Runtime.getRuntime().addShutdownHook(thread);
    }

    public static void removeShutdownHook(Runnable shutdownHook) {
        try {
            Thread thread = HOOKS.remove(shutdownHook);
            if (thread != null) {
                Runtime.getRuntime().removeShutdownHook(thread);
            }
        } catch (IllegalStateException e) {

        }
    }

    public static void systemUninstall() {
        doSystemUninstall();
        if (shutdownHook != null) {
            try {
                Runtime.getRuntime().removeShutdownHook(shutdownHook);
            } catch (IllegalStateException var3) {
                // ignore
            }
        }
    }

    private static void doSystemUninstall() {
        try {

     * 
     *
     * @see jcifs.CIFSContext#close()
     */
    @Override
    public boolean close () throws CIFSException {
        if ( !this.closed ) {
            Runtime.getRuntime().removeShutdownHook(this);
        }
        return false;
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.Thread#run()
     */
    @Override
    public void run () {

        } finally {
            lock.unlock();
        }
    }

    private void setEndStateInfo(ExecHandleState newState, int exitValue, Throwable failureCause) {
        ShutdownHooks.removeShutdownHook(shutdownHookAction);
        buildCancellationToken.removeCallback(shutdownHookAction);
        ExecHandleState currentState;
        lock.lock();
        try {
            currentState = this.state;