Messages in this thread | | | Date | Thu, 7 Jun 2007 09:59:28 -0400 | From | Jeff Dike <> | Subject | Re: signalfd API issues (was Re: [PATCH/RFC] signal races/bugs, losing TIF_SIGPENDING and other woes) |
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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
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