diff --git a/src/ca/autoPtrFreeList.h b/src/ca/autoPtrFreeList.h
index 9e1206e5e..374ba8d58 100644
--- a/src/ca/autoPtrFreeList.h
+++ b/src/ca/autoPtrFreeList.h
@@ -33,7 +33,7 @@
 #endif
 
 #include "tsFreeList.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef autoPtrFreeListh_epicsExportSharedSymbols
 #   define epicsExportSharedSymbols
diff --git a/src/ca/bhe.cpp b/src/ca/bhe.cpp
index dcc5ba844..eb55d7bd7 100644
--- a/src/ca/bhe.cpp
+++ b/src/ca/bhe.cpp
@@ -45,7 +45,7 @@
  * between the 1st and 2nd beacons)
  */
 bhe::bhe ( const epicsTime & initialTimeStamp, 
-          unsigned initialBeaconNumber, const inetAddrID & addr ) throw () :
+          unsigned initialBeaconNumber, const inetAddrID & addr ) epics_throws (()) :
     inetAddrID ( addr ), timeStamp ( initialTimeStamp ), averagePeriod ( - DBL_MAX ),
     lastBeaconNumber ( initialBeaconNumber )
 {
@@ -224,7 +224,7 @@ void bhe::show ( unsigned /* level */ ) const
         static_cast <const void *> ( this ), this->averagePeriod );
 }
 
-double bhe::period () const throw ()
+double bhe::period () const epics_throws (())
 {
     return this->averagePeriod;
 }
diff --git a/src/ca/bhe.h b/src/ca/bhe.h
index 2317c22a7..c14eb99ab 100644
--- a/src/ca/bhe.h
+++ b/src/ca/bhe.h
@@ -31,7 +31,7 @@
 #include "tsDLList.h"
 #include "tsFreeList.h"
 #include "epicsTime.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef bhehEpicsExportSharedSymbols
 #   define epicsExportSharedSymbols
@@ -56,13 +56,13 @@ public:
 class bhe : public tsSLNode < bhe >, public inetAddrID {
 public:
     epicsShareFunc bhe ( const epicsTime & initialTimeStamp, 
-        unsigned initialBeaconNumber, const inetAddrID & addr ) throw ();
+        unsigned initialBeaconNumber, const inetAddrID & addr ) epics_throws (());
     epicsShareFunc ~bhe (); 
     epicsShareFunc bool updatePeriod ( 
         const epicsTime & programBeginTime, 
         const epicsTime & currentTime, ca_uint32_t beaconNumber, 
         unsigned protocolRevision );
-    epicsShareFunc double period () const throw ();
+    epicsShareFunc double period () const epics_throws (());
     epicsShareFunc epicsTime updateTime () const;
     epicsShareFunc void show ( unsigned level) const;
     epicsShareFunc void registerIIU ( tcpiiu & );
diff --git a/src/ca/cac.cpp b/src/ca/cac.cpp
index f8827d587..bf4f190af 100644
--- a/src/ca/cac.cpp
+++ b/src/ca/cac.cpp
@@ -1587,12 +1587,12 @@ void cac::initiateConnect ( nciu & chan )
     this->pudpiiu->installChannel ( chan );
 }
 
-void *cacComBufMemoryManager::allocate ( size_t size ) throw ( std::bad_alloc )
+void *cacComBufMemoryManager::allocate ( size_t size ) epics_throws (( std::bad_alloc ))
 {
     return this->freeList.allocate ( size );
 }
 
-void cacComBufMemoryManager::release ( void * pCadaver ) throw ()
+void cacComBufMemoryManager::release ( void * pCadaver ) epics_throws (())
 {
     return this->freeList.release ( pCadaver );
 }
diff --git a/src/ca/cac.h b/src/ca/cac.h
index bc33edd95..900325237 100644
--- a/src/ca/cac.h
+++ b/src/ca/cac.h
@@ -31,6 +31,7 @@
 #   undef epicsExportSharedSymbols
 #endif
 
+#include "cxxCompilerDependencies.h"
 #include "ipAddrToAsciiAsynchronous.h"
 #include "epicsTimer.h"
 #include "epicsEvent.h"
@@ -98,8 +99,8 @@ private:
 class cacComBufMemoryManager : public comBufMemoryManager
 {
 public:
-    void * allocate ( size_t ) throw ( std::bad_alloc );
-    void release ( void * ) throw ();
+    void * allocate ( size_t ) epics_throws (( std::bad_alloc ));
+    void release ( void * ) epics_throws (());
 private:
     tsFreeList < class comBuf, 0x20 > freeList;
 };
diff --git a/src/ca/cacChannel.cpp b/src/ca/cacChannel.cpp
index 1746dae56..938df389a 100644
--- a/src/ca/cacChannel.cpp
+++ b/src/ca/cacChannel.cpp
@@ -88,17 +88,16 @@ const char * cacChannel::pHostName () const
     return ref->pointer ();
 }
 
-// ms visual c++ 7.0 appears to require these when they
-// are not called?
 void cacChannel::operator delete ( void * )
 {
-    throw std::logic_error ( 
-        "why is the compiler calling cacChannel::operator delete?" );
-}
-void cacChannel::operator delete [] ( void * )
-{
-    throw std::logic_error ( 
-        "why is the compiler calling cacChannel::operator delete?" );
+    // Visual C++ .net appears to require operator delete if
+    // placement operator delete is defined? I smell a ms rat
+    // because if I declare placement new and delete, but
+    // comment out the placement delete definition there are
+    // no undefined symbols.
+    errlogPrintf ( "%s:%d this compiler is confused about placement delete - memory was probably leaked",
+        __FILE__, __LINE__ );
 }
 
 
+
diff --git a/src/ca/cacIO.h b/src/ca/cacIO.h
index ff03f70f2..ce8f39d22 100644
--- a/src/ca/cacIO.h
+++ b/src/ca/cacIO.h
@@ -205,9 +205,7 @@ private:
 	cacChannel ( const cacChannel & );
 	cacChannel & operator = ( const cacChannel & );
     void * operator new ( size_t );
-    void * operator new [] ( size_t );
     void operator delete ( void * );
-    void operator delete [] ( void * );
 };
 
 class cacNotify { // X aCC 655
diff --git a/src/ca/comBuf.cpp b/src/ca/comBuf.cpp
index d07502d56..3e69325bb 100644
--- a/src/ca/comBuf.cpp
+++ b/src/ca/comBuf.cpp
@@ -32,7 +32,7 @@
 #include "comBuf.h"
 #include "errlog.h"
 
-bool comBuf::flushToWire ( wireSendAdapter & wire ) throw ()
+bool comBuf::flushToWire ( wireSendAdapter & wire ) epics_throws (())
 {
     unsigned occupied = this->occupiedBytes ();
     while ( occupied ) {
@@ -47,7 +47,7 @@ bool comBuf::flushToWire ( wireSendAdapter & wire ) throw ()
     return true;
 }
 
-unsigned comBuf::push ( const epicsInt16 * pValue, unsigned nElem ) throw ()
+unsigned comBuf::push ( const epicsInt16 * pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     for ( unsigned i = 0u; i < nElem; i++ ) {
@@ -59,7 +59,7 @@ unsigned comBuf::push ( const epicsInt16 * pValue, unsigned nElem ) throw ()
     return nElem;
 }
 
-unsigned comBuf::push ( const epicsUInt16 * pValue, unsigned nElem ) throw ()
+unsigned comBuf::push ( const epicsUInt16 * pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     for ( unsigned i = 0u; i < nElem; i++ ) {
@@ -71,7 +71,7 @@ unsigned comBuf::push ( const epicsUInt16 * pValue, unsigned nElem ) throw ()
     return nElem;
 }
 
-unsigned comBuf::push ( const epicsInt32 * pValue, unsigned nElem ) throw ()
+unsigned comBuf::push ( const epicsInt32 * pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     for ( unsigned i = 0u; i < nElem; i++ ) {
@@ -87,7 +87,7 @@ unsigned comBuf::push ( const epicsInt32 * pValue, unsigned nElem ) throw ()
     return nElem;
 }
 
