RFR 8034168: ThreadMXBean/Locks.java failed, blocked on wrong object (original) (raw)

Wed Feb 19 08:56:03 PST 2014

/**
 * Spin-waits up to the specified number of milliseconds for the given
 * thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
 */
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
    long startTime = System.nanoTime();
    for (;;) {
        Thread.State s = thread.getState();
        if (s == Thread.State.BLOCKED ||
            s == Thread.State.WAITING ||
            s == Thread.State.TIMED_WAITING)
            return;
        else if (s == Thread.State.TERMINATED)
            fail("Unexpected thread termination");
        else if (millisElapsedSince(startTime) > timeoutMillis) {
            threadAssertTrue(thread.isAlive());
            return;
        }
        Thread.yield();
    }
}