From 262ad7228ad146749d8337a682e8486d38df76c2 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Wed, 14 May 2014 20:05:55 +0000
Subject: warn about premature grandparent death on daemonization

This may cause failures if some process nukes the grandparent
too soon.
---
 lib/zbatery.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/zbatery.rb b/lib/zbatery.rb
index 65c9d0c..a4d20e0 100644
--- a/lib/zbatery.rb
+++ b/lib/zbatery.rb
@@ -92,7 +92,11 @@ module Rainbows
       end
 
       if ready_pipe
-        ready_pipe.syswrite($$.to_s)
+        begin
+          ready_pipe.syswrite($$.to_s)
+        rescue => e
+          logger.warn("grandparent died too soon?: #{e.message} (#{e.class})")
+        end
         ready_pipe.close
         self.ready_pipe = nil
       end
-- 
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