ITIMER_REAL: convert to use struct pid
[linux-2.6-block.git] / fs / exec.c
index be923e4bc38972954325aee09363cb38bff60884..927a7c5ef4af9dac029e895fd0d38fa0a5f446be 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -782,26 +782,8 @@ static int de_thread(struct task_struct *tsk)
        zap_other_threads(tsk);
        read_unlock(&tasklist_lock);
 
-       /*
-        * Account for the thread group leader hanging around:
-        */
-       count = 1;
-       if (!thread_group_leader(tsk)) {
-               count = 2;
-               /*
-                * The SIGALRM timer survives the exec, but needs to point
-                * at us as the new group leader now.  We have a race with
-                * a timer firing now getting the old leader, so we need to
-                * synchronize with any firing (by calling del_timer_sync)
-                * before we can safely let the old group leader die.
-                */
-               sig->tsk = tsk;
-               spin_unlock_irq(lock);
-               if (hrtimer_cancel(&sig->real_timer))
-                       hrtimer_restart(&sig->real_timer);
-               spin_lock_irq(lock);
-       }
-
+       /* Account for the thread group leader hanging around: */
+       count = thread_group_leader(tsk) ? 1 : 2;
        sig->notify_count = count;
        while (atomic_read(&sig->count) > count) {
                __set_current_state(TASK_UNINTERRUPTIBLE);