-unsigned comBuf::push ( const epicsUInt32 * pValue, unsigned nElem ) throw ()
+unsigned comBuf::push ( const epicsUInt32 * pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     for ( unsigned i = 0u; i < nElem; i++ ) {
@@ -103,7 +103,7 @@ unsigned comBuf::push ( const epicsUInt32 * pValue, unsigned nElem ) throw ()
     return nElem;
 }
 
-unsigned comBuf::push ( const epicsFloat32 * pValue, unsigned nElem ) throw ()
+unsigned comBuf::push ( const epicsFloat32 * pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     for ( unsigned i = 0u; i < nElem; i++ ) {
@@ -114,7 +114,7 @@ unsigned comBuf::push ( const epicsFloat32 * pValue, unsigned nElem ) throw ()
     return nElem;
 }
 
-unsigned comBuf::push ( const epicsFloat64 * pValue, unsigned nElem ) throw ()
+unsigned comBuf::push ( const epicsFloat64 * pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     for ( unsigned i = 0u; i < nElem; i++ ) {
@@ -128,13 +128,12 @@ unsigned comBuf::push ( const epicsFloat64 * pValue, unsigned nElem ) throw ()
 // throwing the exception from a function that isnt inline 
 // shrinks the GNU compiled object code
 void comBuf::throwInsufficentBytesException () 
-    throw ( insufficentBytesAvailable )
+    epics_throws (( insufficentBytesAvailable ))
 {
     throw insufficentBytesAvailable ();
 }
 
 void comBuf::operator delete ( void *pCadaver ) 
-    throw ( std::logic_error )
 {
     // Visual C++ .net appears to require operator delete if
     // placement operator delete is defined? I smell a ms rat
diff --git a/src/ca/comBuf.h b/src/ca/comBuf.h
index 73bfb858e..8f429335a 100644
--- a/src/ca/comBuf.h
+++ b/src/ca/comBuf.h
@@ -34,7 +34,7 @@
 #include "tsFreeList.h"
 #include "tsDLList.h"
 #include "osiWireFormat.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 static const unsigned comBufSize = 0x4000;
 
@@ -43,130 +43,128 @@ class comBufMemoryManager {
 public:
     virtual ~comBufMemoryManager ();
     virtual void * allocate ( size_t ) 
-        throw ( std::bad_alloc ) = 0;
+        epics_throws (( std::bad_alloc )) = 0;
     virtual void release ( void * ) 
-        throw () = 0;
+        epics_throws (()) = 0;
 };
 
 class wireSendAdapter { // X aCC 655
 public:
     virtual unsigned sendBytes ( const void *pBuf, 
-        unsigned nBytesInBuf ) throw () = 0;
+        unsigned nBytesInBuf ) epics_throws (()) = 0;
 };
 
 class wireRecvAdapter { // X aCC 655
 public:
     virtual unsigned recvBytes ( void *pBuf, 
-        unsigned nBytesInBuf ) throw () = 0;
+        unsigned nBytesInBuf ) epics_throws (()) = 0;
 };
 
 class comBuf : public tsDLNode < comBuf > {
 public:
     class insufficentBytesAvailable {};
-    comBuf () throw();
-    unsigned unoccupiedBytes () const throw();
-    unsigned occupiedBytes () const throw();
-    unsigned uncommittedBytes () const throw();
-    static unsigned capacityBytes () throw();
-    void clear () throw ();
-    unsigned copyInBytes ( const void *pBuf, unsigned nBytes ) throw();
-    unsigned push ( comBuf & ) throw();
-    bool push ( const epicsInt8 & value ) throw();
-    bool push ( const epicsUInt8 & value ) throw();
-    bool push ( const epicsInt16 & value ) throw();
-    bool push ( const epicsUInt16 & value ) throw();
-    bool push ( const epicsInt32 & value ) throw();
-    bool push ( const epicsUInt32 & value ) throw();
-    bool push ( const epicsFloat32 & value ) throw();
-    bool push ( const epicsFloat64 & value ) throw();
-    bool push ( const epicsOldString & value ) throw();
-    unsigned push ( const epicsInt8 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsUInt8 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsInt16 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsUInt16 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsInt32 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsUInt32 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsFloat32 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsFloat64 *pValue, unsigned nElem ) throw();
-    unsigned push ( const epicsOldString *pValue, unsigned nElem ) throw();
-    void commitIncomming () throw();
-    void clearUncommittedIncomming () throw();
-    bool copyInAllBytes ( const void *pBuf, unsigned nBytes ) throw();
-    unsigned copyOutBytes ( void *pBuf, unsigned nBytes ) throw();
-    bool copyOutAllBytes ( void *pBuf, unsigned nBytes ) throw();
-    unsigned removeBytes ( unsigned nBytes ) throw();
-    bool flushToWire ( wireSendAdapter & ) throw ();
-    unsigned fillFromWire ( wireRecvAdapter & ) throw ();
+    comBuf () epics_throws (());
+    unsigned unoccupiedBytes () const epics_throws (());
+    unsigned occupiedBytes () const epics_throws (());
+    unsigned uncommittedBytes () const epics_throws (());
+    static unsigned capacityBytes () epics_throws (());
+    void clear () epics_throws (());
+    unsigned copyInBytes ( const void *pBuf, unsigned nBytes ) epics_throws (());
+    unsigned push ( comBuf & ) epics_throws (());
+    bool push ( const epicsInt8 & value ) epics_throws (());
+    bool push ( const epicsUInt8 & value ) epics_throws (());
+    bool push ( const epicsInt16 & value ) epics_throws (());
+    bool push ( const epicsUInt16 & value ) epics_throws (());
+    bool push ( const epicsInt32 & value ) epics_throws (());
+    bool push ( const epicsUInt32 & value ) epics_throws (());
+    bool push ( const epicsFloat32 & value ) epics_throws (());
+    bool push ( const epicsFloat64 & value ) epics_throws (());
+    bool push ( const epicsOldString & value ) epics_throws (());
+    unsigned push ( const epicsInt8 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsUInt8 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsInt16 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsUInt16 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsInt32 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsUInt32 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsFloat32 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsFloat64 *pValue, unsigned nElem ) epics_throws (());
+    unsigned push ( const epicsOldString *pValue, unsigned nElem ) epics_throws (());
+    void commitIncomming () epics_throws (());
+    void clearUncommittedIncomming () epics_throws (());
+    bool copyInAllBytes ( const void *pBuf, unsigned nBytes ) epics_throws (());
+    unsigned copyOutBytes ( void *pBuf, unsigned nBytes ) epics_throws (());
+    bool copyOutAllBytes ( void *pBuf, unsigned nBytes ) epics_throws (());
+    unsigned removeBytes ( unsigned nBytes ) epics_throws (());
+    bool flushToWire ( wireSendAdapter & ) epics_throws (());
+    unsigned fillFromWire ( wireRecvAdapter & ) epics_throws (());
     epicsUInt8 popUInt8 ()
-        throw ( comBuf::insufficentBytesAvailable );
+        epics_throws (( comBuf::insufficentBytesAvailable ));
     epicsUInt16 popUInt16 ()
-        throw ( comBuf::insufficentBytesAvailable );
+        epics_throws (( comBuf::insufficentBytesAvailable ));
     epicsUInt32 popUInt32 () 
-        throw ( comBuf::insufficentBytesAvailable );
+        epics_throws (( comBuf::insufficentBytesAvailable ));
     static void throwInsufficentBytesException ()
-        throw ( comBuf::insufficentBytesAvailable );
+        epics_throws (( comBuf::insufficentBytesAvailable ));
     void * operator new ( size_t size, 
-        comBufMemoryManager  & ) throw ( std::bad_alloc );
+        comBufMemoryManager  & ) epics_throws (( std::bad_alloc ));
 #   ifdef CXX_PLACEMENT_DELETE
     void operator delete ( void *, 
-        comBufMemoryManager & ) throw ();
+        comBufMemoryManager & ) epics_throws (());
 #   endif
 private:
     unsigned commitIndex;
     unsigned nextWriteIndex;
     unsigned nextReadIndex;
     epicsUInt8 buf [ comBufSize ];
-    unsigned unoccupiedElem ( unsigned elemSize, unsigned nElem ) throw ();
-    unsigned occupiedElem ( unsigned elemSize, unsigned nElem ) throw ();
-    void * operator new ( size_t size ) throw ( std::bad_alloc );
-    void operator delete ( void * ) throw ( std::logic_error );
-    void * operator new [] ( size_t size ) throw ( std::bad_alloc );
-    void operator delete [] ( void * ) throw ( std::logic_error );
+    unsigned unoccupiedElem ( unsigned elemSize, unsigned nElem ) epics_throws (());
+    unsigned occupiedElem ( unsigned elemSize, unsigned nElem ) epics_throws (());
+    void * operator new ( size_t size ) epics_throws (( std::bad_alloc ));
+    void operator delete ( void * ) epics_throws (());
 };
 
 inline void * comBuf::operator new ( size_t size, 
     comBufMemoryManager & mgr ) 
-        throw ( std::bad_alloc )
+        epics_throws (( std::bad_alloc ))
 {
     return mgr.allocate ( size );
 }
     
