On St 11-05-05 19:20:47, Kirill Korotaev wrote:
> This patch fixes recalc_sigpending() to work correctly
> with tasks which are being freezed. The problem is that
> freeze_processes() sets PF_FREEZE and TIF_SIGPENDING
> flags on tasks, but recalc_sigpending() called from
> e.g. sys_rt_sigtimedwait or any other kernel place
> will clear TIF_SIGPENDING due to no pending signals queued
> and the tasks won't be freezed until it recieves a real signal
> or freezed_processes() fail due to timeout.
>
> Signed-Off-By: Kirill Korotaev <[email protected]>
> Signed-Off-By: Alexey Kuznetsov <[email protected]>
This should fix our problems with mysqld, right? Yes, patch looks good
(modulo missing whitespace around &)). I'll apply it to my tree. (Or
andrew, if you prefer, just take it...
Pavel
> --- ./kernel/signal.c.freezesigrec 2005-05-10 16:10:40.000000000 +0400
> +++ ./kernel/signal.c 2005-05-10 18:10:08.000000000 +0400
> @@ -212,6 +212,7 @@ static inline int has_pending_signals(si
> fastcall void recalc_sigpending_tsk(struct task_struct *t)
> {
> if (t->signal->group_stop_count > 0 ||
> + (t->flags&PF_FREEZE) ||
> PENDING(&t->pending, &t->blocked) ||
> PENDING(&t->signal->shared_pending, &t->blocked))
> set_tsk_thread_flag(t, TIF_SIGPENDING);
--
Boycott Kodak -- for their patent abuse against Java.
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