= nng_aio_wait(3)
:doctype: manpage
:manmanual: nng
:mansource: nng
:manvolnum: 3
:copyright: Copyright 2018 mailto:info@staysail.tech[Staysail Systems, Inc.] + \
            Copyright 2018 mailto:info@capitar.com[Capitar IT Group BV] + \
            {blank} + \
            This document is supplied under the terms of the \
            https://opensource.org/licenses/MIT[MIT License].

== NAME

nng_aio_wait - wait for asynchronous I/O operation

== SYNOPSIS

[source, c]
-----------
#include <nng/nng.h>

void nng_aio_wait(nng_aio *aio);
-----------


== DESCRIPTION

The `nng_aio_wait()` function waits for an asynchronous I/O operation
to complete.  If the operation has not been started, or has already
completed, then it returns immediately.

If the a callback was set with _aio_ when it was allocated, then this
function will not be called until the callback has completed.

== RETURN VALUES

None.

== ERRORS

None.

== SEE ALSO

<<nng_aio_abort#,nng_aio_abort(3)>>,
<<nng_aio_alloc#,nng_aio_alloc(3)>>,
<<nng#,nng(7)>>

== COPYRIGHT

{copyright}