Method: Unicorn::HttpServer#start

Defined in:
lib/unicorn/http_server.rb

#start ⇒ Object

Runs the thing. Returns self so you can run join on it



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# File 'lib/unicorn/http_server.rb', line 121

def start
  inherit_listeners!
  # this pipe is used to wake us up from select(2) in #join when signals
  # are trapped.  See trap_deferred.
  @self_pipe.replace(Unicorn.pipe)
  @master_pid = @worker_data ? Process.ppid : $$

  # setup signal handlers before writing pid file in case people get
  # trigger happy and send signals as soon as the pid file exists.
  # Note that signals don't actually get handled until the #join method
  @queue_sigs.each { |sig| trap(sig) { @sig_queue << sig; awaken_master } }
  trap(:CHLD) { awaken_master }

  # write pid early for Mongrel compatibility if we're not inheriting sockets
  # This is needed for compatibility some Monit setups at least.
  # This unfortunately has the side effect of clobbering valid PID if
  # we upgrade and the upgrade breaks during preload_app==true && build_app!
  self.pid = config[:pid]

  build_app! if preload_app
  bind_new_listeners!

  spawn_missing_workers
  self
end