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-rw-r--r--lib/unicorn.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/unicorn.rb b/lib/unicorn.rb
index d1c7eeb..54e2bc0 100644
--- a/lib/unicorn.rb
+++ b/lib/unicorn.rb
@@ -478,7 +478,7 @@ module Unicorn
       client = nil
 
       # closing anything we IO.select on will raise EBADF
-      trap(:USR1) { nr = -65536; rd.close rescue nil }
+      trap(:USR1) { nr = -65536; SELF_PIPE.first.close rescue nil }
       trap(:QUIT) { alive = nil; LISTENERS.each { |s| s.close rescue nil } }
       [:TERM, :INT].each { |sig| trap(sig) { exit(0) } } # instant shutdown
       @logger.info "worker=#{worker.nr} ready"