diff options
| -rw-r--r-- | src/nativewindow/classes/jogamp/nativewindow/x11/X11Util.java | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/nativewindow/classes/jogamp/nativewindow/x11/X11Util.java b/src/nativewindow/classes/jogamp/nativewindow/x11/X11Util.java index c42bcf816..3c197062a 100644 --- a/src/nativewindow/classes/jogamp/nativewindow/x11/X11Util.java +++ b/src/nativewindow/classes/jogamp/nativewindow/x11/X11Util.java @@ -109,10 +109,14 @@ public class X11Util { isX11LockAvailable = isXInitThreadsOK && !HAS_XLOCKDISPLAY_BUG ; final long dpy = X11Lib.XOpenDisplay(null); - try { - nullDisplayName = X11Lib.XDisplayString(dpy); - } finally { - X11Lib.XCloseDisplay(dpy); + if(0 != dpy) { + try { + nullDisplayName = X11Lib.XDisplayString(dpy); + } finally { + X11Lib.XCloseDisplay(dpy); + } + } else { + nullDisplayName = "nil"; } if(DEBUG) { |