ruby_compat.rb in net-ssh-net-ssh-2.0.14

- old
+ new

@@ -1,7 +1,35 @@
+require 'thread'
+
 class String
   if RUBY_VERSION < "1.9"
     def getbyte(index)
       self[index]
     end
   end
-end
\ No newline at end of file
+end
+
+module Net; module SSH
+  
+  # This class contains miscellaneous patches and workarounds
+  # for different ruby implementations.
+  class Compat
+    
+    # A workaround for an IO#select threading bug in MRI 1.8.
+    # See: http://net-ssh.lighthouseapp.com/projects/36253/tickets/1-ioselect-threading-bug-in-ruby-18
+    # Also: http://redmine.ruby-lang.org/issues/show/1993
+    if RUBY_VERSION >= '1.9' || RUBY_PLATFORM == 'java'
+      def self.io_select(*params)
+        IO.select(*params)
+      end
+    else
+      SELECT_MUTEX = Mutex.new
+      def self.io_select(*params)
+        SELECT_MUTEX.synchronize do
+          IO.select(*params)
+        end
+      end
+    end
+    
+  end
+  
+end; end