Remove incomplete non-blocking logger functionality

activesupport/lib/active_support/buffered_logger.rb

@@ -39,7 +39,6 @@ module ActiveSupport
       @level         = level
       @buffer        = []
       @auto_flushing = 1
-      @no_block = false
       @guard = Mutex.new
 
       if log.respond_to?(:write)
@@ -55,12 +54,6 @@ module ActiveSupport
       end
     end
 
-    def set_non_blocking_io
-      if !RUBY_PLATFORM.match(/java|mswin/) && !(@log == STDOUT) && @log.respond_to?(:write_nonblock)
-        @no_block = true
-      end
-    end
-
     def add(severity, message = nil, progname = nil, &block)
       return if @level > severity
       message = (message || (block && block.call) || progname).to_s
@@ -105,12 +98,7 @@ module ActiveSupport
         unless buffer.empty?
           old_buffer    = @buffer
           @buffer       = []
-          text_to_write = old_buffer.join
-          if @no_block
-            @log.write_nonblock(text_to_write)
-          else
-            @log.write(text_to_write)
-          end
+          @log.write(old_buffer.join)
         end
       end
     end

railties/lib/initializer.rb

@@ -408,7 +408,6 @@ Run `rake gems:install` to install the missing gems.
           logger.level = ActiveSupport::BufferedLogger.const_get(configuration.log_level.to_s.upcase)
           if configuration.environment == "production"
             logger.auto_flushing = false
-            logger.set_non_blocking_io
           end
         rescue StandardError => e
           logger = ActiveSupport::BufferedLogger.new(STDERR)