 #ifdef CXX_PLACEMENT_DELETE
 inline void comBuf::operator delete ( void * pCadaver, 
-    comBufMemoryManager & mgr ) throw ()
+    comBufMemoryManager & mgr ) epics_throws (())
 {
     mgr.release ( pCadaver );
 }
 #endif
 
-inline comBuf::comBuf () throw () : commitIndex ( 0u ),
+inline comBuf::comBuf () epics_throws (()) : commitIndex ( 0u ),
     nextWriteIndex ( 0u ), nextReadIndex ( 0u )
 {
 }
 
-inline void comBuf::clear () throw ()
+inline void comBuf::clear () epics_throws (())
 {
     this->commitIndex = 0u;
     this->nextWriteIndex = 0u;
     this->nextReadIndex = 0u;
 }
 
-inline unsigned comBuf::unoccupiedBytes () const throw ()
+inline unsigned comBuf::unoccupiedBytes () const epics_throws (())
 {
     return sizeof ( this->buf ) - this->nextWriteIndex;
 }
 
-inline unsigned comBuf::occupiedBytes () const throw ()
+inline unsigned comBuf::occupiedBytes () const epics_throws (())
 {
     return this->commitIndex - this->nextReadIndex;
 }
 
-inline unsigned comBuf::uncommittedBytes () const throw ()
+inline unsigned comBuf::uncommittedBytes () const epics_throws (())
 {
     return this->nextWriteIndex - this->commitIndex;
 }
 
-inline unsigned comBuf::push ( comBuf & bufIn ) throw ()
+inline unsigned comBuf::push ( comBuf & bufIn ) epics_throws (())
 {
     unsigned nBytes = this->copyInBytes ( 
         & bufIn.buf[ bufIn.nextReadIndex ], 
@@ -175,12 +173,12 @@ inline unsigned comBuf::push ( comBuf & bufIn ) throw ()
     return nBytes;
 }
 
-inline unsigned comBuf::capacityBytes () throw ()
+inline unsigned comBuf::capacityBytes () epics_throws (())
 {
     return comBufSize;
 }
 
-inline unsigned comBuf::fillFromWire ( wireRecvAdapter & wire ) throw ()
+inline unsigned comBuf::fillFromWire ( wireRecvAdapter & wire ) epics_throws (())
 {
     unsigned nNewBytes = wire.recvBytes ( 
         & this->buf[this->nextWriteIndex], 
@@ -189,7 +187,7 @@ inline unsigned comBuf::fillFromWire ( wireRecvAdapter & wire ) throw ()
     return nNewBytes;
 }
 
-inline unsigned comBuf::unoccupiedElem ( unsigned elemSize, unsigned nElem ) throw ()
+inline unsigned comBuf::unoccupiedElem ( unsigned elemSize, unsigned nElem ) epics_throws (())
 {
     unsigned avail = this->unoccupiedBytes ();
     if ( elemSize * nElem > avail ) {
@@ -198,7 +196,7 @@ inline unsigned comBuf::unoccupiedElem ( unsigned elemSize, unsigned nElem ) thr
     return nElem;
 }
 
-inline bool comBuf::push ( const epicsInt8 & value ) throw ()
+inline bool comBuf::push ( const epicsInt8 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -208,7 +206,7 @@ inline bool comBuf::push ( const epicsInt8 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsUInt8 & value ) throw ()
+inline bool comBuf::push ( const epicsUInt8 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -217,7 +215,7 @@ inline bool comBuf::push ( const epicsUInt8 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsInt16 & value ) throw ()
+inline bool comBuf::push ( const epicsInt16 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -229,7 +227,7 @@ inline bool comBuf::push ( const epicsInt16 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsUInt16 & value ) throw ()
+inline bool comBuf::push ( const epicsUInt16 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
          return false;
@@ -241,7 +239,7 @@ inline bool comBuf::push ( const epicsUInt16 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsInt32 & value ) throw ()
+inline bool comBuf::push ( const epicsInt32 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -257,7 +255,7 @@ inline bool comBuf::push ( const epicsInt32 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsUInt32 & value ) throw ()
+inline bool comBuf::push ( const epicsUInt32 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -273,7 +271,7 @@ inline bool comBuf::push ( const epicsUInt32 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsFloat32 & value ) throw ()
+inline bool comBuf::push ( const epicsFloat32 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
          return false;
@@ -284,7 +282,7 @@ inline bool comBuf::push ( const epicsFloat32 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsFloat64 & value ) throw ()
+inline bool comBuf::push ( const epicsFloat64 & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -295,7 +293,7 @@ inline bool comBuf::push ( const epicsFloat64 & value ) throw ()
     return true;
 }
 
-inline bool comBuf::push ( const epicsOldString & value ) throw ()
+inline bool comBuf::push ( const epicsOldString & value ) epics_throws (())
 {
     if ( this->unoccupiedBytes () < sizeof ( value ) ) {
         return false;
@@ -305,17 +303,17 @@ inline bool comBuf::push ( const epicsOldString & value ) throw ()
     return true;
 }
 
-inline unsigned comBuf::push ( const epicsInt8 *pValue, unsigned nElem ) throw ()
+inline unsigned comBuf::push ( const epicsInt8 *pValue, unsigned nElem ) epics_throws (())
 {
     return copyInBytes ( pValue, nElem );
 }
 
-inline unsigned comBuf::push ( const epicsUInt8 *pValue, unsigned nElem ) throw ()
+inline unsigned comBuf::push ( const epicsUInt8 *pValue, unsigned nElem ) epics_throws (())
 {
     return copyInBytes ( pValue, nElem );
 }
 
-inline unsigned comBuf::push ( const epicsOldString *pValue, unsigned nElem ) throw ()
+inline unsigned comBuf::push ( const epicsOldString *pValue, unsigned nElem ) epics_throws (())
 {
     nElem = this->unoccupiedElem ( sizeof (*pValue), nElem );
     unsigned size = nElem * sizeof ( *pValue );
@@ -324,7 +322,7 @@ inline unsigned comBuf::push ( const epicsOldString *pValue, unsigned nElem ) th
     return nElem;
 }
 
-inline unsigned comBuf::occupiedElem ( unsigned elemSize, unsigned nElem ) throw ()
+inline unsigned comBuf::occupiedElem ( unsigned elemSize, unsigned nElem ) epics_throws (())
 {
     unsigned avail = this->occupiedBytes ();
     if ( elemSize * nElem > avail ) {
@@ -333,17 +331,17 @@ inline unsigned comBuf::occupiedElem ( unsigned elemSize, unsigned nElem ) throw
     return nElem;
 }
 
-inline void comBuf::commitIncomming () throw ()
+inline void comBuf::commitIncomming () epics_throws (())
 {
     this->commitIndex = this->nextWriteIndex;
 }
 
-inline void comBuf::clearUncommittedIncomming () throw ()
+inline void comBuf::clearUncommittedIncomming () epics_throws (())
 {
     this->nextWriteIndex = this->commitIndex;
 }
 
