From 36888441021fbb0ae0cf724dc4e700d316b4d1bd Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Sun, 27 Dec 2009 19:38:39 -0800
Subject: Avoid leaking ready pipe file descriptor to workers

Otherwise the original spawner process may not notice the close
as it's still being shared by workers.  While we're at it, avoid
confusing the original spawner by using readpartial instead of
sysread.
---
 lib/unicorn/launcher.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/unicorn/launcher.rb')

diff --git a/lib/unicorn/launcher.rb b/lib/unicorn/launcher.rb
index 2d6ad97..0ea836b 100644
--- a/lib/unicorn/launcher.rb
+++ b/lib/unicorn/launcher.rb
@@ -42,7 +42,7 @@ class Unicorn::Launcher
 
       if grandparent == $$
         # this will block until HttpServer#join runs (or it dies)
-        master_pid = rd.sysread(16).to_i
+        master_pid = rd.readpartial(16).to_i
         exit!(1) unless master_pid > 1
         exit 0
       else # unicorn master process
-- 
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