Shutdown hook modification.

Don't mark shutdown hooks as daemon threads, although it does not seem
to make any difference. Instead have the code which waits for all
threads to be complete be smarted about which codes to monitor. No
review.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/library/scala/sys/ShutdownHookThread.scala b/src/library/scala/sys/ShutdownHookThread.scala
index 9a4979cd07..018b71aefa 100644
--- a/src/library/scala/sys/ShutdownHookThread.scala
+++ b/src/library/scala/sys/ShutdownHookThread.scala
@@ -32,7 +32,6 @@ object ShutdownHookThread {
     val t = new ShutdownHookThread(hookName()) {
       override def run() = body
     }
-    t setDaemon true
     runtime addShutdownHook t
     t
   }