-inline bool comBuf::copyInAllBytes ( const void *pBuf, unsigned nBytes ) throw ()
+inline bool comBuf::copyInAllBytes ( const void *pBuf, unsigned nBytes ) epics_throws (())
 {
     if ( nBytes <= this->unoccupiedBytes () ) {
         memcpy ( & this->buf[this->nextWriteIndex], pBuf, nBytes );
@@ -353,7 +351,7 @@ inline bool comBuf::copyInAllBytes ( const void *pBuf, unsigned nBytes ) throw (
     return false;
 }
 
-inline unsigned comBuf::copyInBytes ( const void *pBuf, unsigned nBytes ) throw ()
+inline unsigned comBuf::copyInBytes ( const void *pBuf, unsigned nBytes ) epics_throws (())
 {
     if ( nBytes > 0u ) {
         unsigned available = this->unoccupiedBytes ();
@@ -366,7 +364,7 @@ inline unsigned comBuf::copyInBytes ( const void *pBuf, unsigned nBytes ) throw
     return nBytes;
 }
 
-inline bool comBuf::copyOutAllBytes ( void * pBuf, unsigned nBytes ) throw ()
+inline bool comBuf::copyOutAllBytes ( void * pBuf, unsigned nBytes ) epics_throws (())
 {
     if ( nBytes <= this->occupiedBytes () ) {
         memcpy ( pBuf, &this->buf[this->nextReadIndex], nBytes);
@@ -376,7 +374,7 @@ inline bool comBuf::copyOutAllBytes ( void * pBuf, unsigned nBytes ) throw ()
     return false;
 }
 
-inline unsigned comBuf::copyOutBytes ( void *pBuf, unsigned nBytes ) throw ()
+inline unsigned comBuf::copyOutBytes ( void *pBuf, unsigned nBytes ) epics_throws (())
 {
     unsigned occupied = this->occupiedBytes ();
     if ( nBytes > occupied ) {
@@ -387,7 +385,7 @@ inline unsigned comBuf::copyOutBytes ( void *pBuf, unsigned nBytes ) throw ()
     return nBytes;
 }
 
-inline unsigned comBuf::removeBytes ( unsigned nBytes ) throw ()
+inline unsigned comBuf::removeBytes ( unsigned nBytes ) epics_throws (())
 {
     unsigned occupied = this->occupiedBytes ();
     if ( nBytes > occupied ) {
@@ -398,7 +396,7 @@ inline unsigned comBuf::removeBytes ( unsigned nBytes ) throw ()
 }
 
 inline epicsUInt8 comBuf::popUInt8 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     if ( this->occupiedBytes () < 1u ) {
         comBuf::throwInsufficentBytesException ();
@@ -407,7 +405,7 @@ inline epicsUInt8 comBuf::popUInt8 ()
 }
 
 inline epicsUInt16 comBuf::popUInt16 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     if ( this->occupiedBytes () < 2u ) {
         comBuf::throwInsufficentBytesException ();
@@ -418,7 +416,7 @@ inline epicsUInt16 comBuf::popUInt16 ()
 }
 
 inline epicsUInt32 comBuf::popUInt32 () 
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     if ( this->occupiedBytes () < 4u ) {
         comBuf::throwInsufficentBytesException ();
diff --git a/src/ca/comQueRecv.cpp b/src/ca/comQueRecv.cpp
index 86f1c058d..cadbcaae2 100644
--- a/src/ca/comQueRecv.cpp
+++ b/src/ca/comQueRecv.cpp
@@ -27,17 +27,17 @@
 #include "iocinf.h"
 #include "virtualCircuit.h"
 
-comQueRecv::comQueRecv ( comBufMemoryManager & comBufMemoryManagerIn ) throw () : 
+comQueRecv::comQueRecv ( comBufMemoryManager & comBufMemoryManagerIn ) epics_throws (()) : 
     comBufMemMgr ( comBufMemoryManagerIn ), nBytesPending ( 0u ) 
 {
 }
 
-comQueRecv::~comQueRecv () throw ()
+comQueRecv::~comQueRecv () epics_throws (())
 {
     this->clear ();
 }
 
-void comQueRecv::clear () throw ()
+void comQueRecv::clear () epics_throws (())
 {
     comBuf *pBuf;
     while ( ( pBuf = this->bufs.get () ) ) {
@@ -47,7 +47,7 @@ void comQueRecv::clear () throw ()
     this->nBytesPending = 0u;
 }
 
-unsigned comQueRecv::copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes ) throw ()
+unsigned comQueRecv::copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes ) epics_throws (())
 {
     unsigned totalBytes = 0u;
     do {
@@ -68,7 +68,7 @@ unsigned comQueRecv::copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes ) throw ()
     return totalBytes;
 }
 
-unsigned comQueRecv::removeBytes ( unsigned nBytes ) throw ()
+unsigned comQueRecv::removeBytes ( unsigned nBytes ) epics_throws (())
 {
     unsigned totalBytes = 0u;
     unsigned bytesLeft = nBytes;
@@ -95,7 +95,7 @@ unsigned comQueRecv::removeBytes ( unsigned nBytes ) throw ()
 }
 
 void comQueRecv::popString ( epicsOldString *pStr )
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     for ( unsigned i = 0u; i < sizeof ( *pStr ); i++ ) {
         pStr[0][i] = this->popInt8 ();
@@ -103,7 +103,7 @@ void comQueRecv::popString ( epicsOldString *pStr )
 }
 
 void comQueRecv::pushLastComBufReceived ( comBuf & bufIn )
-    throw ()
+    epics_throws (())
 {
     bufIn.commitIncomming ();
     comBuf * pComBuf = this->bufs.last ();
@@ -128,7 +128,7 @@ void comQueRecv::pushLastComBufReceived ( comBuf & bufIn )
 // 2) using canonical unsigned tmp avoids ANSI C conversions to int
 // 3) cast required because sizeof(unsigned) >= sizeof(epicsUInt32)
 epicsUInt16 comQueRecv::multiBufferPopUInt16 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     epicsUInt16 tmp;
     if ( this->occupiedBytes() >= sizeof (tmp) ) {
@@ -147,7 +147,7 @@ epicsUInt16 comQueRecv::multiBufferPopUInt16 ()
 // 2) using canonical unsigned temporary avoids ANSI C conversions to int
 // 3) cast required because sizeof(unsigned) >= sizeof(epicsUInt32)
 epicsUInt32 comQueRecv::multiBufferPopUInt32 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     epicsUInt32 tmp;
     if ( this->occupiedBytes() >= sizeof (tmp) ) {
@@ -168,7 +168,7 @@ epicsUInt32 comQueRecv::multiBufferPopUInt32 ()
     return tmp;
 }
 
-void comQueRecv::removeAndDestroyBuf ( comBuf & buf ) throw ()
+void comQueRecv::removeAndDestroyBuf ( comBuf & buf ) epics_throws (())
 {
     this->bufs.remove ( buf );
     buf.~comBuf ();
diff --git a/src/ca/comQueRecv.h b/src/ca/comQueRecv.h
index e24ca6b26..b61036a22 100644
--- a/src/ca/comQueRecv.h
+++ b/src/ca/comQueRecv.h
@@ -27,56 +27,58 @@
 #ifndef comQueRecvh  
 #define comQueRecvh
 
