From 2ee280cfa4d6aaed243d0f994b201c9ac75925f0 Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Thu, 26 Nov 2015 15:23:57 +0100
Subject: [PATCH] EMFILE was (out of filedescriptors, too many open files) was
 reported as an error that could be blamed on the remote nameserver instead of
 on the OS, causing throttle actions.

---
 pdns/pdns_recursor.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pdns/pdns_recursor.cc b/pdns/pdns_recursor.cc
index 886a959cc..4538e398d 100644
--- a/pdns/pdns_recursor.cc
+++ b/pdns/pdns_recursor.cc
@@ -353,12 +353,12 @@ public:
   typedef set<int> socks_t;
   socks_t d_socks;
 
-  // returning -1 means: temporary OS error (ie, out of files), -2 means OS error
+  // returning -2 means: temporary OS error (ie, out of files), -1 means error related to remote
   int getSocket(const ComboAddress& toaddr, int* fd)
   {
     *fd=makeClientSocket(toaddr.sin4.sin_family);
     if(*fd < 0) // temporary error - receive exception otherwise
-      return -1;
+      return -2;
 
     if(connect(*fd, (struct sockaddr*)(&toaddr), toaddr.getSocklen()) < 0) {
       int err = errno;
-- 
2.40.0