Avoid starting multiple threads in ShutdownThread



The previous code allowed this to happen if a second call to shutdown
happened while the dialog was being displayed.

BUG: 2563243

Change-Id: I93adc4ef316917a79002d580b17eda0dc354704c
Signed-off-by: Mike Lockwood <lockwood@android.com>

parent 14bfa398

core/java/com/android/internal/app/ShutdownThread.java

+5 −1

Original line number	Diff line number	Diff line
		@@ -133,6 +133,10 @@ public final class ShutdownThread extends Thread {

		private static void beginShutdownSequence(Context context) {
		synchronized (sIsStartedGuard) {
		if (sIsStarted) {
		Log.d(TAG, "Request to shutdown already running, returning.");
		return;
		}
		sIsStarted = true;
		}