+#include "comBuf.h"
+
 class comQueRecv {
 public:
-    comQueRecv ( comBufMemoryManager & ) throw ();
-    ~comQueRecv () throw ();
-    unsigned occupiedBytes () const throw ();
-    unsigned copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes ) throw ();
-    unsigned removeBytes ( unsigned nBytes ) throw ();
-    void pushLastComBufReceived ( comBuf & ) throw ();
-    void clear () throw ();
-    epicsInt8 popInt8 () throw ( comBuf::insufficentBytesAvailable );
-    epicsUInt8 popUInt8 () throw ( comBuf::insufficentBytesAvailable );
-    epicsInt16 popInt16 () throw ( comBuf::insufficentBytesAvailable );
-    epicsUInt16 popUInt16 () throw ( comBuf::insufficentBytesAvailable );
-    epicsInt32 popInt32 () throw ( comBuf::insufficentBytesAvailable );
-    epicsUInt32 popUInt32 () throw ( comBuf::insufficentBytesAvailable );
-    epicsFloat32 popFloat32 () throw ( comBuf::insufficentBytesAvailable );
-    epicsFloat64 popFloat64 () throw ( comBuf::insufficentBytesAvailable );
-    void popString ( epicsOldString * ) throw ( comBuf::insufficentBytesAvailable );
+    comQueRecv ( comBufMemoryManager & ) epics_throws (());
+    ~comQueRecv () epics_throws (());
+    unsigned occupiedBytes () const epics_throws (());
+    unsigned copyOutBytes ( epicsInt8 *pBuf, unsigned nBytes ) epics_throws (());
+    unsigned removeBytes ( unsigned nBytes ) epics_throws (());
+    void pushLastComBufReceived ( comBuf & ) epics_throws (());
+    void clear () epics_throws (());
+    epicsInt8 popInt8 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsUInt8 popUInt8 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsInt16 popInt16 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsUInt16 popUInt16 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsInt32 popInt32 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsUInt32 popUInt32 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsFloat32 popFloat32 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsFloat64 popFloat64 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    void popString ( epicsOldString * ) epics_throws (( comBuf::insufficentBytesAvailable ));
 private:
     tsDLList < comBuf > bufs;
     comBufMemoryManager & comBufMemMgr;
     unsigned nBytesPending;
-    epicsUInt16 multiBufferPopUInt16 () throw ( comBuf::insufficentBytesAvailable );
-    epicsUInt32 multiBufferPopUInt32 () throw ( comBuf::insufficentBytesAvailable );
-    void removeAndDestroyBuf ( comBuf & ) throw ();
-	comQueRecv ( const comQueRecv & ) throw ();
-	comQueRecv & operator = ( const comQueRecv & ) throw ();
+    epicsUInt16 multiBufferPopUInt16 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    epicsUInt32 multiBufferPopUInt32 () epics_throws (( comBuf::insufficentBytesAvailable ));
+    void removeAndDestroyBuf ( comBuf & ) epics_throws (());
+	comQueRecv ( const comQueRecv & ) epics_throws (());
+	comQueRecv & operator = ( const comQueRecv & ) epics_throws (());
 };
 
 inline unsigned comQueRecv::occupiedBytes () const
-    throw ()
+    epics_throws (())
 {
     return this->nBytesPending;
 }
 
 inline epicsInt8 comQueRecv::popInt8 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     return static_cast < epicsInt8 > ( this->popUInt8() );
 }
 
 inline epicsInt16 comQueRecv::popInt16 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     return static_cast < epicsInt16 > (  this->popInt8() << 8u
                                        | this->popInt8() << 0u );
 }
 
 inline epicsInt32 comQueRecv::popInt32 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     epicsInt32 tmp ;
     tmp  = this->popInt8() << 24u;
@@ -87,7 +89,7 @@ inline epicsInt32 comQueRecv::popInt32 ()
 }
 
 inline epicsFloat32 comQueRecv::popFloat32 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     epicsFloat32 tmp;
     epicsUInt8 wire[ sizeof ( tmp ) ];
@@ -100,7 +102,7 @@ inline epicsFloat32 comQueRecv::popFloat32 ()
 }
 
 inline epicsFloat64 comQueRecv::popFloat64 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     epicsFloat64 tmp;
     epicsUInt8 wire[ sizeof ( tmp ) ];
@@ -113,7 +115,7 @@ inline epicsFloat64 comQueRecv::popFloat64 ()
 }
 
 inline epicsUInt8 comQueRecv::popUInt8 () 
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     comBuf * pComBuf = this->bufs.first ();
     if ( ! pComBuf ) {
@@ -129,7 +131,7 @@ inline epicsUInt8 comQueRecv::popUInt8 ()
 
 // optimization here complicates this function somewhat
 inline epicsUInt16 comQueRecv::popUInt16 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     comBuf *pComBuf = this->bufs.first ();
     if ( ! pComBuf ) {
@@ -155,7 +157,7 @@ inline epicsUInt16 comQueRecv::popUInt16 ()
 
 // optimization here complicates this function somewhat
 inline epicsUInt32 comQueRecv::popUInt32 ()
-    throw ( comBuf::insufficentBytesAvailable )
+    epics_throws (( comBuf::insufficentBytesAvailable ))
 {
     comBuf *pComBuf = this->bufs.first ();
     if ( ! pComBuf ) {
diff --git a/src/ca/comQueSend.cpp b/src/ca/comQueSend.cpp
index 7a8ae98eb..0228b3274 100644
--- a/src/ca/comQueSend.cpp
+++ b/src/ca/comQueSend.cpp
@@ -81,18 +81,18 @@ const char cacNillBytes [] =
 };
 
 comQueSend::comQueSend ( wireSendAdapter & wireIn, 
-    comBufMemoryManager & comBufMemMgrIn ) throw () :
+    comBufMemoryManager & comBufMemMgrIn ) epics_throws (()) :
         comBufMemMgr ( comBufMemMgrIn ), wire ( wireIn ), 
             nBytesPending ( 0u )
 {
 }
 
-comQueSend::~comQueSend () throw ()
+comQueSend::~comQueSend () epics_throws (())
 {
     this->clear ();
 }
 
-void comQueSend::clear () throw ()
+void comQueSend::clear () epics_throws (())
 {
     comBuf *pBuf;
 
@@ -109,7 +109,7 @@ void comQueSend::clear () throw ()
     assert ( this->nBytesPending == 0 );
 }
 
-void comQueSend::clearUncommitted () throw ()
+void comQueSend::clearUncommitted () epics_throws (())
 {
     while ( this->pFirstUncommited.valid() ) {
         tsDLIter < comBuf > next = this->pFirstUncommited;
@@ -129,32 +129,32 @@ void comQueSend::clearUncommitted () throw ()
     }
 }
 
-void comQueSend::copy_dbr_string ( const void *pValue, unsigned nElem ) throw ()
+void comQueSend::copy_dbr_string ( const void *pValue, unsigned nElem ) epics_throws (())
 {
     this->push ( static_cast <const dbr_string_t *> ( pValue ), nElem );
 }
 
-void comQueSend::copy_dbr_short ( const void *pValue, unsigned nElem ) throw ()
+void comQueSend::copy_dbr_short ( const void *pValue, unsigned nElem ) epics_throws (())
 {
     this->push ( static_cast <const dbr_short_t *> ( pValue ), nElem );
 }
 
-void comQueSend::copy_dbr_float ( const void *pValue, unsigned nElem ) throw ()
+void comQueSend::copy_dbr_float ( const void *pValue, unsigned nElem ) epics_throws (())
 {
     this->push ( static_cast <const dbr_float_t *> ( pValue ), nElem );
 }
 
-void comQueSend::copy_dbr_char ( const void *pValue, unsigned nElem ) throw ()
+void comQueSend::copy_dbr_char ( const void *pValue, unsigned nElem ) epics_throws (())
 {
     this->push ( static_cast <const dbr_char_t *> ( pValue ), nElem );
 }
 
-void comQueSend::copy_dbr_long ( const void *pValue, unsigned nElem ) throw ()
+void comQueSend::copy_dbr_long ( const void *pValue, unsigned nElem ) epics_throws (())
 {
     this->push ( static_cast <const dbr_long_t *> ( pValue ), nElem );
 }
 
-void comQueSend::copy_dbr_double ( const void *pValue, unsigned nElem ) throw ()
+void comQueSend::copy_dbr_double ( const void *pValue, unsigned nElem ) epics_throws (())
 {
     this->push ( static_cast <const dbr_double_t *> ( pValue ), nElem );
 }
@@ -201,7 +201,7 @@ const comQueSend::copyFunc_t comQueSend::dbrCopyVector [39] = {
     0  // DBR_CLASS_NAME
 };
 
