On Sun, 20 May 2007, Andrew Morton wrote: > If 'count' is not a multiple of sizeof(struct signalfd_siginfo)), the read() > will return the next smallest multiple of `count'. > > That is, unless `count' happens to be less than 1*sizeof(struct > signalfd_siginfo)), in which case we return -EINVAL. > > This seems inconsistent.
I think it fits the rule "buffer must be big enough for at least one sigingo". We use the special return 0; as indicator that the process we were monitoring signals, detached the sighand. > Also, I'm desperately hunting for the place where we zero out that local > siginfo_t, and I ain't finding it. Someone please convince me that we're > not leaking bits of kernel memory out to userspace in that thing. Hmm, __clear_user()? - Davide - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
