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-rw-r--r--lib/rainbows/fiber/rev/heartbeat.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/rainbows/fiber/rev/heartbeat.rb b/lib/rainbows/fiber/rev/heartbeat.rb
new file mode 100644
index 0000000..9411b4a
--- /dev/null
+++ b/lib/rainbows/fiber/rev/heartbeat.rb
@@ -0,0 +1,8 @@
+# -*- encoding: binary -*-
+# :enddoc:
+class Rainbows::Fiber::Rev::Heartbeat < Rev::TimerWatcher
+  G = Rainbows::G
+  def on_timer
+    exit if (! G.tick && G.cur <= 0)
+  end
+end