-comBuf * comQueSend::popNextComBufToSend () throw ()
+comBuf * comQueSend::popNextComBufToSend () epics_throws (())
 {
     comBuf *pBuf = this->bufs.get ();
     if ( pBuf ) {
@@ -225,7 +225,7 @@ void comQueSend::insertRequestHeader (
     ca_uint16_t request, ca_uint32_t payloadSize, 
     ca_uint16_t dataType, ca_uint32_t nElem, ca_uint32_t cid, 
     ca_uint32_t requestDependent, bool v49Ok ) 
-        throw ( cacChannel::outOfBounds )
+        epics_throws (( cacChannel::outOfBounds ))
 {
     this->beginMsg ();
     if ( payloadSize < 0xffff && nElem < 0xffff ) {
@@ -254,7 +254,7 @@ void comQueSend::insertRequestHeader (
 void comQueSend::insertRequestWithPayLoad (
     ca_uint16_t request, unsigned dataType, ca_uint32_t nElem, 
     ca_uint32_t cid, ca_uint32_t requestDependent, const void * pPayload,
-    bool v49Ok ) throw ( cacChannel::outOfBounds )
+    bool v49Ok ) epics_throws (( cacChannel::outOfBounds ))
 {
     if ( ! this->dbr_type_ok ( dataType ) ) {
         throw cacChannel::badType();
@@ -299,7 +299,7 @@ void comQueSend::insertRequestWithPayLoad (
     this->commitMsg ();
 }
 
-void comQueSend::commitMsg () throw ()
+void comQueSend::commitMsg () epics_throws (())
 {
     while ( this->pFirstUncommited.valid() ) {
         this->nBytesPending += this->pFirstUncommited->uncommittedBytes ();
diff --git a/src/ca/comQueSend.h b/src/ca/comQueSend.h
index a30bd71c0..d06d0f0a5 100644
--- a/src/ca/comQueSend.h
+++ b/src/ca/comQueSend.h
@@ -40,56 +40,56 @@
 //
 class comQueSend {
 public:
-    comQueSend ( wireSendAdapter &, comBufMemoryManager & ) throw ();
-    ~comQueSend () throw ();
-    void clear () throw ();
-    void beginMsg () throw ();
-    void commitMsg () throw ();
-    unsigned occupiedBytes () const throw ();
-    bool flushEarlyThreshold ( unsigned nBytesThisMsg ) const throw ();
-    bool flushBlockThreshold ( unsigned nBytesThisMsg ) const throw ();
-    bool dbr_type_ok ( unsigned type ) throw ();
-    void pushUInt16 ( const ca_uint16_t value ) throw ();
-    void pushUInt32 ( const ca_uint32_t value ) throw ();
-    void pushFloat32 ( const ca_float32_t value ) throw ();
-    void pushString ( const char *pVal, unsigned nChar ) throw ();
+    comQueSend ( wireSendAdapter &, comBufMemoryManager & ) epics_throws (());
+    ~comQueSend () epics_throws (());
+    void clear () epics_throws (());
+    void beginMsg () epics_throws (());
+    void commitMsg () epics_throws (());
+    unsigned occupiedBytes () const epics_throws (());
+    bool flushEarlyThreshold ( unsigned nBytesThisMsg ) const epics_throws (());
+    bool flushBlockThreshold ( unsigned nBytesThisMsg ) const epics_throws (());
+    bool dbr_type_ok ( unsigned type ) epics_throws (());
+    void pushUInt16 ( const ca_uint16_t value ) epics_throws (());
+    void pushUInt32 ( const ca_uint32_t value ) epics_throws (());
+    void pushFloat32 ( const ca_float32_t value ) epics_throws (());
+    void pushString ( const char *pVal, unsigned nChar ) epics_throws (());
     void insertRequestHeader (
         ca_uint16_t request, ca_uint32_t payloadSize, 
         ca_uint16_t dataType, ca_uint32_t nElem, ca_uint32_t cid, 
         ca_uint32_t requestDependent, bool v49Ok ) 
-            throw ( cacChannel::outOfBounds );
+            epics_throws (( cacChannel::outOfBounds ));
     void insertRequestWithPayLoad (
         ca_uint16_t request, unsigned dataType, ca_uint32_t nElem, 
         ca_uint32_t cid, ca_uint32_t requestDependent, 
         const void * pPayload, bool v49Ok ) 
-            throw ( cacChannel::outOfBounds );
-    void push_dbr_type ( unsigned type, const void *pVal, unsigned nElem ) throw ();
-    comBuf * popNextComBufToSend () throw ();
+            epics_throws (( cacChannel::outOfBounds ));
+    void push_dbr_type ( unsigned type, const void *pVal, unsigned nElem ) epics_throws (());
+    comBuf * popNextComBufToSend () epics_throws (());
 private:
     comBufMemoryManager & comBufMemMgr;
     tsDLList < comBuf > bufs;
     tsDLIter < comBuf > pFirstUncommited;
     wireSendAdapter & wire;
     unsigned nBytesPending;
-    void copy_dbr_string ( const void *pValue, unsigned nElem ) throw ();
-    void copy_dbr_short ( const void *pValue, unsigned nElem ) throw ();
-    void copy_dbr_float ( const void *pValue, unsigned nElem ) throw ();
-    void copy_dbr_char ( const void *pValue, unsigned nElem ) throw ();
-    void copy_dbr_long ( const void *pValue, unsigned nElem ) throw ();
-    void copy_dbr_double ( const void *pValue, unsigned nElem ) throw ();
-    void pushComBuf ( comBuf & ) throw ();
+    void copy_dbr_string ( const void *pValue, unsigned nElem ) epics_throws (());
+    void copy_dbr_short ( const void *pValue, unsigned nElem ) epics_throws (());
+    void copy_dbr_float ( const void *pValue, unsigned nElem ) epics_throws (());
+    void copy_dbr_char ( const void *pValue, unsigned nElem ) epics_throws (());
+    void copy_dbr_long ( const void *pValue, unsigned nElem ) epics_throws (());
+    void copy_dbr_double ( const void *pValue, unsigned nElem ) epics_throws (());
+    void pushComBuf ( comBuf & ) epics_throws (());
     typedef void ( comQueSend::*copyFunc_t ) (  
         const void *pValue, unsigned nElem );
     static const copyFunc_t dbrCopyVector [39];
 
-    void clearUncommitted () throw ();
+    void clearUncommitted () epics_throws (());
 
     //
     // visual C++ versions 6 & 7 do not allow out of 
     // class member template function definition
     //
     template < class T >
-    inline void push ( const T *pVal, const unsigned nElem ) throw ()
+    inline void push ( const T *pVal, const unsigned nElem ) epics_throws (())
     {
         comBuf * pLastBuf = this->bufs.last ();
         unsigned nCopied;
@@ -113,7 +113,7 @@ private:
     // class member template function definition
     //
     template < class T >
-    inline void push ( const T & val ) throw ()
+    inline void push ( const T & val ) epics_throws (())
     {
         comBuf * pComBuf = this->bufs.last ();
         if ( pComBuf && pComBuf->push ( val ) ) {
@@ -124,13 +124,13 @@ private:
         this->pushComBuf ( *pComBuf );
     }
 
-	comQueSend ( const comQueSend & ) throw ();
-	comQueSend & operator = ( const comQueSend & ) throw ();
+	comQueSend ( const comQueSend & ) epics_throws (());
+	comQueSend & operator = ( const comQueSend & ) epics_throws (());
 };
 
 extern const char cacNillBytes[];
 
-inline bool comQueSend::dbr_type_ok ( unsigned type ) throw ()
+inline bool comQueSend::dbr_type_ok ( unsigned type ) epics_throws (())
 {
     if ( type >= ( sizeof ( this->dbrCopyVector ) / sizeof ( this->dbrCopyVector[0] )  ) ) {
         return false;
@@ -141,34 +141,34 @@ inline bool comQueSend::dbr_type_ok ( unsigned type ) throw ()
     return true;
 }
 
-inline void comQueSend::pushUInt16 ( const ca_uint16_t value ) throw ()
+inline void comQueSend::pushUInt16 ( const ca_uint16_t value ) epics_throws (())
 {
     this->push ( value );
 }
 
-inline void comQueSend::pushUInt32 ( const ca_uint32_t value ) throw ()
+inline void comQueSend::pushUInt32 ( const ca_uint32_t value ) epics_throws (())
 {
     this->push ( value );
 }
 
-inline void comQueSend::pushFloat32 ( const ca_float32_t value ) throw ()
+inline void comQueSend::pushFloat32 ( const ca_float32_t value ) epics_throws (())
 {
     this->push ( value );
 }
 
