Re: signalfd API issues (was Re: [PATCH/RFC] signal races/bugs, losing TIF_SIGPENDING and other woes)

[Jeff Dike]

On Thu, Jun 07, 2007 at 01:29:23PM +1000, Benjamin Herrenschmidt wrote:
> But you use ptrace and don't steal signals with dequeue_signal() on a
> live other task, which is ok.

True.  However, with an SMP UML running a threaded app (which is also
threads on the host), if the thread on one CPU gets a signal which
will be nullified (SIGTRAP, SIG*ALRM, later SIGSEGV) and the other
thread continues running, does that count as stealing a signal from
another live task?

				Jeff

-- 
Work email - jdike at linux dot intel dot com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/