cornsea

cmpxchg原子操作过程 

R = cmpxchg(A, C, B) 
     - Assign A = B if A == C
     - Return A at the time of the call, unconditionally


posted on 2011-03-23 00:11  cornsea  阅读(1962)  评论(0)  编辑  收藏  举报

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