diff --git a/unix/x0vncserver/XDesktop.cxx b/unix/x0vncserver/XDesktop.cxx
index 9a047c8..3e67fad 100644
--- a/unix/x0vncserver/XDesktop.cxx
+++ b/unix/x0vncserver/XDesktop.cxx
@@ -19,6 +19,8 @@
  */
 
 #include <assert.h>
+#include <signal.h>
+#include <unistd.h>
 
 #include <rfb/LogWriter.h>
 
@@ -273,6 +275,10 @@
   pb = 0;
 }
 
+void XDesktop::terminate() {
+  kill(getpid(), SIGTERM);
+}
+
 bool XDesktop::isRunning() {
   return running;
 }
diff --git a/unix/x0vncserver/XDesktop.h b/unix/x0vncserver/XDesktop.h
index 7d06061..3e85aac 100644
--- a/unix/x0vncserver/XDesktop.h
+++ b/unix/x0vncserver/XDesktop.h
@@ -49,6 +49,7 @@
   // -=- SDesktop interface
   virtual void start(rfb::VNCServer* vs);
   virtual void stop();
+  virtual void terminate();
   bool isRunning();
   virtual void queryConnection(network::Socket* sock,
                                const char* userName);
diff --git a/unix/xserver/hw/vnc/XserverDesktop.cc b/unix/xserver/hw/vnc/XserverDesktop.cc
index e61472b..d4891c3 100644
--- a/unix/xserver/hw/vnc/XserverDesktop.cc
+++ b/unix/xserver/hw/vnc/XserverDesktop.cc
@@ -22,6 +22,7 @@
 //
 
 #include <assert.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <strings.h>
@@ -423,6 +424,11 @@
 // SDesktop callbacks
 
 
+void XserverDesktop::terminate()
+{
+  kill(getpid(), SIGTERM);
+}
+
 void XserverDesktop::pointerEvent(const Point& pos, int buttonMask)
 {
   vncPointerMove(pos.x + vncGetScreenX(screenIndex),
diff --git a/unix/xserver/hw/vnc/XserverDesktop.h b/unix/xserver/hw/vnc/XserverDesktop.h
index ff36b3b..1253935 100644
--- a/unix/xserver/hw/vnc/XserverDesktop.h
+++ b/unix/xserver/hw/vnc/XserverDesktop.h
@@ -87,6 +87,7 @@
   // rfb::SDesktop callbacks
   virtual void start(rfb::VNCServer* vs);
   virtual void stop();
+  virtual void terminate();
   virtual void queryConnection(network::Socket* sock,
                                const char* userName);
   virtual void pointerEvent(const rfb::Point& pos, int buttonMask);