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This documentation is for version v1.0.0 of nng, but the latest released version is v1.7.3. see the documentation for v1.7.3 for the most up-to-date information.
nng_close(3)

SYNOPSIS

#include <nng/nng.h>

int nng_close(nng_socket s);

DESCRIPTION

The nng_close() function closes the supplied socket, s. Messages that have been submitted for sending may be flushed or delivered, depending upon the transport and the setting of the NNG_OPT_LINGER option.

Further attempts to use the socket after this call returns will result in NNG_ECLOSED. Threads waiting for operations on the socket when this call is executed may also return with an NNG_ECLOSED result.

RETURN VALUES

This function returns 0 on success, and non-zero otherwise.

ERRORS

NNG_ECLOSED

The socket s is already closed or was never opened.

NNG Reference Manual vv1.0.0 © 2019 Staysail Systems, Inc, © 2018 Capitar IT Group BV
This document is supplied under the MIT License.
nanomsg™ and nng™ are trademarks of Garrett D'Amore.