-inline void comQueSend::pushString ( const char *pVal, unsigned nChar ) throw ()
+inline void comQueSend::pushString ( const char *pVal, unsigned nChar ) epics_throws (())
 {
     this->push ( pVal, nChar );
 }
 
 // it is assumed that dbr_type_ok() was called prior to calling this routine
 // to check the type code
-inline void comQueSend::push_dbr_type ( unsigned type, const void *pVal, unsigned nElem ) throw ()
+inline void comQueSend::push_dbr_type ( unsigned type, const void *pVal, unsigned nElem ) epics_throws (())
 {
     ( this->*dbrCopyVector [type] ) ( pVal, nElem );
 }
 
-inline void comQueSend::pushComBuf ( comBuf & cb ) throw ()
+inline void comQueSend::pushComBuf ( comBuf & cb ) epics_throws (())
 {
     this->bufs.add ( cb );
     if ( ! this->pFirstUncommited.valid() ) {
@@ -176,22 +176,22 @@ inline void comQueSend::pushComBuf ( comBuf & cb ) throw ()
     }
 }
 
-inline unsigned comQueSend::occupiedBytes () const throw ()
+inline unsigned comQueSend::occupiedBytes () const epics_throws (())
 {
     return this->nBytesPending;
 }
 
-inline bool comQueSend::flushBlockThreshold ( unsigned nBytesThisMsg ) const throw ()
+inline bool comQueSend::flushBlockThreshold ( unsigned nBytesThisMsg ) const epics_throws (())
 {
     return ( this->nBytesPending + nBytesThisMsg > 16 * comBuf::capacityBytes () );
 }
 
-inline bool comQueSend::flushEarlyThreshold ( unsigned nBytesThisMsg ) const throw ()
+inline bool comQueSend::flushEarlyThreshold ( unsigned nBytesThisMsg ) const epics_throws (())
 {
     return ( this->nBytesPending + nBytesThisMsg > 4 * comBuf::capacityBytes () );
 }
 
-inline void comQueSend::beginMsg () throw ()
+inline void comQueSend::beginMsg () epics_throws (())
 {
     if ( this->pFirstUncommited.valid() ) {
         this->clearUncommitted ();
diff --git a/src/ca/msgForMultiplyDefinedPV.h b/src/ca/msgForMultiplyDefinedPV.h
index 0aa03acaf..cfd8e0765 100644
--- a/src/ca/msgForMultiplyDefinedPV.h
+++ b/src/ca/msgForMultiplyDefinedPV.h
@@ -30,7 +30,7 @@
 #include "ipAddrToAsciiAsynchronous.h"
 #include "tsFreeList.h"
 #include "epicsMutex.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 class cac;
 class callbackMutex;
diff --git a/src/ca/nciu.h b/src/ca/nciu.h
index 01a776dd8..bacf325d2 100644
--- a/src/ca/nciu.h
+++ b/src/ca/nciu.h
@@ -35,7 +35,7 @@
 #include "tsDLList.h"
 #include "tsFreeList.h"
 #include "epicsMutex.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef nciuh_restore_epicsExportSharedSymbols
 #   define epicsExportSharedSymbols
diff --git a/src/ca/netIO.h b/src/ca/netIO.h
index e4b3b739f..365b99f62 100644
--- a/src/ca/netIO.h
+++ b/src/ca/netIO.h
@@ -27,7 +27,7 @@
 #define netIOh
 
 #include "nciu.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 // SUN PRO generates multiply defined symbols if the baseNMIU
 // destructor is virtual (therefore it is protected). 
diff --git a/src/ca/oldAccess.h b/src/ca/oldAccess.h
index 98110259a..02168108a 100644
--- a/src/ca/oldAccess.h
+++ b/src/ca/oldAccess.h
@@ -33,7 +33,7 @@
 #endif
 
 #include "tsFreeList.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef oldAccessh_restore_epicsExportSharedSymbols
 #   define epicsExportSharedSymbols
diff --git a/src/ca/repeaterClient.h b/src/ca/repeaterClient.h
index 822ca9d09..e4768ab74 100644
--- a/src/ca/repeaterClient.h
+++ b/src/ca/repeaterClient.h
@@ -34,7 +34,7 @@
 
 #include "tsDLList.h"
 #include "tsFreeList.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef repeaterClienth_restore_epicsExportSharedSymbols
 #   define epicsExportSharedSymbols
diff --git a/src/ca/syncGroup.h b/src/ca/syncGroup.h
index 3e29e1fa2..7a9f3193e 100644
--- a/src/ca/syncGroup.h
+++ b/src/ca/syncGroup.h
@@ -35,7 +35,7 @@
 #include "tsFreeList.h"
 #include "resourceLib.h"
 #include "epicsEvent.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef syncGrouph_restore_epicsExportSharedSymbols
 #   define epicsExportSharedSymbols
diff --git a/src/ca/tcpiiu.cpp b/src/ca/tcpiiu.cpp
index 21a68343b..324751442 100644
--- a/src/ca/tcpiiu.cpp
+++ b/src/ca/tcpiiu.cpp
@@ -139,7 +139,7 @@ void tcpSendThread::run ()
 }
 
 unsigned tcpiiu::sendBytes ( const void *pBuf, 
-                            unsigned nBytesInBuf ) throw ()
+                            unsigned nBytesInBuf ) epics_throws (())
 {
     int status;
     unsigned nBytes = 0u;
@@ -202,7 +202,7 @@ unsigned tcpiiu::sendBytes ( const void *pBuf,
     return nBytes;
 }
 
-unsigned tcpiiu::recvBytes ( void * pBuf, unsigned nBytesInBuf ) throw ()
+unsigned tcpiiu::recvBytes ( void * pBuf, unsigned nBytesInBuf ) epics_throws (())
 {
     if ( this->state != iiucs_connected && 
             this->state != iiucs_clean_shutdown ) {
diff --git a/src/ca/virtualCircuit.h b/src/ca/virtualCircuit.h
index d05ee30be..c5dfab86a 100644
--- a/src/ca/virtualCircuit.h
+++ b/src/ca/virtualCircuit.h
@@ -170,8 +170,8 @@ private:
     bool recvProcessPostponedFlush;
 
     bool processIncoming ( epicsGuard < callbackMutex > & );
-    unsigned sendBytes ( const void *pBuf, unsigned nBytesInBuf ) throw ();
-    unsigned recvBytes ( void *pBuf, unsigned nBytesInBuf ) throw ();
+    unsigned sendBytes ( const void *pBuf, unsigned nBytesInBuf ) epics_throws (());
+    unsigned recvBytes ( void *pBuf, unsigned nBytesInBuf ) epics_throws (());
     void connect ();
     const char * pHostName () const;
 
diff --git a/src/libCom/cxxTemplates/epicsSingleton.h b/src/libCom/cxxTemplates/epicsSingleton.h
index e63dba028..6418cc199 100644
--- a/src/libCom/cxxTemplates/epicsSingleton.h
+++ b/src/libCom/cxxTemplates/epicsSingleton.h
@@ -24,6 +24,7 @@
 #include "epicsMutex.h"
 #include "epicsGuard.h"
 #include "epicsThread.h"
+#include "cxxCompilerDependencies.h"
 
 // This class exists for the purpose of avoiding file scope
 // object chicken and egg problems. It implements thread safe
@@ -41,33 +42,33 @@ public:
     // inline func def required by visual c++ 7
     class reference {
     public:
-        reference ( TYPE & tIn ) throw () :
+        reference ( TYPE & tIn ) epics_throws (()) :
             instance ( tIn ) 
         {
         }
 
-        ~reference () throw () 
+        ~reference () epics_throws (()) 
         {
         }
 
-        TYPE * operator -> () throw () 
+        TYPE * operator -> () epics_throws (()) 
         { 
             return & this->instance; 
         }
 
-        const TYPE * operator -> () const throw ()
+        const TYPE * operator -> () const epics_throws (())
         {
             typename epicsSingleton<TYPE>::reference & ref = 
                 const_cast < typename epicsSingleton<TYPE>::reference & > ( *this );
             return ref.operator -> ();
         }
 
