I committed this patch

cvs diff -r R3-14-2_branch:yesterday -wb (in directory C:\hill\R3.14.dll_hell_fix\epics\base\src\libCom\timer\)
Index: timerPrivate.h
===================================================================
RCS file: /net/phoebus/epicsmgr/cvsroot/epics/base/src/libCom/timer/timerPrivate.h,v
retrieving revision 1.30.2.5
retrieving revision 1.30.2.6
diff -u -b -w -b -r1.30.2.5 -r1.30.2.6
--- timerPrivate.h	23 Feb 2009 22:51:50 -0000	1.30.2.5
+++ timerPrivate.h	13 Mar 2009 17:23:06 -0000	1.30.2.6
@@ -8,7 +8,7 @@
 * in file LICENSE that is included with this distribution. 
 \*************************************************************************/
 /*
- *      $Id: timerPrivate.h,v 1.30.2.5 2009/02/23 22:51:50 anj Exp $
+ *      $Id: timerPrivate.h,v 1.30.2.6 2009/03/13 17:23:06 jhill Exp $
  *
  *      Author  Jeffrey O. Hill
  *              <email address hidden>
@@ -18,6 +18,8 @@
 #ifndef epicsTimerPrivate_h
 #define epicsTimerPrivate_h
 
+#include <typeinfo>
+
 #include "tsFreeList.h"
 #include "epicsSingleton.h"
 #include "tsDLList.h"
@@ -86,6 +88,8 @@
     friend class timerQueue;
 };
 
+using std :: type_info;
+
 class timerQueue : public epicsTimerQueue {
 public:
     timerQueue ( epicsTimerQueueNotify &notify );
@@ -103,7 +107,11 @@
     epicsTimerQueueNotify & notify;
     timer * pExpireTmr;
     epicsThreadId processThread;
+    epicsTime exceptMsgTimeStamp;
     bool cancelPending;
+    static const double exceptMsgMinPeriod;
+    void printExceptMsg ( const char * pName, 
+                const type_info & type );
 	timerQueue ( const timerQueue & );
     timerQueue & operator = ( const timerQueue & );
     friend class timer;
Index: timerQueue.cpp
===================================================================
RCS file: /net/phoebus/epicsmgr/cvsroot/epics/base/src/libCom/timer/timerQueue.cpp,v
retrieving revision 1.22.2.1
retrieving revision 1.22.2.2
diff -u -b -w -b -r1.22.2.1 -r1.22.2.2
--- timerQueue.cpp	8 Oct 2004 15:12:19 -0000	1.22.2.1
+++ timerQueue.cpp	13 Mar 2009 17:23:07 -0000	1.22.2.2
@@ -19,12 +19,19 @@
 #define epicsExportSharedSymbols
 #include "epicsGuard.h"
 #include "timerPrivate.h"
+#include "errlog.h"
+
+const double timerQueue :: exceptMsgMinPeriod = 60.0 * 5.0; // seconds
 
 epicsTimerQueue::~epicsTimerQueue () {}
 
 timerQueue::timerQueue ( epicsTimerQueueNotify & notifyIn ) :
-    notify ( notifyIn ), pExpireTmr ( 0 ),  
-    processThread ( 0 ), cancelPending ( false )
+    notify ( notifyIn ), 
+    pExpireTmr ( 0 ),  
+    processThread ( 0 ), 
+    exceptMsgTimeStamp ( 
+        epicsTime :: getCurrent () - exceptMsgMinPeriod ),
+    cancelPending ( false )
 {
 }
 
@@ -36,6 +43,30 @@
     }
 }
 
+void timerQueue ::
+    printExceptMsg ( const char * pName, const type_info & type )
+{
+    epicsTime cur = epicsTime :: getCurrent ();
+    double delay = cur - this->exceptMsgTimeStamp;
+    if ( delay >= exceptMsgMinPeriod ) {
+        this->exceptMsgTimeStamp = cur;
+        char date[64];
+        cur.strftime ( date, sizeof ( date ), 
+                        "%a %b %d %Y %H:%M:%S.%f" );
+        // we dont touch the typeid for the timer expiration
+        // notify interface here because they might have 
+        // destroyed the timer during its callback
+        errlogPrintf ( 
+            "timerQueue: Unexpected C++ exception "%s" "
+            "with type "%s" during timer expiration "
+            "callback at %s\n",
+            pName, 
+            type.name (), 
+            date );
+        errlogFlush ();
+    }
+}
+
 double timerQueue::process ( const epicsTime & currentTime )
 {  
     epicsGuard < epicsMutex > guard ( this->mutex );
@@ -96,9 +127,16 @@
             debugPrintf ( ( "%5u expired "%s" with error %f sec\n", 
                 N++, typeid ( this->pExpireTmr->notify ).name (), 
                 currentTime - this->pExpireTmr->exp ) );
-
+            try {
             expStat = pTmpNotify->expire ( currentTime );
         }
+            catch ( std::exception & except ) {
+                printExceptMsg ( except.what (), typeid ( except ) );
+            }
+            catch ( ... ) {
+                printExceptMsg ( "non-standard exception", typeid ( void ) );
+            }
+        }
 
         //
         // only restart if they didnt cancel() the timer