Re: How to do atomic read?
- From: "Alexander Grigoriev" <alegr@xxxxxxxxxxxxx>
- Date: Wed, 20 Jun 2007 06:11:22 -0700
<0dbell@xxxxxxxxx> wrote in message
news:1182342432.384995.41330@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
But, in case I am not seeing the obvious, what's wrong with:
LONG asignee = InterlockedExchange(&var, var);
First, it's NOT atomic. There is a window for change. This IS atomic:
LONG asignee = InterlockedCompareExchange(&var, 0, 0);
.
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