Various cleanups in zmqnotificationinterface.

This is a pure refactoring of zmqnotificationinterface to make the
code easier to read and maintain.  It replaces explicit iterators
with C++11 for-each loops where appropriate and uses std::unique_ptr
to make memory ownership more explicit.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/zmq/zmqpublishnotifier.cpp b/src/zmq/zmqpublishnotifier.cpp
index e2431cbbb7..aaef12ebcf 100644
--- a/src/zmq/zmqpublishnotifier.cpp
+++ b/src/zmq/zmqpublishnotifier.cpp
@@ -10,6 +10,14 @@
 #include <util/system.h>
 #include <rpc/server.h>
 
+#include <zmq.h>
+
+#include <cstdarg>
+#include <cstddef>
+#include <map>
+#include <string>
+#include <utility>
+
 static std::multimap<std::string, CZMQAbstractPublishNotifier*> mapPublishNotifiers;
 
 static const char *MSG_HASHBLOCK = "hashblock";