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-'\" t
-.\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl)
-.\"
-.\" SPDX-License-Identifier: GPL-2.0-or-later
-.\"
-.TH aio_return 3 (date) "Linux man-pages (unreleased)"
-.SH NAME
-aio_return \- get return status of asynchronous I/O operation
-.SH LIBRARY
-Real-time library
-.RI ( librt ", " \-lrt )
-.SH SYNOPSIS
-.nf
-.B "#include <aio.h>"
-.P
-.BI "ssize_t aio_return(struct aiocb *" aiocbp );
-.fi
-.SH DESCRIPTION
-The
-.BR aio_return ()
-function returns the final return status for the asynchronous I/O request
-with control block pointed to by
-.IR aiocbp .
-(See
-.BR aio (7)
-for a description of the
-.I aiocb
-structure.)
-.P
-This function should be called only once for any given request, after
-.BR aio_error (3)
-returns something other than
-.BR EINPROGRESS .
-.SH RETURN VALUE
-If the asynchronous I/O operation has completed, this function returns
-the value that would have been returned in case of a synchronous
-.BR read (2),
-.BR write (2),
-.BR fsync (2),
-or
-.BR fdatasync (2),
-call.
-On error, \-1 is returned, and \fIerrno\fP is set to indicate the error.
-.P
-If the asynchronous I/O operation has not yet completed,
-the return value and effect of
-.BR aio_return ()
-are undefined.
-.SH ERRORS
-.TP
-.B EINVAL
-.I aiocbp
-does not point at a control block for an asynchronous I/O request
-of which the return status has not been retrieved yet.
-.TP
-.B ENOSYS
-.BR aio_return ()
-is not implemented.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.na
-.nh
-.BR aio_return ()
-T} Thread safety MT-Safe
-.TE
-.SH STANDARDS
-POSIX.1-2008.
-.SH HISTORY
-glibc 2.1.
-POSIX.1-2001.
-.SH EXAMPLES
-See
-.BR aio (7).
-.SH SEE ALSO
-.BR aio_cancel (3),
-.BR aio_error (3),
-.BR aio_fsync (3),
-.BR aio_read (3),
-.BR aio_suspend (3),
-.BR aio_write (3),
-.BR lio_listio (3),
-.BR aio (7)