file locking

基本解释

Some provide file locking to prevent concurrent access.
有些提供了文件锁来防止多个用户的并行访问。
The HA function for the transaction service uses network file locking, and different file systems have different file locking behaviors.
事务服务的 HA 功能使用网络文件锁定，且不同的文件系统有不同的文件锁定操作。
However, they add significant flexibility to this model by modifying the typical check-in/checkout file locking operations to give you an unreserved checkout operation.
通过修改特定的 check-in/checkout 文件锁定操作以使您能够进行无限制（unreserved）的检出操作，这使此模块中增加了很大的灵活性。