# File lib/foreman/engine.rb, line 27 def initialize(options={}) @options = options.dup @options[:formation] ||= "all=1" @options[:timeout] ||= 5 @env = {} @mutex = Mutex.new @names = {} @processes = [] @running = {} @readers = {} @shutdown = false # Self-pipe for deferred signal-handling (ala djb: http://cr.yp.to/docs/selfpipe.html) reader, writer = create_pipe reader.close_on_exec = true if reader.respond_to?(:close_on_exec) writer.close_on_exec = true if writer.respond_to?(:close_on_exec) @selfpipe = { :reader => reader, :writer => writer } # Set up a global signal queue # http://blog.rubybestpractices.com/posts/ewong/016-Implementing-Signal-Handlers.html Thread.main[:signal_queue] = [] end