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Synchronized 的实现机制 #89

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tbfungeek opened this issue Feb 13, 2020 · 0 comments
Open

Synchronized 的实现机制 #89

tbfungeek opened this issue Feb 13, 2020 · 0 comments

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@tbfungeek
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Synchronized 在加锁的时候会使用传入对象的地址作为哈希值，查找到它的SyncData(包含传入对象和一个递归锁的结构体)并加锁，在解锁的时候查找合适的 SyncData 并将其解锁。Synchronized在使用的时候不能将nil对象作为传入对象，但是可以允许在Synchronized范围内传入对象的值变成nil
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