[PATCH 3/3] signals: change do_signal_stop/do_sigaction to use while_each_thread()

Oleg Nesterov
2013-11-22T19:17:23Z

Change do_signal_stop() and do_sigaction() to avoid next_thread()
and use while_each_thread() instead.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
---
kernel/signal.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index ded28b9..086071d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2047,8 +2047,8 @@ static bool do_signal_stop(int signr)
if (task_set_jobctl_pending(current, signr | gstop))
sig->group_stop_count++;

- for (t = next_thread(current); t != current;
- t = next_thread(t)) {
+ t = current;
+ while_each_thread(current, t) {
/*
* Setting state to TASK_STOPPED for a group
* stop is always done with the siglock held,
@@ -3125,8 +3125,7 @@ int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
rm_from_queue_full(&mask, &t->signal->shared_pending);
do {
rm_from_queue_full(&mask, &t->pending);
- t = next_thread(t);
- } while (t != current);
+ } while_each_thread(current, t);
}
}

--
1.5.5.1