Create a scheduler thread for lightweight tasks

src/qt/bitcoin.cpp

@@ -26,6 +26,7 @@
 #include "init.h"
 #include "main.h"
 #include "rpcserver.h"
+#include "scheduler.h"
 #include "ui_interface.h"
 #include "util.h"
 
@@ -178,6 +179,7 @@ signals:
 
 private:
     boost::thread_group threadGroup;
+    CScheduler scheduler;
 
     /// Pass fatal exception message to UI thread
     void handleRunawayException(const std::exception *e);
@@ -258,7 +260,7 @@ void BitcoinCore::initialize()
     try
     {
         qDebug() << __func__ << ": Running AppInit2 in thread";
-        int rv = AppInit2(threadGroup);
+        int rv = AppInit2(threadGroup, scheduler);
         if(rv)
         {
             /* Start a dummy RPC thread if no RPC thread is active yet