def signal(sock, status):
"""Send a signal over a socket. A signal is a short message carrying a
success/failure code (by convention, 0 means OK). Signals are encoded
to be distinguishable from "normal" messages. Accepts a zock_t or a
zactor_t argument, and returns 0 if successful, -1 if the signal could
not be sent."""
return C.zsock_signal(sock, status)
