diff --git a/debian/changelog b/debian/changelog
index ae3c357..c808f0e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,12 +1,8 @@
-applauncherd (0.15.2) unstable; urgency=low
+applauncherd (0.15.1) unstable; urgency=low
 
+  * Changes: Launcher library exports only main()
   * Changes: Install /usr/bin/applauncherd.launcher to /usr/lib/libapplauncherd.so
              due to dh_strip problems and because it's not -pie.
-
- -- Jussi Lind <jussi.lind@nokia.com>  Mon, 22 Nov 2010 15:32:17 +0200
-
-applauncherd (0.15.1) stable; urgency=low
-
   * Changes: Added the "startup time from application grid" test 
   * Implemented: SWP#DUI-4282
 
diff --git a/src/launcherlib/CMakeLists.txt b/src/launcherlib/CMakeLists.txt
index ea5f03c..73e981a 100644
--- a/src/launcherlib/CMakeLists.txt
+++ b/src/launcherlib/CMakeLists.txt
@@ -3,6 +3,9 @@ include(${QT_USE_FILE})
 
 include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_HOME_DIRECTORY}/src/common)
 
+# Hide all symbols except the ones explicitly exported in the code (like main())
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
+
 # Set sources
 set(SRC appdata.cpp booster.cpp boosterfactory.cpp monitorbooster.cpp connection.cpp daemon.cpp mbooster.cpp logger.cpp main.cpp qtbooster.cpp wrtbooster.cpp)
 set(MOC_HDRS monitorbooster.h mbooster.h)
diff --git a/src/launcherlib/main.cpp b/src/launcherlib/main.cpp
index 91a2064..bd1dbe8 100644
--- a/src/launcherlib/main.cpp
+++ b/src/launcherlib/main.cpp
@@ -26,6 +26,8 @@
 #include <fcntl.h>
 #include <sys/file.h>
 
+#include <QtCore/QtGlobal>
+
 //! Signal handler to reap zombie processes
 void reapZombies(int)
 {
@@ -47,7 +49,7 @@ void exitLauncher(int)
 }
 
 //! Main function
-int main(int argc, char * argv[])
+Q_DECL_EXPORT int main(int argc, char * argv[])
 {
 
     // Open the log
diff --git a/tests/Harmattan/TestScripts/test-func-launcher.py b/tests/Harmattan/TestScripts/test-func-launcher.py
index a1a76c5..88dc4bc 100644
--- a/tests/Harmattan/TestScripts/test-func-launcher.py
+++ b/tests/Harmattan/TestScripts/test-func-launcher.py
@@ -78,6 +78,8 @@ class launcher_tests (unittest.TestCase):
     def tearDown(self):
         #teardown here
         print "Executing TearDown"
+        if get_pid('applauncherd') == None:
+            os.system('initctl start xsession/applauncherd')
 
     #Testcases
     def test_001_launcher_exist(self):
@@ -530,7 +532,85 @@ class launcher_tests (unittest.TestCase):
         p = run_app_as_user('invoker --type=m --no-wait spam_cake.launch')
         self.assert_(p.wait() != 0, "Found spam_cake.launch for some reason")
         kill_process('spam_cake')
+    
+    def test_booster_killed_or_restarted(self):
+        """
+        Test that boosters are killed if applauncherd is stopped
+        and restarted if applauncherd is killed
+        """
+        #get the pids of boosters and make sure they are running
+        qpid = get_pid('booster-q')
+        print "Pid of booster-q before killing :%s" %qpid
+        self.assert_(qpid != None, "No booster process running")
+
+        mpid = get_pid('booster-m')
+        print "Pid of booster-m before killing :%s" %mpid
+        self.assert_(mpid != None, "No booster process running")
+
+        wpid = get_pid('booster-w')
+        print "Pid of booster-w before killing :%s" %mpid
+        self.assert_(wpid != None, "No booster process running")
+
+        #stop applauncherd
+        os.system("initctl stop xsession/applauncherd")
+ 
+        #wait for the boosters to be killed 
+        time.sleep(2)
+
+        #check that the none of the booster is running
+        qpid_new = get_pid('booster-q')
+        print "Pid of booster-q after killing :%s" %qpid_new
+        self.assert_(qpid_new == None, "booster-q still running")
+        
+               
+        mpid_new = get_pid('booster-m')
+        print "Pid of booster-m after killing :%s" %mpid_new
+        self.assert_(mpid_new == None, "booster-m still running")
+
+        wpid_new = get_pid('booster-w')
+        print "Pid of booster-w after killing :%s" %wpid_new
+        self.assert_(wpid_new == None, "booster-w still running")
+
+        #Now start the applauncherd
+        os.system("initctl start xsession/applauncherd")
         
+        #wait for the boosters to be restarted
+        time.sleep(6)
+
+        #get the pids of boosters and make sure they are running
+        qpid = get_pid('booster-q')
+        print "Pid of booster-q before killing :%s" %qpid
+        self.assert_(qpid != None, "No booster process running")
+
+        mpid = get_pid('booster-m')
+        print "Pid of booster-m before killing :%s" %mpid
+        self.assert_(mpid != None, "No booster process running")
+
+        wpid = get_pid('booster-w')
+        print "Pid of booster-w before killing :%s" %mpid
+        self.assert_(wpid != None, "No booster process running")
+
+        #Now kill applauncherd
+        kill_process('applauncherd')
+        
+        #wait for the boosters to be restarted
+        time.sleep(6)
+        
+        #check that the new boosters are started
+        qpid_new = get_pid('booster-q')
+        print "Pid of booster-q after killing :%s" %qpid_new
+        self.assert_(qpid_new != None, "No booster process running")
+        self.assert_(qpid_new != qpid, "booster process was not killed")
+
+        mpid_new = get_pid('booster-m')
+        print "Pid of booster-m after killing :%s" %mpid_new
+        self.assert_(mpid_new != None, "No booster process running")
+        self.assert_(mpid_new != mpid, "booster process was not killed")
+            
+        wpid_new = get_pid('booster-w')
+        print "Pid of booster-w after killing :%s" %wpid_new
+        self.assert_(wpid_new != None, "No booster process running")
+        self.assert_(wpid_new != wpid, "booster process was not killed")
 
