blob 22772eebc606e2c056be2680e15da807807caf09 542 bytes (raw)
name: lib/dtas/sigevent/efd.rb # note: path name is non-authoritative(*)
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| | # Copyright (C) 2013-2016 all contributors <dtas-all@nongnu.org>
# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
# used in various places for safe wakeups from IO.select via signals
# This requires a modern Linux system and the "sleepy_penguin" RubyGem
require 'sleepy_penguin'
class DTAS::Sigevent < SleepyPenguin::EventFD # :nodoc:
def self.new
super(0, :CLOEXEC)
end
def signal
incr(1)
end
def readable_iter
value(true)
yield self, nil # calls DTAS::Process.reaper
:wait_readable
end
end
|
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