Refactored Acceptor code to allow multiple acceptors to be present in the broker

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@649689 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 12 insertions, 3 deletions

diff --git a/cpp/src/qpid/Plugin.cpp b/cpp/src/qpid/Plugin.cpp
index d38b53a56e..77627c3742 100644
--- a/cpp/src/qpid/Plugin.cpp
+++ b/cpp/src/qpid/Plugin.cpp
@@ -22,11 +22,20 @@
 
 namespace qpid {
 
-Plugin::Plugins Plugin::plugins;
+namespace {
+// This is a single threaded singleton implementation so
+// it is important to be sure that the first use of this
+// singleton is when the program is still single threaded
+Plugin::Plugins& thePlugins() {
+    static Plugin::Plugins plugins;
+
+    return plugins;
+}
+}
 
 Plugin::Plugin() {
     // Register myself.
-    plugins.push_back(this);
+    thePlugins().push_back(this);
 }
 
 Plugin::~Plugin() {}
@@ -34,7 +43,7 @@ Plugin::~Plugin() {}
 Options*  Plugin::getOptions() { return 0; }
 
 const Plugin::Plugins& Plugin::getPlugins() {
-    return plugins;
+    return thePlugins();
 }
 
 } // namespace qpid