set up list of jobs the backend instance should skip

lib/App/Netdisco/JobQueue.pm

@@ -13,6 +13,7 @@ our @EXPORT_OK = qw/
   jq_getsomep
   jq_locked
   jq_queued
+  jq_prime_skiplist
   jq_log
   jq_userlog
   jq_lock
@@ -57,6 +58,12 @@ Netdisco job instance interface (see below).
 Returns a list of IP addresses of devices which currently have a job of the
 given C<$job_type> queued (e.g. C<discover>, C<arpnip>, etc).
 
+=head2 jq_prime_skiplist()
+
+Sets up a table of hints for the backend daemon manager to help avoid picking
+jobs from the queue that it cannot process due to C<*_no> configuration
+settings.
+
 =head2 jq_log()
 
 Returns a list of the most recent 50 jobs in the queue. Jobs are returned as