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-rw-r--r--win/tclWin32Dll.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/win/tclWin32Dll.c b/win/tclWin32Dll.c
index dc497f4..b6e1c06 100644
--- a/win/tclWin32Dll.c
+++ b/win/tclWin32Dll.c
@@ -9,7 +9,7 @@
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclWin32Dll.c,v 1.28 2003/10/13 16:48:07 vincentdarley Exp $
+ * RCS: @(#) $Id: tclWin32Dll.c,v 1.29 2003/12/21 21:58:43 davygrvy Exp $
*/
#include "tclWinInt.h"
@@ -232,6 +232,9 @@ DllEntryPoint(hInst, reason, reserved)
*
* Side effects:
* Establishes 32-to-16 bit thunk and initializes sockets library.
+ * This might call some sycronization functions, but MSDN
+ * documentation states: "Waiting on synchronization objects in
+ * DllMain can cause a deadlock."
*
*----------------------------------------------------------------------
*/
@@ -247,8 +250,16 @@ DllMain(hInst, reason, reserved)
return TRUE;
case DLL_PROCESS_DETACH:
- if (hInst == hInstance) {
- Tcl_Finalize();
+ /*
+ * Protect the call to Tcl_Finalize. The OS could be unloading
+ * us from an exception handler and the state of the stack might
+ * be unstable.
+ */
+
+ __try {
+ Tcl_Finalize();
+ } __except (EXCEPTION_EXECUTE_HANDLER) {
+ /* empty handler body. */
}
break;
}