A latch wait occurs when a latch request cannot be granted immediately, because the latch is held by another thread in a conflicting mode. 由于闩锁由冲突模式中的另一个线程持有,所以当无法立即满足闩锁请求时,就会发生闩锁等待。
The value of width can be acquired ingeniously by using duplex latch mode while there is a hole defect in the steel plate. 用两次锁存法可巧妙地提取有孔洞缺陷时的板宽值。