From 672f21d6c15e5443b2dc37d52eb6de78bf210f04 Mon Sep 17 00:00:00 2001
From: Pavel Boldin <boldin.pavel@gmail.com>
Date: Wed, 11 Sep 2013 19:47:03 +0400
Subject: [PATCH] bind-add-zone: lock reworked. caller of createDomain have to
 take lock

---
 pdns/backends/bind/bindbackend2.cc | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/pdns/backends/bind/bindbackend2.cc b/pdns/backends/bind/bindbackend2.cc
index c6cd303ff9..1152cc2c9f 100644
--- a/pdns/backends/bind/bindbackend2.cc
+++ b/pdns/backends/bind/bindbackend2.cc
@@ -542,6 +542,9 @@ string Bind2Backend::DLAddDomainHandler(const vector<string>&parts, Utility::pid
   if(getState()->name_id_map.count(domainname))
     return "Already loaded";
 
+  // Interference with loadConfig() and createSlaveDomain(), use locking
+  Lock l(&s_state_lock);
+
   Bind2Backend bb2;
   BB2DomainInfo& bbd = bb2.createDomain(domainname, filename);
 
@@ -551,10 +554,7 @@ string Bind2Backend::DLAddDomainHandler(const vector<string>&parts, Utility::pid
   bbd.d_lastcheck=0;
   bbd.d_status="parsing into memory";
           
-  {
-    Lock l(&s_state_lock);
-    s_state->name_id_map[bbd.d_name]=bbd.d_id;
-  }
+  s_state->name_id_map[bbd.d_name]=bbd.d_id;
 
   L<<Logger::Warning<<"Zone "<<domainname<< " loaded"<<endl;
 
@@ -1333,9 +1333,6 @@ bool Bind2Backend::superMasterBackend(const string &ip, const string &domain, co
 
 BB2DomainInfo &Bind2Backend::createDomain(const string &domain, const string &filename)
 {
-  // Interference with loadConfig(), use locking
-  Lock l(&s_state_lock);
-
   int newid=1;
   // Find a free zone id nr.  
   
@@ -1378,14 +1375,14 @@ bool Bind2Backend::createSlaveDomain(const string &ip, const string &domain, con
   c_of << "};" << endl;
   c_of.close();
 
+  // Interference with loadConfig() and DLAddDomainHandler(), use locking
+  Lock l(&s_state_lock);
+
   BB2DomainInfo &bbd = createDomain(canonic(domain), filename);
 
   bbd.d_masters.push_back(ip);
   
-  {
-    Lock l(&s_state_lock);
-    s_state->name_id_map[bbd.d_name] = bbd.d_id;
-  }
+  s_state->name_id_map[bbd.d_name] = bbd.d_id;
 
   return true;
 }
-- 
2.47.2