ThreadCritical::~ThreadCritical() {

  {- -------------------------------------------
  (1) (ThreadCritical::initialize() が呼ばれるまでは 
       (= initialize が false であれば) 何もしない)
      ---------------------------------------- -}

      if (initialized) {

  {- -------------------------------------------
  (1) (assert)
      ---------------------------------------- -}

        assert(global_mut_owner == thr_self(), "must have correct owner");
        assert(global_mut_count > 0, "must have correct count");

  {- -------------------------------------------
  (1) ロックの再帰確保数をデクリメントする.
      もし確保数が 0 になったら, os::Solaris::mutex_unlock() でロックを解放する.
      ---------------------------------------- -}

        --global_mut_count;
        if (global_mut_count == 0) {
          global_mut_owner = -1;
          if (os::Solaris::mutex_unlock(&global_mut))
            fatal(err_msg("ThreadCritical::~ThreadCritical: mutex_unlock failed "
                          "(%s)", strerror(errno)));
        }

  {- -------------------------------------------
  (1) (assert)
      ---------------------------------------- -}

      } else {
        assert (Threads::number_of_threads() == 0, "valid only during initialization");
      }
    }