diff --git a/scheme/interfaces.scm b/scheme/interfaces.scm
index c7d7fa3..fcda49d 100644
--- a/scheme/interfaces.scm
+++ b/scheme/interfaces.scm
@@ -630,7 +630,7 @@
 	  call-before-heap-overflow!
 	  (interrupt :syntax)))
 
-(define-interface sigevents-interface
+(define-interface rts-sigevents-interface
   (export rts-next-sigevent
 	  rts-next-sigevent/no-wait
 	  most-recent-sigevent
@@ -638,7 +638,7 @@
 	  sigevent-type
 	  schedule-timer-interrupt!))
 
-(define-interface sigevents-internal-interface
+(define-interface rts-sigevents-internal-interface
   (export waiting-for-sigevent?
 	  initialize-sigevents!))
 
diff --git a/scheme/packages.scm b/scheme/packages.scm
index fd243a4..8464f08 100644
--- a/scheme/packages.scm
+++ b/scheme/packages.scm
@@ -292,8 +292,8 @@
 	    methods
 	    meta-methods
 	    interrupts
-	    sigevents
-	    sigevents-internal
+	    rts-sigevents
+	    rts-sigevents-internal
 	    low-level
 	    more-types
 	    number-i/o
diff --git a/scheme/rts-packages.scm b/scheme/rts-packages.scm
index f8680e8..9c72554 100644
--- a/scheme/rts-packages.scm
+++ b/scheme/rts-packages.scm
@@ -226,8 +226,8 @@
   (files (rts interrupt))
   (optimize auto-integrate)) ;mostly for threads package...
 
-(define-structures ((sigevents sigevents-interface)
-		    (sigevents-internal sigevents-internal-interface))
+(define-structures ((rts-sigevents rts-sigevents-interface)
+		    (rts-sigevents-internal rts-sigevents-internal-interface))
   (open scheme-level-1 define-record-types
 	threads threads-internal
 	interrupts
@@ -283,7 +283,7 @@
 	interrupts              ;with-interrupts-inhibited
 	wind                    ;call-with-current-continuation
 	channel-i/o		;waiting-for-i/o?
-	sigevents-internal)                 ;waiting-for-os-sigevent?
+	rts-sigevents-internal)                 ;waiting-for-os-sigevent?
   (access primitives)		;unspecific, wait
   (files (rts root-scheduler)))
 
@@ -331,7 +331,7 @@
 	thread-cells-internal	 ;initialize-dynamic-state!
 	exceptions	 ;initialize-exceptions!
 	interrupts	 ;initialize-interrupts!
-	sigevents-internal  ;initialize-sigevents!
+	rts-sigevents-internal  ;initialize-sigevents!
 	records-internal ;initialize-records!
 	export-the-record-type	;just what it says
 	threads-internal ;start threads
diff --git a/scsh/procobj.scm b/scsh/procobj.scm
index aa12d19..fde5edf 100644
--- a/scsh/procobj.scm
+++ b/scsh/procobj.scm
@@ -114,8 +114,8 @@
 ;;; I'm really tired of opening everything (i.e. events) in scsh-level-0
 ;;; this is here until someone (Olin !!!) cleans up the scsh modules
 
-(define next-sigevent (structure-ref scsh-events next-sigevent))
-(define most-recent-sigevent (structure-ref scsh-events most-recent-sigevent))
+(define next-sigevent (structure-ref sigevents next-sigevent))
+(define most-recent-sigevent (structure-ref sigevents most-recent-sigevent))
 
 
 (define *autoreap-policy* #f) ; Not exported from this module.
diff --git a/scsh/scsh-interfaces.scm b/scsh/scsh-interfaces.scm
index 7a86246..d893ad8 100644
--- a/scsh/scsh-interfaces.scm
+++ b/scsh/scsh-interfaces.scm
@@ -1039,7 +1039,7 @@
 	  interrupt/xcpu	
 	  interrupt/xfsz))
 
-(define-interface scsh-events-interface
+(define-interface sigevents-interface
   (export most-recent-sigevent
 	  sigevent?
 	  next-sigevent
diff --git a/scsh/scsh-package.scm b/scsh/scsh-package.scm
index 5c08e13..be27ddd 100644
--- a/scsh/scsh-package.scm
+++ b/scsh/scsh-package.scm
@@ -140,7 +140,7 @@
 ;   (scsh-regexp-package scsh-regexp-interface)
 )
   (for-syntax (open scsh-syntax-helpers scheme))
-  (access sigevents scsh-events threads)
+  (access rts-sigevents sigevents threads)
   (open enumerated
 	defenum-package
 	external-calls           ;JMG new FFI
@@ -284,7 +284,7 @@
 	scsh-utilities
 	interrupts
 	low-interrupt
-	scsh-events
+	sigevents
 	primitives
 	scheme)
   (files startup))
@@ -300,7 +300,7 @@
 	extended-ports
 	fluids
 	interfaces
-	scsh-events                     
+	sigevents                     
 	low-interrupt
 	fluids-internal            ; JMG: get-dynamic-env 
 	handle                     ; JMG: with-handler
@@ -412,12 +412,12 @@
 	scheme)
   (files here))
 
-(define-structure scsh-events scsh-events-interface
+(define-structure sigevents sigevents-interface
   (open scsh-level-0
 	scheme
 	structure-refs
 	low-interrupt
-	sigevents)
+	rts-sigevents)
   (files event))
 
 (define-structure simple-syntax (export define-simple-syntax)
diff --git a/scsh/sighandlers.scm b/scsh/sighandlers.scm
index ddab93b..8c7fe4d 100644
--- a/scsh/sighandlers.scm
+++ b/scsh/sighandlers.scm
@@ -191,10 +191,10 @@
   (run-as-long-as deliver-interrupts thunk))
 
 (define (deliver-interrupts)
-  (let lp ((last ((structure-ref scsh-events most-recent-sigevent))))
-    (let ((event ((structure-ref scsh-events next-sigevent-set)
+  (let lp ((last ((structure-ref sigevents most-recent-sigevent))))
+    (let ((event ((structure-ref sigevents next-sigevent-set)
 		  last full-interrupt-set)))
-      (call-interrupt-handler ((structure-ref scsh-events sigevent-type) event))
+      (call-interrupt-handler ((structure-ref sigevents sigevent-type) event))
       (lp event))))
     
 ;;; I am ashamed to say the 33 below is completely bogus.
diff --git a/scsh/syscalls.scm b/scsh/syscalls.scm
index 0c062bb..cb24f73 100644
--- a/scsh/syscalls.scm
+++ b/scsh/syscalls.scm
@@ -414,7 +414,7 @@
                                     proc-group))))
               signal))
 (define (itimer sec)
-  ((structure-ref scsh-events schedule-timer-interrupt!) (* sec 1000)))
+  ((structure-ref sigevents schedule-timer-interrupt!) (* sec 1000)))
 ;;; SunOS, not POSIX:
 ;;; (define-foreign signal-process-group/errno
 ;;;   (killpg (integer proc-group) (integer signal))