From 78fb61a1fa3403bcaf616c5794f2ef764db3fd66 Mon Sep 17 00:00:00 2001
From: Jeremy Kemper <jeremy@bitsweat.net>
Date: Tue, 13 Nov 2007 00:54:57 +0000
Subject: [PATCH] FastCGI handler ignores unsupported signals like USR2 on
 Windows [Grzegorz Derebecki]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8132 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 railties/CHANGELOG           | 2 ++
 railties/lib/fcgi_handler.rb | 7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/railties/CHANGELOG b/railties/CHANGELOG
index c3817d3d638..87805fd1e7e 100644
--- a/railties/CHANGELOG
+++ b/railties/CHANGELOG
@@ -1,5 +1,7 @@
 *SVN*
 
+* FastCGI handler ignores unsupported signals like USR2 on Windows.  [Grzegorz Derebecki]
+
 * Only load ActionMailer::TestCase if ActionMailer is loaded.  Closes #10137 [defunkt]
 
 * Fixed that db:reset would use migrations instead of loading db/schema.rb [DHH]
diff --git a/railties/lib/fcgi_handler.rb b/railties/lib/fcgi_handler.rb
index 2b0d7b19167..a644161e7fb 100644
--- a/railties/lib/fcgi_handler.rb
+++ b/railties/lib/fcgi_handler.rb
@@ -133,7 +133,12 @@ class RailsFCGIHandler
     def install_signal_handler(signal, handler = nil)
       if SIGNALS.include?(signal) && self.class.method_defined?(name = "#{SIGNALS[signal]}_handler")
         handler ||= method(name).to_proc
-        trap(signal, handler)
+
+        begin
+          trap(signal, handler)
+        rescue ArgumentError
+          dispatcher_log :warn, "Ignoring unsupported signal #{signal}."
+        end
       else
         dispatcher_log :warn, "Ignoring unsupported signal #{signal}."
       end