X-Git-Url: https://git.madduck.net/etc/mailfilter.git/blobdiff_plain/5950d5c4e05d47338e97a80dfa0909bf9c870ee5..HEAD:/bin/resubmit-postponed-messages

diff --git a/bin/resubmit-postponed-messages b/bin/resubmit-postponed-messages
index 1ea3100..6846bde 100755
--- a/bin/resubmit-postponed-messages
+++ b/bin/resubmit-postponed-messages
@@ -6,5 +6,15 @@ TICKLER_QUEUE=$HOME/.maildir/.store
 
 DIR="${0%/*}"
 
+VAR=$HOME/.var/procmail
+ME="${0##*/}"
+LOCKFILE="$VAR/.$ME.lock"
+trap "rm -f $LOCKFILE" 0 1 2 3 4 5 6 7 8 10 11 12 13 14 15
+if ! lockfile -0 -r0 -l 3600 "$LOCKFILE" 2>/dev/null; then
+  echo "E: another $ME process is already running over that Maildir." >&2
+  trap - 0 1 2 3 4 5 6 7 8 10 11 12 13 14 15
+  exit 1
+fi
+
 "$DIR"/list-postponed-messages "$TICKLER_QUEUE" "$DELAYED_QUEUE" \
   | exec xargs "$DIR"/resubmit --list