diff --git a/src/libCom/osi/os/VMS/osdTime.cpp b/src/libCom/osi/os/VMS/osdTime.cpp
new file mode 100644
index 000000000..f2b937f51
--- /dev/null
+++ b/src/libCom/osi/os/VMS/osdTime.cpp
@@ -0,0 +1,50 @@
+
+//
+// should move the gettimeofday() proto for VMS
+// into a different header
+//
+#include "osiSock.h"
+
+#define epicsExportSharedSymbols
+#include "osiTime.h"
+
+//
+// osiTime::osdGetCurrent ()
+//
+extern "C" epicsShareFunc int tsStampGetCurrent (TS_STAMP *pDest)
+{
+#   if defined(CLOCK_REALTIME)
+        struct timespec ts;
+        int status;
+    
+        status = clock_gettime (CLOCK_REALTIME, &ts);
+        if (status) {
+            return -1;
+        }
+        *pDest = osiTime (ts);
+        return 0;
+#   else
+    	int status;
+    	struct timeval tv;
+    
+    	status = gettimeofday (&tv, NULL);
+        if (status!=0) {
+            return -1;
+        }
+    	*pDest = osiTime (tv); 
+        return 0;
+#   endif
+}
+
+//
+// tsStampGetEvent ()
+//
+extern "C" epicsShareFunc int epicsShareAPI tsStampGetEvent (TS_STAMP *pDest, unsigned eventNumber)
+{
+    if (eventNumber==tsStampEventCurrentTime) {
+        return tsStampGetCurrent (pDest);
+    }
+    else {
+        return tsStampERROR;
+    }
+}
\ No newline at end of file
diff --git a/src/libCom/osi/os/vxWorks/README b/src/libCom/osi/os/vxWorks/README
new file mode 100644
index 000000000..bbc0046b3
--- /dev/null
+++ b/src/libCom/osi/os/vxWorks/README
@@ -0,0 +1,3 @@
+
+The source files here are vxWorks dependent. 
+
diff --git a/src/libCom/osi/osiThread.h b/src/libCom/osi/osiThread.h
index e7e6fad05..2e1be5da1 100644
--- a/src/libCom/osi/osiThread.h
+++ b/src/libCom/osi/osiThread.h
@@ -24,15 +24,6 @@ typedef void (*THREADFUNC)(void *parm);
 #define threadPriorityScanLow 60
 #define threadPriorityScanHigh 70
 
-/*
- *The following functions convert to/from osi (operating system independent)
- * and oss (operating system specific) priority values
- * NOTE THAT ALL OTHER CALLS USE osi priority values
-*/
-
-epicsShareFunc int epicsShareAPI threadGetOsiPriorityValue(int ossPriority);
-epicsShareFunc int epicsShareAPI threadGetOssPriorityValue(int osiPriority);
-
 /* stack sizes for each stackSizeClass are implementation and CPU dependent */
 typedef enum {
     threadStackSmall, threadStackMedium, threadStackBig
@@ -44,22 +35,16 @@ typedef void *threadId;
 epicsShareFunc threadId epicsShareAPI threadCreate(const char *name,
     unsigned int priority, unsigned int stackSize,
     THREADFUNC funptr,void *parm);
-epicsShareFunc void epicsShareAPI threadDestroy(threadId id);
-epicsShareFunc void epicsShareAPI threadSuspend(threadId id);
+epicsShareFunc void epicsShareAPI threadSuspend();
 epicsShareFunc void epicsShareAPI threadResume(threadId id);
-epicsShareFunc int epicsShareAPI threadGetPriority(threadId id);
-epicsShareFunc void epicsShareAPI threadSetPriority(threadId id,int priority);
-epicsShareFunc void epicsShareAPI threadSetDestroySafe(void);
-epicsShareFunc void epicsShareAPI threadSetDestroyUnsafe(void);
-epicsShareFunc const char * epicsShareAPI threadGetName(threadId id);
+epicsShareFunc unsigned int epicsShareAPI threadGetPriority(threadId id);
+epicsShareFunc void epicsShareAPI threadSetPriority(
+    threadId id,unsigned int priority);
 epicsShareFunc int epicsShareAPI threadIsEqual(threadId id1, threadId id2);
 epicsShareFunc int epicsShareAPI threadIsReady(threadId id);
 epicsShareFunc int epicsShareAPI threadIsSuspended(threadId id);
 epicsShareFunc void epicsShareAPI threadSleep(double seconds);
 epicsShareFunc threadId epicsShareAPI threadGetIdSelf(void);
-epicsShareFunc void epicsShareAPI threadLockContextSwitch(void);
-epicsShareFunc void epicsShareAPI threadUnlockContextSwitch(void);
-epicsShareFunc threadId epicsShareAPI threadNameToId(const char *name);
 
 #ifdef __cplusplus
 }
diff --git a/src/libCom/osi/tsStamp.h b/src/libCom/osi/tsStamp.h
index 2c74cb90b..7a06e2390 100644
--- a/src/libCom/osi/tsStamp.h
+++ b/src/libCom/osi/tsStamp.h
@@ -76,7 +76,7 @@ epicsShareFunc int epicsShareAPI tsStampEqual (const TS_STAMP *pLeft, const TS_S
 epicsShareFunc int epicsShareAPI tsStampNotEqual (const TS_STAMP *pLeft, const TS_STAMP *pRight); /* returns boolean result */
 epicsShareFunc int epicsShareAPI tsStampLessThan (const TS_STAMP *pLeft, const TS_STAMP *pRight); /* returns boolean result (true if *pLeft < *pRight) */
 epicsShareFunc int epicsShareAPI tsStampLessThanEqual (const TS_STAMP *pLeft, const TS_STAMP *pRight); /* returns boolean result (true if *pLeft <= *pRight) */
-epicsShareFunc int vtsStampGreaterThan (const TS_STAMP *pLeft, const TS_STAMP *pRight); /* returns boolean result (true if *pLeft > *pRight) */
+epicsShareFunc int epicsShareAPI tsStampGreaterThan (const TS_STAMP *pLeft, const TS_STAMP *pRight); /* returns boolean result (true if *pLeft > *pRight) */
 epicsShareFunc int epicsShareAPI tsStampGreaterThanEqual (const TS_STAMP *pLeft, const TS_STAMP *pRight); /* returns boolean result (true if *pLeft >= *pRight) */
 
 /*