external synchronization meaning in English

外同步

Trigger for external synchronization
触发器为外在同步
Thread - hostile classes are those that cannot be rendered safe to use concurrently , regardless of what external synchronization is invoked
线程对立类是那些不管是否调用了外部同步都不能在并发使用时安全地呈现的类。
Central to this classification system is whether or not a caller can or must surround operations - or sequences of operations - with external synchronization
这种分类系统的核心是调用者是否可以或者必须用外部同步包围操作(或者一系列操作) 。
By documenting that a class is thread - hostile , you inform users that they cannot use the class safely from multiple threads , even with external synchronization
通过将类记录为线程对立的，您就告知用户即使使用了外部同步，他们也不能在多线程中安全地使用这个类。
" conditionally thread - safe classes are those for which each individual operation may be thread - safe , but certain sequences of operations may require external synchronization
有条件的线程安全类对于单独的操作可以是线程安全的，但是某些操作序列可能需要外部同步。

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