 
 # main
diff --git a/tests/Harmattan/bug-tests/tests.xml b/tests/Harmattan/bug-tests/tests.xml
index aa96086..6df9fb3 100644
--- a/tests/Harmattan/bug-tests/tests.xml
+++ b/tests/Harmattan/bug-tests/tests.xml
@@ -112,6 +112,11 @@
       <case name="kill-boosters" type="Functional" description="Test that booster is restarted if it is killed" timeout="360" level="System" insignificant="true">
           <step expected_result="0">source /tmp/session_bus_address.user; DISPLAY=:0 `pyversions -d` /usr/share/applauncherd-testscripts/test-func-launcher.py test_016_restart_booster</step>
       </case>
+
+      <case name="kill-applaunched-restart-booster" type="Functional" description="Test that booster is restarted if applauncherd is killed" timeout="360" level="System" insignificant="true">
+          <step expected_result="0">source /tmp/session_bus_address.user; DISPLAY=:0 `pyversions -d` /usr/share/applauncherd-testscripts/test-func-launcher.py test_booster_killed_or_restarted</step>
+      </case>
+
       <environments>
           <scratchbox>true</scratchbox>
           <hardware>true</hardware>    
diff --git a/tests/Meego/TestScripts/test-func-launcher.py b/tests/Meego/TestScripts/test-func-launcher.py
index bc207e4..e6ef8da 100644
--- a/tests/Meego/TestScripts/test-func-launcher.py
+++ b/tests/Meego/TestScripts/test-func-launcher.py
@@ -78,6 +78,8 @@ class launcher_tests (unittest.TestCase):
     def tearDown(self):
         #teardown here
         print "Executing TearDown"
+        if get_pid('applauncherd') == None:
+            os.system('initctl start xsession/applauncherd')
 
     #Testcases
     def test_001_launcher_exist(self):
@@ -530,7 +532,85 @@ class launcher_tests (unittest.TestCase):
         p = run_app_as_user('invoker --type=m --no-wait spam_cake.launch')
         self.assert_(p.wait() != 0, "Found spam_cake.launch for some reason")
         kill_process('spam_cake')
+    
+    def test_booster_killed_or_restarted(self):
+        """
+        Test that boosters are killed if applauncherd is stopped
+        and restarted if applauncherd is killed
+        """
+        #get the pids of boosters and make sure they are running
+        qpid = get_pid('booster-q')
+        print "Pid of booster-q before killing :%s" %qpid
+        self.assert_(qpid != None, "No booster process running")
+
+        mpid = get_pid('booster-m')
+        print "Pid of booster-m before killing :%s" %mpid
+        self.assert_(mpid != None, "No booster process running")
+
+        wpid = get_pid('booster-w')
+        print "Pid of booster-w before killing :%s" %mpid
+        self.assert_(wpid != None, "No booster process running")
+
+        #stop applauncherd
+        os.system("initctl stop xsession/applauncherd")
+ 
+        #wait for the boosters to be killed 
+        time.sleep(2)
+
+        #check that the none of the booster is running
+        qpid_new = get_pid('booster-q')
+        print "Pid of booster-q after killing :%s" %qpid_new
+        self.assert_(qpid_new == None, "booster-q still running")
+        
+               
+        mpid_new = get_pid('booster-m')
+        print "Pid of booster-m after killing :%s" %mpid_new
+        self.assert_(mpid_new == None, "booster-m still running")
+
+        wpid_new = get_pid('booster-w')
+        print "Pid of booster-w after killing :%s" %wpid_new
+        self.assert_(wpid_new == None, "booster-w still running")
+
+        #Now start the applauncherd
+        os.system("initctl start xsession/applauncherd")
         
+        #wait for the boosters to be restarted
+        time.sleep(6)
+
+        #get the pids of boosters and make sure they are running
+        qpid = get_pid('booster-q')
+        print "Pid of booster-q before killing :%s" %qpid
+        self.assert_(qpid != None, "No booster process running")
+
+        mpid = get_pid('booster-m')
+        print "Pid of booster-m before killing :%s" %mpid
+        self.assert_(mpid != None, "No booster process running")
+
+        wpid = get_pid('booster-w')
+        print "Pid of booster-w before killing :%s" %mpid
+        self.assert_(wpid != None, "No booster process running")
+
+        #Now kill applauncherd
+        kill_process('applauncherd')
+        
+        #wait for the boosters to be restarted
+        time.sleep(6)
+        
+        #check that the new boosters are started
+        qpid_new = get_pid('booster-q')
+        print "Pid of booster-q after killing :%s" %qpid_new
+        self.assert_(qpid_new != None, "No booster process running")
+        self.assert_(qpid_new != qpid, "booster process was not killed")
+
+        mpid_new = get_pid('booster-m')
+        print "Pid of booster-m after killing :%s" %mpid_new
+        self.assert_(mpid_new != None, "No booster process running")
+        self.assert_(mpid_new != mpid, "booster process was not killed")
+            
+        wpid_new = get_pid('booster-w')
+        print "Pid of booster-w after killing :%s" %wpid_new
+        self.assert_(wpid_new != None, "No booster process running")
+        self.assert_(wpid_new != wpid, "booster process was not killed")
 
 
 # main