On 11/08/2012 12:44 PM, Oleg Nesterov wrote: > On 11/08, Pedro Alves wrote:
>> If this isn't inherited by the ptrace child's children, a fork child can >> end up detached if the tracer dies before it had a chance of setting >> the PTRACE_O_EXITKILL on the new auto-attached child. > > It is copied like the other options. Oh, you're right. I got confused - GDB has code to always set options on the fork children after PTRACE_EVENT_(V)FORK. Dunno where that came from. >> Which sounds like another argument for PTRACE_O_INHERIT, as in: >> http://sourceware.org/ml/archer/2011-q1/msg00026.html > > The point of PTRACE_O_INHERIT would be to attach newly-created threads > and > children without causing an event stop and the attendant overhead. > > this is another thing, I guess. Yes, yes. -- Pedro Alves -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
