Fix secondary thread termination

This resolves the remainder of Bug 1467
(part of the original commit)
(cherry picked from commit edf3004ec3)

kdesktop/lock/lockprocess.cc

@@ -362,18 +362,20 @@ void LockProcess::init(bool child, bool useBlankOnly)
     connect(&mSuspendTimer, TQT_SIGNAL(timeout()), TQT_SLOT(suspend()));
 
 #ifdef HAVE_DPMS
-    if (mDPMSDepend) {
+    //if the user  decided that the screensaver should run independent from
+    //dpms, we shouldn't check for it, aleXXX
+    if (KDesktopSettings::dpmsDependent()) {
         BOOL on;
         CARD16 state;
-        DPMSInfo(qt_xdisplay(), &state, &on);
+        if (DPMSInfo(qt_xdisplay(), &state, &on)) {
-        if (on)
+            if (on) {
-        {
                 connect(&mCheckDPMS, TQT_SIGNAL(timeout()), TQT_SLOT(checkDPMSActive()));
                 // we can save CPU if we stop it as quickly as possible
                 // but we waste CPU if we check too often -> so take 10s
                 mCheckDPMS.start(10000);
             }
         }
+    }
 #endif
 
 #if (QT_VERSION-0 >= 0x030200) // XRANDR support
@@ -836,12 +838,6 @@ void LockProcess::configure()
         mAutoLogoutTimerId = startTimer(mAutoLogoutTimeout * 1000); // in milliseconds
     }
 
-#ifdef HAVE_DPMS
-    //if the user  decided that the screensaver should run independent from
-    //dpms, we shouldn't check for it, aleXXX
-    mDPMSDepend = KDesktopSettings::dpmsDependent();
-#endif
-
     mPriority = KDesktopSettings::priority();
     if (mPriority < 0) mPriority = 0;
     if (mPriority > 19) mPriority = 19;

kdesktop/lock/lockprocess.h

@@ -151,7 +151,6 @@ private:
     bool        mSuspended;
     TQTimer      mSuspendTimer;
     bool        mVisibility;
-    bool        mDPMSDepend;
     TQTimer      mCheckDPMS;
     TQValueStack< TQWidget* > mDialogs;
     bool        mRestoreXF86Lock;