lib/logging/appenders/string_io.rb in logging-2.2.2 vs lib/logging/appenders/string_io.rb in logging-2.3.0

@@ -60,10 +60,10 @@
     alias_method :reset, :clear
 
     %w[read readline readlines].each do|m|
       class_eval <<-CODE, __FILE__, __LINE__+1
         def #{m}( *args )
-          sync {
+          @mutex.synchronize {
             begin
               @sio.seek @pos
               rv = @sio.#{m}(*args)
               @pos = @sio.tell
               rv