From 4998964a435fe0f02a2d81b01fdb837214674e72 Mon Sep 17 00:00:00 2001 From: Garrett D'Amore Date: Mon, 30 Apr 2018 21:41:40 -0700 Subject: fixes #381 Want comparators for various types --- docs/man/nng_pipe_id.3.adoc | 50 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 docs/man/nng_pipe_id.3.adoc (limited to 'docs/man/nng_pipe_id.3.adoc') diff --git a/docs/man/nng_pipe_id.3.adoc b/docs/man/nng_pipe_id.3.adoc new file mode 100644 index 00000000..b327dac2 --- /dev/null +++ b/docs/man/nng_pipe_id.3.adoc @@ -0,0 +1,50 @@ += nng_pipe_id(3) +// +// Copyright 2018 Staysail Systems, Inc. +// Copyright 2018 Capitar IT Group BV +// +// 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_pipe_id - return numeric pipe identifier + +== SYNOPSIS + +[source, c] +---- +#include + +int nng_pipe_id(nng_pipe p); +---- + +== DESCRIPTION + +The `nng_pipe_id()` function returns a positive identifier for the pipe _p_, +if it is valid. +Otherwise it returns `-1`. + +NOTE: A pipe is considered valid if it was ever opened with +<> function. +Pipes that are allocated on the stack or statically should be +initialized with the macro +<> to ensure that +they cannot be confused with a valid pipe before they are opened. + +== RETURN VALUES + +This function returns the positive value for the pipe identifier, or +`-1` if the pipe is invalid. + +== ERRORS + +None. + +== SEE ALSO + +<>, +<> -- cgit v1.2.3-70-g09d2