Robert Haas <[email protected]> writes:
> But what about timings vs. random other stuff? Like in this case
> there's a problem if the signal arrives before the memory update to
> latch->is_set becomes visible. I don't know what we need to do to
> guarantee that.
I don't believe there's an issue there. A context swap into the kernel
is certainly going to include msync. If you're afraid otherwise, you
could put an msync before the kill() call, but I think it's a waste of
effort.
regards, tom lane
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