Class: IO

Inherits:
Object show all
Defined in:
lib/puppet/external/event-loop/event-loop.rb,
lib/puppet/util/monkey_patches.rb

Instance Method Summary collapse

Instance Method Details

#lines(separator = $/) ⇒ Object 



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# File 'lib/puppet/util/monkey_patches.rb', line 127

def lines(separator = $/)
  lines = split(separator)
  block_given? and lines.each {|line| yield line }
  lines
end

#on_exceptional(&block) ⇒ Object 



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# File 'lib/puppet/external/event-loop/event-loop.rb', line 233

def on_exceptional &block
  extend EventLoop::Watchable::Automatic
  on_exceptional(&block)
end

#on_readable(&block) ⇒ Object 



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# File 'lib/puppet/external/event-loop/event-loop.rb', line 223

def on_readable &block
  extend EventLoop::Watchable::Automatic
  on_readable(&block)
end

#on_writable(&block) ⇒ Object 



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# File 'lib/puppet/external/event-loop/event-loop.rb', line 228

def on_writable &block
  extend EventLoop::Watchable::Automatic
  on_writable(&block)
end

#will_block=(wants_blocking) ⇒ Object 



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# File 'lib/puppet/external/event-loop/event-loop.rb', line 244

def will_block= (wants_blocking)
  if respond_to?(:fcntl) and defined?(Fcntl) and defined?(Fcntl::F_GETFL) and defined?(Fcntl::O_NONBLOCK)
    flags = fcntl(Fcntl::F_GETFL, 0)
    if wants_blocking
      flags &= ~Fcntl::O_NONBLOCK
    else
      flags |= Fcntl::O_NONBLOCK
    end
    fcntl(Fcntl::F_SETFL, flags)
  end
end

#will_block? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppet/external/event-loop/event-loop.rb', line 238

def will_block?
  if respond_to?(:fcntl) and defined?(Fcntl) and defined?(Fcntl::F_GETFL) and defined?(Fcntl::O_NONBLOCK)
    fcntl(Fcntl::F_GETFL, 0) & Fcntl::O_NONBLOCK == 0
  end
end