diff options
| author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-02 13:39:09 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-02 13:39:09 +0100 |
| commit | d2f6409584e2c62ffad81690562330ff3bf4a458 (patch) | |
| tree | 3bdfb97d0b51be2f7f414f2107e97603c1206abb /kernel/itimer.c | |
| parent | e1b09eba2686eca94a3a188042b518df6044a3c1 (diff) | |
| parent | 4a89a04f1ee21a7c1f4413f1ad7dcfac50ff9b63 (diff) | |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'kernel/itimer.c')
| -rw-r--r-- | kernel/itimer.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/itimer.c b/kernel/itimer.c index 1dc988e0d2c7..a72cb0e5aa4b 100644 --- a/kernel/itimer.c +++ b/kernel/itimer.c @@ -153,11 +153,15 @@ int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue) switch (which) { case ITIMER_REAL: +again: spin_lock_irq(&tsk->sighand->siglock); interval = tsk->signal->it_real_incr; val = it_real_value(tsk->signal); - if (val) - del_timer_sync(&tsk->signal->real_timer); + /* We are sharing ->siglock with it_real_fn() */ + if (try_to_del_timer_sync(&tsk->signal->real_timer) < 0) { + spin_unlock_irq(&tsk->sighand->siglock); + goto again; + } tsk->signal->it_real_incr = timeval_to_jiffies(&value->it_interval); it_real_arm(tsk, timeval_to_jiffies(&value->it_value)); |