--- a/jdk/src/share/classes/sun/misc/VM.java Thu Nov 07 16:55:39 2013 +0100
+++ b/jdk/src/share/classes/sun/misc/VM.java Fri Nov 08 07:53:57 2013 -0800
@@ -148,6 +148,7 @@
private static volatile boolean booted = false;
+ private static final Object lock = new Object();
// Invoked by by System.initializeSystemClass just before returning.
// Subsystems that are invoked during initialization can check this
@@ -155,13 +156,27 @@
// application class loader has been set up.
//
public static void booted() {
- booted = true;
+ synchronized (lock) {
+ booted = true;
+ lock.notifyAll();
+ }
}
public static boolean isBooted() {
return booted;
}
+ // Waits until VM completes initialization
+ //
+ // This method is invoked by the Finalizer thread
+ public static void awaitBooted() throws InterruptedException {
+ synchronized (lock) {
+ while (!booted) {
+ lock.wait();
+ }
+ }
+ }
+
// A user-settable upper limit on the maximum amount of allocatable direct
// buffer memory. This value may be changed during VM initialization if
// "java" is launched with "-XX:MaxDirectMemorySize=<size>".