Contents

$stdout.sync = $stderr.sync = true
$stdin.binmode
$stdout.binmode
$stderr.binmode

require 'navy'

module Navy::Ship

  extend self

  def launch!(options)
    # cfg = Mule::Configurator
    $stdin.reopen("/dev/null")

    # We only start a new process group if we're not being reexecuted
    # and inheriting file descriptors from our parent
    unless ENV['NAVY_FD']
      # grandparent - reads pipe, exits when master is ready
      #  \_ parent  - exits immediately ASAP
      #      \_ unicorn master - writes to pipe when ready

      rd, wr = IO.pipe
      grandparent = $$
      if fork
        wr.close # grandparent does not write
      else
        rd.close # unicorn master does not read
        Process.setsid
        exit if fork # parent dies now
      end

      if grandparent == $$
        # this will block until HttpServer#join runs (or it dies)
        admiral_pid = (rd.readpartial(16) rescue nil).to_i
        unless admiral_pid > 1
          warn "admiral failed to start, check stderr log for details"
          exit!(1)
        end
        exit 0
      else # unicorn master process
        options[:ready_pipe] = wr
      end
    end
    # $stderr/$stderr can/will be redirected separately in the Unicorn config
    # cfg::DEFAULTS[:stderr_path] ||= "/dev/null"
    # cfg::DEFAULTS[:stdout_path] ||= "/dev/null"
    # cfg::SERVER[:daemonized] = true
  end

end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
navy-1.0.2	lib/navy/ship.rb
navy-1.0.1	lib/navy/ship.rb
navy-1.0.0	lib/navy/ship.rb
navy-0.0.3	lib/navy/ship.rb
navy-0.0.2	lib/navy/ship.rb
navy-0.0.1	lib/navy/ship.rb