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ZMQ_INPROC(7) 0MQ Manual ZMQ_INPROC(7)
NAME
zmq_inproc - 0MQ local in-process (inter-thread) communication transport
SYNOPSIS
The in-process transport passes messages via memory directly between threads sharing a single 0MQ context.
Note
No I/O threads are involved in passing messages using the inproc transport. Therefore, if you are using a 0MQ context for in-process
messaging only you can initialise the context with zero I/O threads. See zmq_init(3) for details.
ADDRESSING
A 0MQ address string consists of two parts as follows: transport://endpoint. The transport part specifies the underlying transport protocol
to use, and for the in-process transport shall be set to inproc. The meaning of the endpoint part for the in-process transport is defined
below.
Assigning a local address to a socket
When assigning a local address to a socket using zmq_bind() with the inproc transport, the endpoint shall be interpreted as an arbitrary
string identifying the name to create. The name must be unique within the 0MQ context associated with the socket and may be up to 256
characters in length. No other restrictions are placed on the format of the name.
Connecting a socket
When connecting a socket to a peer address using zmq_connect() with the inproc transport, the endpoint shall be interpreted as an arbitrary
string identifying the name to connect to. The name must have been previously created by assigning it to at least one socket within the
same 0MQ context as the socket being connected.
WIRE FORMAT
Not applicable.
EXAMPLES
Assigning a local address to a socket.
/* Assign the in-process name "#1" */
rc = zmq_bind(socket, "inproc://#1");
assert (rc == 0);
/* Assign the in-process name "my-endpoint" */
rc = zmq_bind(socket, "inproc://my-endpoint");
assert (rc == 0);
Connecting a socket.
/* Connect to the in-process name "#1" */
rc = zmq_connect(socket, "inproc://#1");
assert (rc == 0);
/* Connect to the in-process name "my-endpoint" */
rc = zmq_connect(socket, "inproc://my-endpoint");
assert (rc == 0);
SEE ALSO
zmq_bind(3) zmq_connect(3) zmq_ipc(7) zmq_tcp(7) zmq_pgm(7) zmq(7)
AUTHORS
This manual page was written by the 0MQ community.
0MQ 2.2.0 04/04/2012 ZMQ_INPROC(7)
