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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/aio_return.3 | |
parent | Initial commit. (diff) | |
download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/aio_return.3')
-rw-r--r-- | man3/aio_return.3 | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/man3/aio_return.3 b/man3/aio_return.3 new file mode 100644 index 0000000..c0d14a6 --- /dev/null +++ b/man3/aio_return.3 @@ -0,0 +1,90 @@ +'\" t +.\" Copyright (c) 2003 Andries Brouwer (aeb@cwi.nl) +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.TH aio_return 3 2023-07-20 "Linux man-pages 6.05.01" +.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>" +.PP +.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.) +.PP +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. +.PP +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 +.sp 1 +.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) |