Method: Rev::Loop#initialize

Defined in:
lib/rev/loop.rb,
ext/rev/rev_loop.c

#initialize(options = {}) ⇒ Loop

Create a new Rev::Loop

Options:

:skip_environment (boolean)

Ignore the $LIBEV_FLAGS environment variable

:fork_check (boolean) 

Enable autodetection of forks

:backend

Choose the default backend, one (or many in an array) of:
  :select (most platforms)
  :poll   (most platforms except Windows)
  :epoll  (Linux)
  :kqueue (BSD/Mac OS X)
  :port   (Solaris 10)



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# File 'lib/rev/loop.rb', line 49

def initialize(options = {})
  @watchers = {}
  @active_watchers = 0
  
  flags = 0

  options.each do |option, value|
    case option
    when :skip_environment
      flags |= EVFLAG_NOEV if value
    when :fork_check
      flags |= EVFLAG_FORKCHECK if value
    when :backend
      value = [value] unless value.is_a? Array
      value.each do |backend|
        case backend
        when :select then flags |= EVBACKEND_SELECT
        when :poll   then flags |= EVBACKEND_POLL
        when :epoll  then flags |= EVBACKEND_EPOLL
        when :kqueue then flags |= EVBACKEND_KQUEUE
        when :port   then flags |= EVBACKEND_PORT
        else raise ArgumentError, "no such backend: #{backend}"
        end
      end
    else raise ArgumentError, "no such option: #{option}"
    end
  end

  @loop = ev_loop_new(flags)
end