Obviously, but the cases where the number of children is bounded below
1024 are rather frequent
>At least if you're only using the pipe to stop select() from blocking,
>you don't care about overflowing the pipe as there's no important
>information in there anyway.
sure, but then you have to put the pid/exit status somewhere else and
do some signal blocking/unblocking. In either case, it's portable,
which polling on /proc/pid isn't
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