nng_pair_open3
Create pair socket
Usage
Version 0
#include <nng/protocol/pair0/pair.h> int nng_pair0_open(nng_socket *s); int nng_pair0_open_raw(nng_socket *s);
Version 1
#include <nng/protocol/pair1/pair.h> int nng_pair1_open(nng_socket *s); int nng_pair1_open_raw(nng_socket *s); int nng_pair1_open_poly(nng_socktet *s);
Overview
The nng_pair0_open() and nng_pair1_open() functions create a pair version 0 or version 1 socket and return it at the location pointed to by s.
The nng_pair0_open_raw() and nng_pair1_open_raw() functions create a pair version 0 or version 1 socket in raw mode and return it at the location pointed to by s.
The nng_pair1_open_poly() function opens a pair version 1 socket in polyamorous mode.
Note
Polyamorous mode is deprecated and should not be used in new applications. The nng_pair1_open_poly() function will likely be removed in a future release.
Return values
These functions returns 0 on success, and non-zero otherwise.
Errors
NNG_ENOMEM
Insufficient memory is available.
NNG_ENOTSUP
The protocol is not supported.