Messages in this thread | | | Subject | Re: [BUG] ptraced process waiting on syscall may return kernel internal errnos | From | Benjamin Herrenschmidt <> | Date | Thu, 07 Jun 2007 13:25:24 +1000 |
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On Wed, 2007-06-06 at 08:35 -0700, Linus Torvalds wrote: > > So I think that the *right* place to clear TIF_SIGPENDING is actually in > "get_signal_to_deliver()", because that function is called _only_ by the > actual per-architecture "I'm going to deliver a signal now".
That was my initial idea but it has an issue with kernel threads :-( There are in kernel thingies that use signals to a certain extend and rely on being able to dequeue and/or clear sigpending (or else they just loop instead of waiting in various loops).
A bit of a can of worms if you ask me.
Ben.
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