Method: Spring::ApplicationManager#run

Defined in:
lib/spring/application_manager.rb

#run(client) ⇒ Object

Returns the pid of the process running the command, or nil if the application process died.



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# File 'lib/spring/application_manager.rb', line 59

def run(client)
  with_child do
    child.send_io client
    child.gets or raise Errno::EPIPE
  end

  pid = child.gets.to_i

  unless pid.zero?
    log "got worker pid #{pid}"
    pid
  end
rescue Errno::ECONNRESET, Errno::EPIPE => e
  log "#{e} while reading from child; returning no pid"
  nil
ensure
  client.close
end