From: Oleg Nesterov <oleg@tv-sign.ru>
To: John Blackwood <john.blackwood@ccur.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Roland McGrath <roland@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] [PATCH] selective signal ptracing
Date: Sat, 16 Jun 2007 13:24:15 +0400 [thread overview]
Message-ID: <20070616092415.GA130@tv-sign.ru> (raw)
John Blackwood wrote:
>
> By default all signals are ptraced as before. However, a debugger
> may now modify the set of per-task ptraced signals, where only the
> signals in this ptrace signal mask will be ptraced.
I must admit, I agree with Roland...
> +void ptrace_update_traced_signals(struct task_struct *child,
> + sigset_t *new_smaskp)
> +{
> [...snip...]
> +
> + spin_lock_irqsave(&child->sighand->siglock, flags);
> +
> + if (child->sighand == NULL) {
How so?
Oleg.
next reply other threads:[~2007-06-16 9:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-16 9:24 Oleg Nesterov [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-06-18 19:24 [RFC] [PATCH] selective signal ptracing John Blackwood
2007-06-15 14:32 John Blackwood
2007-06-15 19:42 ` Roland McGrath
2007-06-15 23:26 ` Alan Cox
2007-06-15 23:39 ` Roland McGrath
2007-06-17 0:11 ` Benjamin Herrenschmidt
2007-06-17 1:29 ` Roland McGrath
2007-06-18 13:15 ` Josh Boyer
2007-06-19 1:15 ` Benjamin Herrenschmidt
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