Contents

module Bixby
  module Signal

    # Helper for trapping signals and handling them via a dedicated thread
    #
    # @param [String] *signals         Signals to trap either as a space-separate string or array
    # @param [Block] block             Callback when signal is trapped
    #
    # @return [Thread]
    def self.trap(*signals, &block)
      sigs = signals.flatten.map{ |s| s.split(/[\s,]/) }.flatten.sort.uniq

      trap_r, trap_w = IO.pipe
      sigs.each do |sig|
        Kernel.trap(sig) do
          trap_w.puts(sig)
        end
      end

      # handle signals from a dedicated thread
      Thread.new do
        while true
          sig = trap_r.readline.strip
          Thread.new do
            block.call(sig)
          end
        end
      end

    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
bixby-common-0.6.1	lib/bixby-common/util/signal.rb