-        TYPE & operator * () throw ()
+        TYPE & operator * () epics_throws (())
         {
             return * this->operator -> ();
         }
 
-        const TYPE & operator * () const throw ()
+        const TYPE & operator * () const epics_throws (())
         {
             return * this->operator -> ();
         }
diff --git a/src/libCom/cxxTemplates/tsFreeList.h b/src/libCom/cxxTemplates/tsFreeList.h
index f2a2a8d2f..e58b0a198 100644
--- a/src/libCom/cxxTemplates/tsFreeList.h
+++ b/src/libCom/cxxTemplates/tsFreeList.h
@@ -66,6 +66,7 @@
 #include <new>
 #include "string.h"
 
+#include "cxxCompilerDependencies.h"
 #include "epicsMutex.h"
 #include "epicsGuard.h"
 
@@ -85,21 +86,21 @@ template < class T, unsigned N = 0x400,
 class tsFreeList {
 public:
     tsFreeList () 
-        throw ();
+        epics_throws (());
     ~tsFreeList () 
-        throw ();
+        epics_throws (());
     void * allocate ( size_t size ) 
-        throw ( std::bad_alloc );
+        epics_throws (( std::bad_alloc ));
     void release ( void * p )
-        throw ();
+        epics_throws (());
     void release ( void * p, size_t size )
-        throw ();
+        epics_throws (());
 private:
     MUTEX mutex;
     tsFreeListItem < T > * pFreeList;
     tsFreeListChunk < T, N > * pChunkList;
     void * allocateFromNewChunk () 
-        throw ( std::bad_alloc );
+        epics_throws (( std::bad_alloc ));
 };
 
 template < class T >
@@ -117,10 +118,10 @@ struct tsFreeListChunk {
 
 template < class T, unsigned N, class MUTEX >
 inline tsFreeList < T, N, MUTEX > :: tsFreeList () 
-    throw () : pFreeList ( 0 ), pChunkList ( 0 ) {}
+    epics_throws (()) : pFreeList ( 0 ), pChunkList ( 0 ) {}
 
 template < class T, unsigned N, class MUTEX >
-tsFreeList < T, N, MUTEX > :: ~tsFreeList () throw ()
+tsFreeList < T, N, MUTEX > :: ~tsFreeList () epics_throws (())
 {
     while ( tsFreeListChunk < T, N > *pChunk = this->pChunkList ) {
         this->pChunkList = this->pChunkList->pNext;
@@ -130,7 +131,7 @@ tsFreeList < T, N, MUTEX > :: ~tsFreeList () throw ()
 
 template < class T, unsigned N, class MUTEX >
 void * tsFreeList < T, N, MUTEX >::allocate ( size_t size ) 
-    throw ( std::bad_alloc )
+    epics_throws (( std::bad_alloc ))
 {
     if ( size != sizeof ( T ) || N == 0u || tsFreeListDebugBypass ) {
         void * p = ::operator new ( size );
@@ -150,7 +151,7 @@ void * tsFreeList < T, N, MUTEX >::allocate ( size_t size )
 
 template < class T, unsigned N, class MUTEX >
 void * tsFreeList < T, N, MUTEX >::allocateFromNewChunk () 
-    throw ( std::bad_alloc )
+    epics_throws (( std::bad_alloc ))
 {
     tsFreeListChunk < T, N > * pChunk = 
         new tsFreeListChunk < T, N >;
@@ -170,7 +171,7 @@ void * tsFreeList < T, N, MUTEX >::allocateFromNewChunk ()
 
 template < class T, unsigned N, class MUTEX >
 void tsFreeList < T, N, MUTEX >::release ( void * pCadaver, size_t size ) 
-    throw ()
+    epics_throws (())
 {
     if ( size != sizeof ( T ) ) {
         tsFreeListMemSetDelete ( pCadaver, size );
@@ -183,7 +184,7 @@ void tsFreeList < T, N, MUTEX >::release ( void * pCadaver, size_t size )
 
 template < class T, unsigned N, class MUTEX >
 void tsFreeList < T, N, MUTEX >::release ( void * pCadaver )
-    throw ()
+    epics_throws (())
 {
     if ( N == 0u || tsFreeListDebugBypass ) {
         tsFreeListMemSetDelete ( pCadaver, sizeof ( T ) );
diff --git a/src/libCom/timer/epicsTimer.cpp b/src/libCom/timer/epicsTimer.cpp
index 8cc64eafa..e80875760 100644
--- a/src/libCom/timer/epicsTimer.cpp
+++ b/src/libCom/timer/epicsTimer.cpp
@@ -39,7 +39,7 @@ epicsTimerNotify::~epicsTimerNotify  () {}
 
 void epicsTimerNotify::show ( unsigned /* level */ ) const {}
 
-epicsTimerForC::epicsTimerForC ( timerQueue &queue, epicsTimerCallback pCBIn, void *pPrivateIn ) throw () :
+epicsTimerForC::epicsTimerForC ( timerQueue &queue, epicsTimerCallback pCBIn, void *pPrivateIn ) epics_throws (()) :
     timer ( queue ), pCallBack ( pCBIn ), pPrivate ( pPrivateIn )
 {
 }
@@ -70,7 +70,7 @@ epicsTimerQueueActiveForC::~epicsTimerQueueActiveForC ()
 {
 }
 
-void epicsTimerQueueActiveForC::release () throw ()
+void epicsTimerQueueActiveForC::release () epics_throws (())
 {
     epicsSingleton < timerQueueActiveMgr >::reference pMgr = 
         timerQueueMgrEPICS;
diff --git a/src/libCom/timer/timer.cpp b/src/libCom/timer/timer.cpp
index 8a9fee4e4..ad17a4f1a 100644
--- a/src/libCom/timer/timer.cpp
+++ b/src/libCom/timer/timer.cpp
@@ -35,7 +35,7 @@ template class tsFreeList < timer, 0x20 >;
 #   pragma warning ( pop )
 #endif
 
-timer::timer ( timerQueue & queueIn ) throw ():
+timer::timer ( timerQueue & queueIn ) epics_throws (()):
     queue ( queueIn ), curState ( stateLimbo ), pNotify ( 0 ) 
 {
 }
diff --git a/src/libCom/timer/timerPrivate.h b/src/libCom/timer/timerPrivate.h
index f29f87cb8..d5cc82ebd 100644
--- a/src/libCom/timer/timerPrivate.h
+++ b/src/libCom/timer/timerPrivate.h
@@ -22,7 +22,7 @@
 #include "epicsSingleton.h"
 #include "tsDLList.h"
 #include "epicsTimer.h"
-#include "cxxCompilerDepPlacementDelete.h"
+#include "cxxCompilerDependencies.h"
 
 #ifdef DEBUG
 #   define debugPrintf(ARGSINPAREN) printf ARGSINPAREN
@@ -45,7 +45,7 @@ public:
     void operator delete ( void *, tsFreeList < timer, 0x20 > & );
 #endif
 protected:
-    timer ( class timerQueue & ) throw ();
+    timer ( class timerQueue & ) epics_throws (());
     ~timer (); 
     timerQueue & queue;
 private:
@@ -69,7 +69,7 @@ struct epicsTimerForC : public epicsTimerNotify, public timer {
 public:
     void destroy ();
 protected:
-    epicsTimerForC ( timerQueue &, epicsTimerCallback, void *pPrivateIn ) throw ();
+    epicsTimerForC ( timerQueue &, epicsTimerCallback, void *pPrivateIn ) epics_throws (());
     ~epicsTimerForC (); 
     void * operator new ( size_t size, tsFreeList < epicsTimerForC, 0x20 > & );
 #ifdef CXX_PLACEMENT_DELETE
@@ -199,7 +199,7 @@ struct epicsTimerQueueActiveForC : public timerQueueActive,
     public tsDLNode < epicsTimerQueueActiveForC > {
 public:
     epicsTimerQueueActiveForC ( bool okToShare, unsigned priority );
-    void release () throw();
+    void release () epics_throws (());
     void * operator new ( size_t );
     void operator delete ( void * );
 protected: