ZMQ_DISCONNECT(3) 0MQ Manual ZMQ_DISCONNECT(3)
NAME
zmq_disconnect - Disconnect a socket from an endpoint
SYNOPSIS
int zmq_disconnect (void *socket, const char *endpoint);
DESCRIPTION
The zmq_disconnect() function shall disconnect a socket specified by
the socket argument from the endpoint specified by the endpoint
argument. Note the actual disconnect system call might occur at a later
time.
Upon disconnection the will also stop receiving messages originating
from this endpoint. Moreover, the socket will no longuer be able to
queue outgoing messages to this endpoint. The outgoing message queue
associated with the endpoint will be discarded. However, if the
socket’s linger period is non-zero, libzmq will still attempt to
transmit these discarded messages, until the linger period expires.
The endpoint argument is as described in zmq_connect(3)
Note
The default setting of ZMQ_LINGER does not discard unsent messages;
this behaviour may cause the application to block when calling
zmq_ctx_term(). For details refer to zmq_setsockopt(3) and
zmq_ctx_term(3).
RETURN VALUE
The zmq_disconnect() function shall return zero if successful.
Otherwise it shall return -1 and set errno to one of the values defined
below.
ERRORS
EINVAL
The endpoint supplied is invalid.
ETERM
The 0MQ context associated with the specified socket was
terminated.
ENOTSOCK
The provided socket was invalid.
ENOENT
The provided endpoint is not in use by the socket.
EXAMPLE
Connecting a subscriber socket to an in-process and a TCP transport.
/* Create a ZMQ_SUB socket */
void *socket = zmq_socket (context, ZMQ_SUB);
assert (socket);
/* Connect it to the host server001, port 5555 using a TCP transport */
rc = zmq_connect (socket, "tcp://server001:5555");
assert (rc == 0);
/* Disconnect from the previously connected endpoint */
rc = zmq_disconnect (socket, "tcp://server001:5555");
assert (rc == 0);
SEE ALSO
zmq_connect(3) zmq_socket(3) zmq(7)
AUTHORS
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0MQ 4.3.4 01/18/2023 ZMQ_DISCONNECT(3)
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