Hi, Apologies if this is an area which has been covered somewhere, but my google skills don't seem to have uncovered it.
I am working with the pfil interface and use pfil_add_hook to process or drop a number of packets. However as my test equipment is only single processor I have been unable to test in an SMP environment. So, the crux of my query is... Does the SMP setup in FreeBSD 6.x & 7.x, leave the possibility that the two instances of the function named in the pfil_add_hook call, may be running at once? Or is there some kind of locking which prevents this? My reason for asking is that there is a state table which I do not want altering in two places at once, and so I will impliment internal locks. (If possible I'd appreciate being CC'd on replies as I'm not currently subscribed). Many thanks Lee -- Lee Brotherston - <[EMAIL PROTECTED]>
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