Call FatalError on fatal exceptions

unix/xserver/hw/vnc/XorgGlue.c

@@ -40,6 +40,18 @@ unsigned long vncGetServerGeneration(void)
   return serverGeneration;
 }
 
+void vncFatalError(const char *format, ...)
+{
+  va_list args;
+  char buffer[4096];
+
+  va_start(args, format);
+  vsnprintf(buffer, sizeof(buffer), format, args);
+  va_end(args);
+
+  FatalError("%s", buffer);
+}
+
 int vncGetScreenCount(void)
 {
   return screenInfo.numScreens;

unix/xserver/hw/vnc/XorgGlue.h

@@ -24,9 +24,19 @@
 extern "C" {
 #endif
 
+#ifdef __GNUC__
+#  define __printf_attr(a, b) __attribute__((__format__ (__printf__, a, b)))
+#  define __noreturn_attr __attribute__((noreturn))
+#else
+#  define __printf_attr(a, b)
+#  define __noreturn_attr
+#endif // __GNUC__
+
 const char *vncGetDisplay(void);
 unsigned long vncGetServerGeneration(void);
 
+void vncFatalError(const char *format, ...) __printf_attr(1, 2) __noreturn_attr;
+
 int vncGetScreenCount(void);
 
 void vncGetScreenFormat(int scrIdx, int *depth, int *bpp,

unix/xserver/hw/vnc/vncExtInit.cc

@@ -436,7 +436,11 @@ void vncPostScreenResize(int scrIdx, int success, int width, int height)
 
 void vncRefreshScreenLayout(int scrIdx)
 {
-  desktop[scrIdx]->refreshScreenLayout();
+  try {
+    desktop[scrIdx]->refreshScreenLayout();
+  } catch (rdr::Exception& e) {
+    vncFatalError("%s", e.str());
+  }
 }
 
 int vncOverrideParam(const char *nameAndValue)