* lib/irb/ext/multi-irb.rb: fix multi-irb running

parallelly. [ruby-dev:41031] [Bug #3182]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27444 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Thu Apr 22 21:50:17 2010  Keiju Ishitsuka  <keiju@ruby-lang.org>
+
+	* lib/irb/ext/multi-irb.rb: fix multi-irb running
+	  parallelly. [ruby-dev:41031] [Bug #3182]
+
 Thu Apr 22 17:13:34 2010  Eric Hodel  <drbrain@segment7.net>
 
 	* lib/rubygems: Import RubyGems 1.3.7.pre.1 (as 1.3.6.1).

lib/irb/ext/multi-irb.rb

@@ -172,12 +172,14 @@ module IRB
       ensure
 	unless system_exit
 	  @JobManager.delete(irb)
-	  if parent_thread.alive?
-	    @JobManager.current_job = @JobManager.irb(parent_thread)
-	    parent_thread.run
-	  else
-	    @JobManager.current_job = @JobManager.main_irb
-	    @JobManager.main_thread.run
+	  if @JobManager.current_job == irb
+	    if parent_thread.alive?
+	      @JobManager.current_job = @JobManager.irb(parent_thread)
+	      parent_thread.run
+	    else
+	      @JobManager.current_job = @JobManager.main_irb
+	      @JobManager.main_thread.run
+	    end
 	  end
 	end
       end