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require 'thread'
# This thread inspects directories
module Scheduler
extend self
UPDATE_SIGNAL = 31
PRIORITY = -1
def reset()
@scheduled = []
@active = false
@thread ||= Thread.new do
if EVIL
Thread.current.priority = PRIORITY
while true
Thread.stop
manage unless @scheduled.empty? or !@active
end
else
while true
sleep 0.1
manage unless @scheduled.empty? or !@active
end
end
end
end
def run
@active = true
end
def stop
@active = false
end
def <<(dir)
dir.scheduled = true
unless @scheduled.include? dir
@scheduled << dir
if EVIL
@thread.run
end
end
end
private
def manage
while dir = @scheduled.shift
dir.refresh(true)
dir.resize
force_update
end
end
def force_update
Process.kill( UPDATE_SIGNAL, PID )
end
end
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