/**
* Cleanup resources.
*
* <p>Called by {@link NativeWindowFactory#shutdown()}
*
* @see ToolkitProperties
*/
public static void shutdown() {
if (isInit) {
synchronized (X11Util.class) {
if (isInit) {
final boolean isJVMShuttingDown = NativeWindowFactory.isJVMShuttingDown();
if (DEBUG
|| ((openDisplayMap.size() > 0
|| reusableDisplayList.size() > 0
|| pendingDisplayList.size() > 0)
&& (reusableDisplayList.size() != pendingDisplayList.size()
|| !markAllDisplaysUnclosable))) {
System.err.println(
"X11Util.Display: Shutdown (JVM shutdown: "
+ isJVMShuttingDown
+ ", open (no close attempt): "
+ openDisplayMap.size()
+ "/"
+ openDisplayList.size()
+ ", reusable (open, marked uncloseable): "
+ reusableDisplayList.size()
+ ", pending (open in creation order): "
+ pendingDisplayList.size()
+ ")");
if (DEBUG) {
Thread.dumpStack();
}
if (openDisplayList.size() > 0) {
X11Util.dumpOpenDisplayConnections();
}
if (DEBUG) {
if (reusableDisplayList.size() > 0 || pendingDisplayList.size() > 0) {
X11Util.dumpPendingDisplayConnections();
}
}
}
// Only at JVM shutdown time, since AWT impl. seems to
// dislike closing of X11 Display's (w/ ATI driver).
if (isJVMShuttingDown) {
synchronized (globalLock) {
isInit = false;
closePendingDisplayConnections();
openDisplayList.clear();
reusableDisplayList.clear();
pendingDisplayList.clear();
openDisplayMap.clear();
displayXineramaEnabledMap.clear();
shutdown0();
}
}
}
}
}
}
public static void closeDisplay(long handle) {
synchronized (globalLock) {
final NamedDisplay namedDpy = (NamedDisplay) openDisplayMap.remove(handle);
if (null == namedDpy) {
X11Util.dumpPendingDisplayConnections();
throw new RuntimeException(
"X11Util.Display: Display(0x"
+ Long.toHexString(handle)
+ ") with given handle is not mapped. Thread "
+ Thread.currentThread().getName());
}
if (namedDpy.getHandle() != handle) {
X11Util.dumpPendingDisplayConnections();
throw new RuntimeException(
"X11Util.Display: Display(0x"
+ Long.toHexString(handle)
+ ") Mapping error: "
+ namedDpy
+ ". Thread "
+ Thread.currentThread().getName());
}
namedDpy.removeRef();
if (!openDisplayList.remove(namedDpy)) {
throw new RuntimeException("Internal: " + namedDpy);
}
if (markAllDisplaysUnclosable) {
// if set-mark 'slipped' this one .. just to be safe!
namedDpy.setUncloseable(true);
}
if (!namedDpy.isUncloseable()) {
XCloseDisplay(namedDpy.getHandle());
pendingDisplayList.remove(namedDpy);
} else {
// for reuse
X11Lib.XSync(namedDpy.getHandle(), true); // flush output buffer and discard all events
reusableDisplayList.add(namedDpy);
}
if (DEBUG) {
System.err.println(
"X11Util.Display: Closed (real: "
+ (!namedDpy.isUncloseable())
+ ") "
+ namedDpy
+ ". Thread "
+ Thread.currentThread().getName());
}
}
}