Fix [3611974]: InitSubsystems multiple thread issue

2 files changed, 6 insertions, 7 deletions

diff --git a/ChangeLog b/ChangeLog
index f98af14..691db2d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-06-18  Jan Nijtmans  <nijtmans@users.sf.net>
+
+	* generic/tclEvent.c: Bug [3611974]: InitSubsystems multiple thread issue.
+
 2013-06-17  Jan Nijtmans  <nijtmans@users.sf.net>
 
 	* generic/regc_locale.c: Bug [a876646efe]: re_expr character class
diff --git a/generic/tclEvent.c b/generic/tclEvent.c
index c8ba1e6..686b80d 100644
--- a/generic/tclEvent.c
+++ b/generic/tclEvent.c
@@ -1030,14 +1030,8 @@ TclInitSubsystems(void)
 
 	TclpInitLock();
 	if (subsystemsInitialized == 0) {
-	    /*
-	     * Have to set this bit here to avoid deadlock with the routines
-	     * below us that call into TclInitSubsystems.
-	     */
-
-	    subsystemsInitialized = 1;
 
-	    /*
+		/*
 	     * Initialize locks used by the memory allocators before anything
 	     * interesting happens so we can use the allocators in the
 	     * implementation of self-initializing locks.
@@ -1061,6 +1055,7 @@ TclInitSubsystems(void)
 	    TclInitEncodingSubsystem();	/* Process wide encoding init. */
 	    TclpSetInterfaces();
 	    TclInitNamespaceSubsystem();/* Register ns obj type (mutexed). */
+	    subsystemsInitialized = 1;
 	}
 	TclpInitUnlock();
     }