dont use free list for passive timer queue because of entaglements

between the file scope free list destructor and any file scope
file descriptor manager destructor's attempts to destroy a
passive timer queue

src/libCom/timer/timerPrivate.h

@@ -152,14 +152,10 @@ public:
     void show ( unsigned int level ) const;
     void release ();
     timerQueue & getTimerQueue ();
-    void * operator new ( size_t size );
-    void operator delete ( void *pCadaver, size_t size );
 protected:
     ~timerQueuePassive ();
 private:
     timerQueue queue;
-    static tsFreeList < class timerQueuePassive, 0x8 > freeList;
-    static epicsMutex freeListMutex;
 };
 
 inline void * timer::operator new ( size_t size )
@@ -189,18 +185,6 @@ inline timerQueue & timerQueueActive::getTimerQueue ()
     return this->queue;
 }
 
-inline void * timerQueuePassive::operator new ( size_t size )
-{
-    epicsAutoMutex locker ( timerQueuePassive::freeListMutex );
-    return timerQueuePassive::freeList.allocate ( size );
-}
-
-inline void timerQueuePassive::operator delete ( void *pCadaver, size_t size )
-{
-    epicsAutoMutex locker ( timerQueuePassive::freeListMutex );
-    timerQueuePassive::freeList.release ( pCadaver, size );
-}
-
 inline timerQueue & timerQueuePassive::getTimerQueue ()
 {
     return this->queue;

src/libCom/timer/timerQueuePassive.cpp

@@ -28,12 +28,17 @@
  *
  */
 
+//
+// Note, a free list for this class is not currently used because of 
+// entanglements between the file scope free list destructor and a
+// file scope fdManager destructor which is trying to call a 
+// destructor for a passive timer queue which is no longer valid
+// in pool.
+// 
+
 #define epicsExportSharedSymbols
 #include "timerPrivate.h"
 
-tsFreeList < class timerQueuePassive, 0x8 > timerQueuePassive::freeList;
-epicsMutex timerQueuePassive::freeListMutex;
-
 epicsTimerQueuePassive::~epicsTimerQueuePassive () {}
 
 epicsTimerQueuePassive &epicsTimerQueuePassive::create ( epicsTimerQueueNotify &notify )