ZMQ_CTX_GET(3) 0MQ Manual ZMQ_CTX_GET(3)NAMEzmq_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.
ZMQ_MAX_SOCKETS: Get maximum number of sockets
The ZMQ_MAX_SOCKETS argument returns the maximum number of sockets
allowed for this context.
ZMQ_IPV6: Set IPv6 option
The ZMQ_IPV6 argument returns the IPv6 option for the context.
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 ();
zmq_ctx_set (context, ZMQ_MAX_SOCKETS, 256);
int max_sockets = zmq_ctx_get (context, ZMQ_MAX_SOCKETS);
assert (max_sockets == 256);
SEE ALSOzmq_ctx_set(3)zmq(7)AUTHORS
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0MQ 4.0.1 03/10/2014 ZMQ_CTX_GET(3)