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author | Eric Wong <normalperson@yhbt.net> | 2013-08-24 09:54:45 +0000 |
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committer | Eric Wong <normalperson@yhbt.net> | 2013-08-24 09:54:45 +0000 |
commit | 3e09ac0c10c95bb24a08af62393b4f761e2743d0 (patch) | |
tree | 778dffa2ba8798503fc047db0feef6d65426ea22 /lib/dtas/sigevent | |
download | dtas-3e09ac0c10c95bb24a08af62393b4f761e2743d0.tar.gz |
Diffstat (limited to 'lib/dtas/sigevent')
-rw-r--r-- | lib/dtas/sigevent/efd.rb | 21 | ||||
-rw-r--r-- | lib/dtas/sigevent/pipe.rb | 29 |
2 files changed, 50 insertions, 0 deletions
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 <normalperson@yhbt.net> +# 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 <normalperson@yhbt.net> +# 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 |