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= nng_aio_wait(3)
//
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
//
// This document is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
== 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.3#,nng_aio_abort(3)>>,
<<nng_aio_alloc.3#,nng_aio_alloc(3)>>,
<<nng_aio.5#,nng_aio(5)>>,
<<nng.7#,nng(7)>>
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