Run feed() sequentially otherwise we can end up with a lot of forks. - pkgsrc-localpatches - leot's pkgsrc LOCALPATCHES
 (HTM) hg clone https://bitbucket.org/iamleot/pkgsrc-localpatches
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 (DIR) changeset 5a12eca05580278397ba48b503bdf26fd2a2acc9
 (DIR) parent 48ca45f4a6e1e36a422a78f15da1dbd9f9414d0f
 (HTM) Author: Leonardo Taccari <iamleot@gmail.com>
       Date:   Mon, 10 Sep 2018 16:25:55 
       
       Run feed() sequentially otherwise we can end up with a lot of forks.
       
       Diffstat:
        news/sfeed/patch-sfeed_update |  15 +++++++++++++++
        1 files changed, 15 insertions(+), 0 deletions(-)
       ---
       diff -r 48ca45f4a6e1 -r 5a12eca05580 news/sfeed/patch-sfeed_update
       --- /dev/null   Thu Jan 01 00:00:00 1970 +0000
       +++ b/news/sfeed/patch-sfeed_update     Mon Sep 10 16:25:55 2018 +0200
       @@ -0,0 +1,15 @@
       +$NetBSD$
       +
       +Run feed() sequentially.
       +
       +--- sfeed_update.orig  2018-09-08 13:00:06.000000000 +0000
       ++++ sfeed_update
       +@@ -94,7 +94,7 @@ feed() {
       +               else
       +                       merge "/dev/null" "${tmpfeedfile}" > "${sfeedfile}"
       +               fi
       +-      fi) &
       ++      fi)
       + }
       + 
       + interrupted() {