From 3e09ac0c10c95bb24a08af62393b4f761e2743d0 Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Sat, 24 Aug 2013 09:54:45 +0000 Subject: initial commit --- lib/dtas/sigevent/efd.rb | 21 +++++++++++++++++++++ lib/dtas/sigevent/pipe.rb | 29 +++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+) create mode 100644 lib/dtas/sigevent/efd.rb create mode 100644 lib/dtas/sigevent/pipe.rb (limited to 'lib/dtas/sigevent') diff --git a/lib/dtas/sigevent/efd.rb b/lib/dtas/sigevent/efd.rb new file mode 100644 index 0000000..782e383 --- /dev/null +++ b/lib/dtas/sigevent/efd.rb @@ -0,0 +1,21 @@ +# -*- encoding: binary -*- +# :stopdoc: +# Copyright (C) 2013, Eric Wong +# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt) +class DTAS::Sigevent < SleepyPenguin::EventFD + include SleepyPenguin + + def self.new + super(0, EventFD::CLOEXEC) + end + + def signal + incr(1) + end + + def readable_iter + value(true) + yield self, nil # calls DTAS::Process.reaper + :wait_readable + end +end diff --git a/lib/dtas/sigevent/pipe.rb b/lib/dtas/sigevent/pipe.rb new file mode 100644 index 0000000..139aa68 --- /dev/null +++ b/lib/dtas/sigevent/pipe.rb @@ -0,0 +1,29 @@ +# -*- encoding: binary -*- +# :stopdoc: +# Copyright (C) 2013, Eric Wong +# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt) +class DTAS::Sigevent + attr_reader :to_io + + def initialize + @to_io, @wr = IO.pipe + end + + def signal + @wr.syswrite('.') rescue nil + end + + def readable_iter + begin + @to_io.read_nonblock(11) + yield self, nil # calls DTAS::Process.reaper + rescue Errno::EAGAIN + return :wait_readable + end while true + end + + def close + @to_io.close + @wr.close + end +end -- cgit v1.2.3-24-ge0c7