Cryptophobia

#!/bin/bash

# This script gracefully stops resque workers by issuing the USR2 
# signal to the resque-pool manager and then waits for the workers 
# to be paused before exiting. Resque-pool master process relays 
# the USR2 signal to the children.
# 
# For reference: 
# (1) https://github.com/nevans/resque-pool#signals
# (2) https://github.com/resque/resque/blob/master/lib/resque/worker.rb#L376-L378