +.Xr write 2 , +or +.Xr fsync 2 . +On failure, +.Fn aio_error +returns +.Dv -1 +and sets +.Dv errno +to indicate the error condition. +.Sh ERRORS +The +.Fn aio_error +system call will fail if: +.Bl -tag -width Er +.It Bq Er EINVAL +The +.Fa iocb +argument +does not reference an outstanding asynchronous I/O request. +.El +.Sh SEE ALSO +.Xr aio_cancel 2 , +.Xr aio_read 2 , +.Xr aio_return 2 , +.Xr aio_suspend 2 , +.Xr aio_write 2 , +.Xr fsync 2 , +.Xr read 2 , +.Xr write 2 , +.Xr aio 4 +.Sh STANDARDS +The +.Fn aio_error +system call +is expected to conform to the +.St -p1003.1 +standard. +.Sh HISTORY +The +.Fn aio_error +system call first appeared in +.Fx 3.0 . +.Sh AUTHORS +This +manual page was written by +.An Wes Peters Aq wes@softweyr.com . |