From: Aki Tuomi <cmouse@cmouse.fi>
Date: Mon, 5 Oct 2015 18:30:21 +0000 (+0300)
Subject: Exit gracefully if distributor-threads is less than 1
X-Git-Tag: dnsdist-1.0.0-alpha1~248^2~16^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0469c6ed5e09fa1284934a2cfa08bcf82123be6f;p=thirdparty%2Fpdns.git

Exit gracefully if distributor-threads is less than 1
---

diff --git a/pdns/distributor.hh b/pdns/distributor.hh
index f431aabe56..02f668f7d7 100644
--- a/pdns/distributor.hh
+++ b/pdns/distributor.hh
@@ -147,6 +147,11 @@ template<class Answer, class Question, class Backend>MultiThreadDistributor<Answ
     d_pipes.push_back({fds[0],fds[1]});
   }
   
+  if (n<1) {
+    L<<Logger::Error<<"Asked for less than 1 threads, nothing to do"<<endl;
+    exit(0);
+  }
+
   L<<Logger::Warning<<"About to create "<<n<<" backend threads for UDP"<<endl;
   for(int i=0;i<n;i++) {
     pthread_create(&tid,0,&makeThread,static_cast<void *>(this));