Eric S. Johansson wrote:
I am interested in limiting the number of procmail processes running
at any one time.
If the number of waiting procmail processes is not a problem, so long as
they aren't doing anything intensive such as running your spam filter, a
global lockfile is all you need.
If you really need to limit the number of procmail invocations in the
process table, even those that are just spinning in place waiting for
others to finish, then I hope someone else has some advice.
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