该策略用于确定锁住帐户前允许登录失败的次数。

The policy is used to determine the number of failed log-in attempts before the account is locked.

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在锁住信号量到释放信号量之间，要仔细考虑执行的代码量、执行的操作类型、发出的函数调用和循环次数。

After securing the lock, remain aware of the amount of code executed, the type of operations performed, the function calls made, and the amount of looping until releasing the lock.

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