2012-03-20 01:41:20 +01:00
|
|
|
zmq_ctx_get(3)
|
|
|
|
|
==============
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
NAME
|
|
|
|
|
----
|
|
|
|
|
|
|
|
|
|
zmq_ctx_get - get context options
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SYNOPSIS
|
|
|
|
|
--------
|
|
|
|
|
*int zmq_ctx_get (void '*context', int 'option_name');*
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
DESCRIPTION
|
|
|
|
|
-----------
|
|
|
|
|
The _zmq_ctx_get()_ function shall return the option specified by the
|
|
|
|
|
'option_name' argument.
|
|
|
|
|
|
|
|
|
|
The _zmq_ctx_get()_ function accepts the following option names:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ZMQ_IO_THREADS: Get number of I/O threads
|
|
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
The 'ZMQ_IO_THREADS' argument returns the size of the 0MQ thread pool
|
|
|
|
|
for this context.
|
|
|
|
|
|
2013-01-31 21:52:30 +01:00
|
|
|
ZMQ_MAX_SOCKETS: Get maximum number of sockets
|
2012-03-20 01:41:20 +01:00
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
The 'ZMQ_MAX_SOCKETS' argument returns the maximum number of sockets
|
|
|
|
|
allowed for this context.
|
|
|
|
|
|
2014-02-14 10:09:19 +01:00
|
|
|
ZMQ_SOCKET_LIMIT: Get largest configurable number of sockets
|
|
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
The 'ZMQ_SOCKET_LIMIT' argument returns the largest number of sockets that
|
|
|
|
|
linkzmq:zmq_ctx_set[3] will accept.
|
2014-02-13 15:54:06 +01:00
|
|
|
|
2013-01-31 21:52:30 +01:00
|
|
|
ZMQ_IPV6: Set IPv6 option
|
|
|
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
|
The 'ZMQ_IPV6' argument returns the IPv6 option for the context.
|
|
|
|
|
|
2012-03-20 01:41:20 +01:00
|
|
|
|
|
|
|
|
RETURN VALUE
|
|
|
|
|
------------
|
|
|
|
|
The _zmq_ctx_get()_ function returns a value of 0 or greater if successful.
|
|
|
|
|
Otherwise it returns `-1` and sets 'errno' to one of the values defined
|
|
|
|
|
below.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ERRORS
|
|
|
|
|
------
|
|
|
|
|
*EINVAL*::
|
|
|
|
|
The requested option _option_name_ is unknown.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
EXAMPLE
|
|
|
|
|
-------
|
|
|
|
|
.Setting a limit on the number of sockets
|
|
|
|
|
----
|
|
|
|
|
void *context = zmq_ctx_new ();
|
2013-10-02 09:59:44 +02:00
|
|
|
zmq_ctx_set (context, ZMQ_MAX_SOCKETS, 256);
|
2012-03-20 01:41:20 +01:00
|
|
|
int max_sockets = zmq_ctx_get (context, ZMQ_MAX_SOCKETS);
|
|
|
|
|
assert (max_sockets == 256);
|
|
|
|
|
----
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
SEE ALSO
|
|
|
|
|
--------
|
|
|
|
|
linkzmq:zmq_ctx_set[3]
|
|
|
|
|
linkzmq:zmq[7]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
AUTHORS
|
|
|
|
|
-------
|
2013-04-11 18:53:02 +02:00
|
|
|
This page was written by the 0MQ community. To make a change please
|
|
|
|
|
read the 0MQ Contribution Policy at <http://www.zeromq.org/docs:contributing>.
|
