logger.rb in semantic_logger-0.8.1

- old
+ new

@@ -47,10 +47,11 @@
       ThreadSafe::Array.new
     end
 
     # Initial default Level for all new instances of SemanticLogger::Logger
     @@default_level = :info
+    @@appender_thread = nil
 
     # Allow for setting the global default log level
     # This change only applies to _new_ loggers, existing logger levels
     # will not be changed in any way
     def self.default_level=(level)
@@ -97,11 +98,11 @@
     end
 
     # Flush all queued log entries disk, database, etc.
     #  All queued log messages are written and then each appender is flushed in turn
     def self.flush
-      return false unless started?
+      return false unless started? && @@appender_thread && @@appender_thread.alive?
 
       reply_queue = Queue.new
       queue << { :command => :flush, :reply_queue => reply_queue }
       reply_queue.pop
     end
@@ -170,10 +171,10 @@
       # This thread is designed to never go down unless the main thread terminates
       # Before terminating at_exit is used to flush all the appenders
       #
       # Should any appender fail to log or flush, the exception is logged and
       # other appenders will still be called
-      Thread.new do
+      @@appender_thread = Thread.new do
         logger.debug "SemanticLogger::Logger Appender thread started"
         begin
           count = 0
           while message = queue.pop
             if message.is_a? Log