Employ a lock around sending
Employ a lock around sending

Needed because events were entering send code
from both JSC and from socket available event.

slipset/planck,ericstewart/planck,mfikes/planck,mfikes/planck,slipset/planck,slipset/planck,mnespor/planck,slipset/planck,ericstewart/planck,mfikes/planck,slipset/planck,mnespor/planck,mfikes/planck,ericstewart/planck,mfikes/planck,mfikes/planck,mnespor/planck