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authorGarrett D'Amore <garrett@damore.org>2024-03-31 10:16:46 -0700
committerGarrett D'Amore <garrett@damore.org>2024-03-31 10:18:28 -0700
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nng_socket_pair
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-= nng_socket_pair(3supp)
-//
-// Copyright 2023 Staysail Systems, Inc. <info@staysail.tech>
-//
-// 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_socket_pair - create a connected pair of BSD sockets
-
-== SYNOPSIS
-
-[source, c]
-----
-#include <nng/nng.h>
-#include <nng/supplemental/util/platform.h>
-
-int nng_socket_pair(int fds[2]);
-----
-
-== DESCRIPTION
-
-The `nng_socket_pair()` function creates a pair of connected BSD sockets.
-These sockets, which are returned in the _fds_ array, are suitable for
-use with the xref:nng_socket.7.adoc[_socket_] transport.
-
-On POSIX platforms, this is a thin wrapper around the standard `socketpair()` function,
-using the `AF_UNIX` family and the `SOCK_STREAM` socket type.
-
-NOTE: At present only POSIX platforms implementing `socketpair()` are supported with this function.
-
-TIP: This function may be useful for creating a shared connection between a parent process and
-a child process on UNIX platforms, without requiring the processes use a shared filesystem or TCP connection.
-
-== RETURN VALUES
-
-This function returns 0 on success, and non-zero otherwise.
-
-== ERRORS
-
-[horizontal]
-`NNG_ENOMEM`:: Insufficient memory exists.
-`NNG_ENOTSUP`:: This platform does not support socket pairs.
-
-== SEE ALSO
-
-[.text-left]
-xref:nng_socket.7.adoc[nng_socket(7)],
-xref:nng.7.adoc[nng(7)]