diff --git a/src/libCom/osi/os/posix/osdThread.c b/src/libCom/osi/os/posix/osdThread.c
index 5bd1a82bb..4466e80e1 100644
--- a/src/libCom/osi/os/posix/osdThread.c
+++ b/src/libCom/osi/os/posix/osdThread.c
@@ -469,6 +469,11 @@ epicsThreadId epicsThreadGetIdSelf(void) {
     return(pthreadInfo);
 }
 
+pthread_t epicsThreadGetPThreadIdSelf ( epicsThreadPrivateId id )
+{
+    return ( pthreadInfo->tid );
+}
+
 epicsThreadId epicsThreadGetId(const char *name) {
     epicsThreadOSD *pthreadInfo;
     if(!epicsThreadInitCalled) epicsThreadInit();
@@ -580,3 +585,4 @@ void *epicsThreadPrivateGet(epicsThreadPrivateId id)
         errlogPrintf("epicsThreadPrivateGet: pthread_getspecific returned 0\n");
     return(value);
 }
+
diff --git a/src/libCom/osi/os/posix/osdThread.h b/src/libCom/osi/os/posix/osdThread.h
index 2ee9f2d46..05f0ed32f 100644
--- a/src/libCom/osi/os/posix/osdThread.h
+++ b/src/libCom/osi/os/posix/osdThread.h
@@ -10,4 +10,8 @@
 #ifndef osdThreadh
 #define osdThreadh
 
+#include <pthread.h>
+
+pthread_t epicsThreadGetPthreadIdSelf ( epicsThreadPrivateId id );
+
 #endif /* osdThreadh */