Method countDown

java/org/apache/tomcat/util/threads/LimitLatch.java:138–145

Releases a shared latch, making it available for another thread to use. @return the previous counter value

()

     * @return the previous counter value
     */
    public long countDown() {
        sync.releaseShared(0);
        long result = getCount();
        if (log.isTraceEnabled()) {
            log.trace("Counting down[" + Thread.currentThread().getName() + "] latch=" + result);
        }
        return result;
    }

    /**
     * Releases all waiting threads and causes the {@link #limit} to be ignored until {@link #reset()} is called.