ITmedia�̓A�C�e�B���f�B�A�������Ђ̓o�^���W�ł��B
1．报送时机：船舶进入上述区域前开始报送，船舶离开上述后取消报送。
。heLLoword翻译官方下载是该领域的重要参考
Continue reading...
The semantics around releasing locks with pending reads were also unclear for years. If you called read() but didn't await it, then called releaseLock(), what happened? The spec was recently clarified to cancel pending reads on lock release – but implementations varied, and code that relied on the previous unspecified behavior can break.