From efdcb3c837c8fac0c90be7f794a379c4b808147b Mon Sep 17 00:00:00 2001
From: Eugene Burmako <xeno.by@gmail.com>
Date: Sat, 26 Jan 2013 17:11:13 +0100
Subject: synchronizes toolboxes

We don't guarantee thread-safety of the front end, but everything else
looks good now.
---
 src/compiler/scala/tools/reflect/ToolBoxFactory.scala | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/compiler')

diff --git a/src/compiler/scala/tools/reflect/ToolBoxFactory.scala b/src/compiler/scala/tools/reflect/ToolBoxFactory.scala
index fdc2613810..09f795a840 100644
--- a/src/compiler/scala/tools/reflect/ToolBoxFactory.scala
+++ b/src/compiler/scala/tools/reflect/ToolBoxFactory.scala
@@ -340,7 +340,8 @@ abstract class ToolBoxFactory[U <: JavaUniverse](val u: U) { factorySelf =>
         lazy val exporter = importer.reverse
       }
 
-      def apply[T](f: CompilerApi => T): T = {
+      private val toolBoxLock = new Object
+      def apply[T](f: CompilerApi => T): T = toolBoxLock.synchronized {
         try f(api)
         catch { case ex: FatalError => throw ToolBoxError(s"fatal compiler error", ex) }
         finally api.compiler.cleanupCaches()
-- 
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