--- startpar.c	2009-03-25 16:16:59.308479056 +0100
+++ startpar.c	2009-03-25 16:52:25.357391610 +0100
@@ -85,6 +85,19 @@
 static int pidpipe[2];
 static double iorate = 800.0;
 
+void sighandler_nopreload(int x)
+{
+    (void)x;
+    ispreload = NoPreload;
+}
+
+
+void sighandler_preload(int x)
+{
+    (void)x;
+    ispreload = Preload;
+}
+
 void *xcalloc(size_t nmemb, size_t size)
 {
   void *r;
@@ -253,14 +266,14 @@
     return par;
 
   /* if we have preload running, we expect I/O not to be a problem */
-  if (ispreload == Preload)
+  if (ispreload != NoPreload)
     prcs_blked = 0;
 
   newpar  = (par*numcpu) - prcs_run + 1; 	/* +1 for startpar its self */
   newpar -= (int)(((double)prcs_blked)*iorate);	/* I/O load reduction */
 
 #if DEBUG
-  fprintf(stderr, "checksystem par=%d newpar=%d (prcs_run=%u) %ld\n", par, newpar, prcs_run, time(0));
+  fprintf(stderr, "checksystem par=%d newpar=%d (prcs_run=%lu) %ld\n", par, newpar, prcs_run, time(0));
   dump_status();
 #endif
   if (newpar <= 0)
@@ -284,6 +297,7 @@
 void run(struct prg *p)
 {
   char *m = 0;
+  pid_t parent = getpid();
 
   p->len = 0;
   p->pid = (pid_t)0;
@@ -368,7 +382,8 @@
 	  t = connect(s, (struct sockaddr *)&remote, len);
 	  if (t != -1) 
 	    {
-	      ispreload = Preload;
+	      if (ispreload != Preload)
+		kill(parent, SIGUSR1);
 	      send(s, p->name, strlen(p->name), 0);
 	      recv(s, str, 100, 0);
 	    } 
@@ -379,7 +394,7 @@
 	       * In case we can't connect to it later, it means it did
 	       * its job and we can guess I/O is no longer a problem. 
 	       */
-	      ispreload = NoPreload;
+	      kill(parent, SIGUSR2);
 	    }
 	  close(s);
 	}
@@ -601,6 +616,9 @@
   char *run_level = getenv("RUNLEVEL");
   char *splashopt = 0;
 
+  (void)signal(SIGUSR1, sighandler_preload);
+  (void)signal(SIGUSR2, sighandler_nopreload);
+
   (void)signal(SIGCHLD, SIG_DFL);
   numcpu = sysconf(_SC_NPROCESSORS_ONLN);
   myname = argv[0];