Avoid leaking file descriptors and memory for monitored sockets.
Avoid leaking file descriptors and memory for monitored sockets.

interpretor/zeromq.js,interpretor/zeromq.js,lgeiger/zmq-prebuilt,interpretor/zeromq.js,lgeiger/zmq-prebuilt,lgeiger/zmq-prebuilt,interpretor/zeromq.js,interpretor/zeromq.js,lgeiger/zmq-prebuilt,lgeiger/zmq-prebuilt