Containing information about the lock operation ,它包含有关锁定操作的信息。
When only the main thread exists , no lock operations are needed 只有一个主线程的时候,不需要锁操作。
The transaction id is primarily used to identify the transaction in locking operations 事务id主要用于在锁定操作中标识事务。
However , they add significant flexibility to this model by modifying the typical check - in checkout file locking operations to give you an 通过修改特定的check - in / checkout文件锁定操作以使您能够进行
Applications should use this flag when they have additional information about the set of regions changed during the lock operation 当应用程序在锁定操作期间更改了关于一组区域的附加信息时,该应用程序应使用此标志。