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-rw-r--r--ChangeLog4
-rw-r--r--generic/tclAsync.c10
2 files changed, 13 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index d0782c9..b1b5f59 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,10 @@
to locate handler token fails. Happens when some other
thread attempts to delete somebody else's token.
+ Also, panic early if we find out the wrong thread attempting
+ to delete the async handler (common trap). As, only the one
+ that created the handler is allowed to delete it.
+
2008-04-17 Andreas Kupries <andreask@activestate.com>
*** 8.4.19 TAGGED FOR RELEASE ***
diff --git a/generic/tclAsync.c b/generic/tclAsync.c
index f036b47..9a78c8f 100644
--- a/generic/tclAsync.c
+++ b/generic/tclAsync.c
@@ -12,7 +12,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclAsync.c,v 1.6.12.2 2008/04/26 11:37:47 vasiljevic Exp $
+ * RCS: @(#) $Id: tclAsync.c,v 1.6.12.3 2008/04/27 08:18:13 vasiljevic Exp $
*/
#include "tclInt.h"
@@ -294,6 +294,14 @@ Tcl_AsyncDelete(async)
AsyncHandler *prevPtr, *thisPtr;
/*
+ * Assure early handling of the constraint
+ */
+
+ if (asyncPtr->originThrdId != Tcl_GetCurrentThread()) {
+ panic("Tcl_AsyncDelete: async handler deleted by the wrong thread");
+ }
+
+ /*
* If we come to this point when TSD's for the current
* thread have already been garbage-collected, we are
* in the _serious_ trouble. OTOH, we tolerate calling