Method: Puma::DSL#io_selector_backend

Defined in:
lib/puma/dsl.rb

#io_selector_backend(backend) ⇒ Object

Specify the backend for the IO selector.

Provided values will be passed directly to NIO::Selector.new, with the exception of :auto which will let nio4r choose the backend.

Check the documentation of NIO::Selector.backends for the list of valid options. Note that the available options on your system will depend on the operating system. If you want to use the pure Ruby backend (not recommended due to its comparatively low performance), set environment variable NIO4R_PURE to true.

The default is :auto.

See Also:



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# File 'lib/puma/dsl.rb', line 1459

def io_selector_backend(backend)
  @options[:io_selector_backend] = backend.to_sym
end