Class: DTAS::Sigevent

Inherits:
SleepyPenguin::EventFD
  • Object
show all
Defined in:
lib/dtas/sigevent/efd.rb,
lib/dtas/sigevent/pipe.rb,
lib/dtas/sigevent/fiddle_efd.rb

Overview

:nodoc:

Constant Summary collapse

EventFD = 
Fiddle::Function.new(DTAS.libc['eventfd'],
[ Fiddle::TYPE_INT, Fiddle::TYPE_INT ], # initval, flags
Fiddle::TYPE_INT)
ONE = 
-([ 1 ].pack('Q'))

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Sigevent

Returns a new instance of Sigevent.



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# File 'lib/dtas/sigevent/pipe.rb', line 10

def initialize
  @to_io, @wr = IO.pipe
  @rbuf = ''.b
end

Instance Attribute Details

#to_io ⇒ Object (readonly)

:nodoc:



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# File 'lib/dtas/sigevent/pipe.rb', line 8

def to_io
  @to_io
end

Class Method Details

.new ⇒ Object 



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# File 'lib/dtas/sigevent/efd.rb', line 9

def self.new
  super(0, :CLOEXEC)
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/dtas/sigevent/pipe.rb', line 27

def close
  @to_io.close
  @wr.close
end

#readable_iter {|_self, nil| ... } ⇒ Object

Yields:

  • (_self, nil)

Yield Parameters:



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# File 'lib/dtas/sigevent/efd.rb', line 17

def readable_iter
  value(true)
  yield self, nil # calls DTAS::Process.reaper
  :wait_readable
end

#signal ⇒ Object 



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# File 'lib/dtas/sigevent/efd.rb', line 13

def signal
  incr(1)
end