--- sysvinit-2.86/src/killall5.c	2004-07-30 14:16:23.000000000 +0200
+++ b/src/killall5.c	2008-05-29 21:41:09.000000000 +0200
@@ -553,13 +553,28 @@
 	return(first ? 1 : 0);
 }
 
+pid_t getoid()
+{
+	PIDQ_HEAD	*q;
+	char		*s;
+
+	s = getenv("KILLALL5_OMITPID");
+
+	if (s == NULL)
+		return getpid();
+
+	if (((q = pidof(s)) != NULL) && !empty_q(q))
+		return q->head->proc->pid;
+
+	return getpid();
+}
 
 
 /* Main for either killall or pidof. */
 int main(int argc, char **argv)
 {
 	PROC		*p;
-	int		pid, sid = -1;
+	int		pid, oid = 0, sid = -1;
 	int		sig = SIGKILL;
 
 	/* Get program name. */
@@ -608,8 +623,9 @@
 	/* Now kill all processes except our session. */
 	sid = (int)getsid(0);
 	pid = (int)getpid();
+	oid = (int)getoid();
 	for (p = plist; p; p = p->next)
-		if (p->pid != pid && p->sid != sid && !p->kernel)
+		if (p->pid != oid && p->pid != pid && p->sid != sid && !p->kernel)
 			kill(p->pid, sig);
 
 	/* And let them continue. */