Identifying architecture-specific changes such as mutex locking.

确定特定体系结构的变化，比如互斥锁定(mutex locking)。

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Locking occurs on two levels (see Listing 7) : The list has a read-write lock, while individual nodes contain a mutex.

在两个级别上执行锁定(见清单7)：链表有一个读写锁，各个节点包含一个互斥锁。

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Once you have it, no one can take it away from you until you put it down. The process of picking up the unique object is called locking, or acquiring, the mutex.

占有这个惟一物体的过程就叫做锁定或者获得互斥量。

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