On 12/24, Sukadev Bhattiprolu wrote:
>
> -static int sig_ignored(struct task_struct *t, int sig)
> +static int sig_task_ignored(struct task_struct *t, int sig)
> {
> void __user *handler;
>
> + handler = sig_handler(t, sig);
> +
> + if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
> + (handler == SIG_IGN || handler == SIG_DFL))
> + return 1;
> +
> + return sig_handler_ignored(handler, sig);
Well, really minor nit, but can't resist ;)
if we check both SIG_IGN and SIG_DFL, then why do we call
sig_handler_ignored() ? We can do
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE))
return handler == SIG_IGN || handler == SIG_DFL;
return sig_handler_ignored(handler, sig);
Or, we can do
if (unlikely(t->signal->flags & SIGNAL_UNKILLABLE) &&
handler == SIG_DFL)
return 1;
return sig_handler_ignored(handler, sig);
because sig_handler_ignored() checks SIG_IGN too.
Of course, this is a matter of taste only...
Oleg.
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