Messages in this thread | | | Subject | Re: kthread, signals and PF_FREEZE (suspend) | From | Christophe Saout <> | Date | Mon, 16 Feb 2004 18:12:05 +0100 |
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Am Mo, den 16.02.2004 schrieb Jamie Lokier um 17:53:
> Rusty Russell wrote: > > > That means that signal_pending() will return true for that process which > > > will make kthread stop the thread. > > > > Yes, the way they are currently coded. I had assumed that spurious > > signals do not occur. > > Yowch. Does suspend mean this warning in futex_wait is wrong? > > /* A spurious wakeup should never happen. */ > WARN_ON(!signal_pending(current)); > return -EINTR;
I just tried it on my notebook. It works, no warning.
I don't know how things work exactly. There is some stuff in the arch signal.c in do_signal that also handles PF_FREEZE.
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