Andrew Dunstan writes:I suspect we are both wrong :-) These structures aren't used in any hashed structure that I can see, but the effect of the MemSet is to zero out the it_interval value of the itimer, making sure the timer is a "one shot" timer - so they are necessary after all, but for a different reason (it's been a while since I used setitimer, and the man page is less than a model of clarity).
And looking at it even closer, 2 of the 3 cases of calling MemSet appear
to be unnecessary, as the zeroed out values are immediately overwritten.
We need to zero out the holes in the structures so that hash functions work correctly.Advertising
cheers
andrew
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