tree 26ae0523d9502a1e692ebf846e248d84ab37cff1
parent 18590cd21ed25d77f57a26c9989c735fb7f4cbc8
author Maxim Dounin <mdounin@mdounin.ru> 1355157332 +0000
committer Maxim Dounin <mdounin@mdounin.ru> 1355157332 +0000

Merge of r4915, r4916, r4917: upstream minor fixes.

*) Upstream: honor the "down" flag for a single server.

   If an upstream block was defined with the only server marked as
   "down", e.g.

       upstream u {
           server 127.0.0.1:8080 down;
       }

   an attempt was made to contact the server despite the "down" flag.
   It is believed that immediate 502 response is better in such a
   case, and it's also consistent with what is currently done in case
   of multiple servers all marked as "down".

*) Upstream: better detection of connect() failures with kqueue.

   Pending EOF might be reported on both read and write events, whichever
   comes first, so check both of them.

   Patch by Yichun Zhang (agentzh), slightly modified.