64 lines
1.7 KiB
Text
64 lines
1.7 KiB
Text
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= nng_aio_set_input(3)
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//
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// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
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// Copyright 2018 Capitar IT Group BV <info@capitar.com>
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//
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// This document is supplied under the terms of the MIT License, a
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// copy of which should be located in the distribution where this
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// file was obtained (LICENSE.txt). A copy of the license may also be
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// found online at https://opensource.org/licenses/MIT.
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//
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== NAME
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nng_aio_set_input - set input parameter
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== SYNOPSIS
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[source, c]
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----
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#include <nng/nng.h>
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void nng_aio_set_input(nng_aio *aio, unsigned int index, void *param);
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----
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== DESCRIPTION
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The `nng_aio_set_input()` function sets the input parameter at _index_
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to _param_ for the asynchronous operation associated with _aio_.
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The type and semantics of input parameters are determined by specific
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operations; the caller must supply appropriate inputs for the operation
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to be performed.
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The valid values of _index_ range from zero (0) to three (3), as no operation
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currently defined can accept more than four parameters.
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(This limit could increase in the future.)
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NOTE: If the _index_ does not correspond to a defined input for the operation,
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then this function will have no effect.
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IMPORTANT: It is an error to call this function while the _aio_ is currently
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in use by an active asynchronous operation.
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An input parameter set with this function may be retrieved later with
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the xref:nng_aio_get_input.3.adoc[`nng_aio_get_input()`] function.
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== RETURN VALUES
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None.
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== ERRORS
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None.
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== SEE ALSO
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[.text-left]
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xref:nng_aio_alloc.3.adoc[nng_aio_alloc(3)],
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xref:nng_aio_get_input.3.adoc[nng_aio_get_input(3)],
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xref:nng_aio_get_output.3.adoc[nng_aio_get_output(3)],
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xref:nng_aio_result.3.adoc[nng_aio_result(3)],
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xref:nng_aio.5.adoc[nng_aio(5)],
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xref:nng.7.adoc[nng(7)]
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