Fixes: NB#276265 - After SSU with build version 20.2011.32-0.REQ.759009, applications running in the background and foreground are crashing

RevBy: Pertti Kellomaki

debian/changelog

@@ -1,6 +1,6 @@
 applauncherd (1.0.4) unstable; urgency=low
 
-  * 
+  * Fixes: NB#276265 - After SSU with build version 20.2011.32-0.REQ.759009, applications running in the background and foreground are crashing
 
  -- Alexey Shilov <alexey.shilov@nokia.com>  Mon, 15 Aug 2011 11:30:49 +0300
 

src/launcherlib/daemon.cpp

@@ -765,16 +765,14 @@ void Daemon::killBoosters()
 
 void Daemon::setUnixSignalHandler(int signum, sighandler_t handler)
 {
-    struct sigaction *oldAct = new struct sigaction();
-    struct sigaction newAct;
+    sighandler_t old_handler = signal(signum, handler);
 
-    newAct.sa_handler = handler;
-    sigemptyset(&newAct.sa_mask);
-    newAct.sa_flags |= SA_RESTART;
-    if (sigaction(signum, &newAct, oldAct) == 0)
+    if (old_handler != SIG_ERR)
+    {
+        m_originalSigHandlers[signum] = old_handler;
+    } 
+    else 
     {
-        m_originalSigHandlers[signum] = oldAct;
-    } else {
         throw std::runtime_error("Daemon: Failed to set signal handler");
     }
 }
@@ -783,7 +781,7 @@ void Daemon::restoreUnixSignalHandlers()
 {
     for (SigHandlerMap::iterator it = m_originalSigHandlers.begin(); it != m_originalSigHandlers.end(); it++ )
     {
-        sigaction(it->first, it->second, NULL);
+        signal(it->first, it->second);
     }
 
     m_originalSigHandlers.clear();

src/launcherlib/daemon.h

@@ -232,7 +232,7 @@ private:
     SingleInstance * m_singleInstance;
 
     //! Original unix signal handlers are saved here
-    typedef map<int, struct sigaction*> SigHandlerMap;
+    typedef map<int, sighandler_t> SigHandlerMap;
     SigHandlerMap m_originalSigHandlers;
 
 #ifdef UNIT_TEST