Messages in this thread | | | Date | Wed, 17 Apr 2019 15:16:03 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH] signal: don't silently convert SI_USER signals to non-current pidfd |
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On 04/17, Christian Brauner wrote: > > On Mon, Apr 08, 2019 at 03:13:16PM +0200, Oleg Nesterov wrote: > > > > but perhaps it should always fail, even if task_pid(current) == pid. > > > > sys_rt_sigqueueinfo() allows to send any siginfo to yourself, but this is only needed > > for checkpoint/restart. > > Yes, that's why this was added. I would leave it in exactly because of > checkpoint/restart.
I don't understand...
c/r doesn't need this "feature" in pidfd_send_signal(), so it can be removed. But,
> I have sympathies for "this [...] project by various > mad Russians" [1] and it doesn't really hurt us. :)
I won't argue, I agree it doesn't hurt and looks consistent with sys_rt_sigqueueinfo.
Oleg.
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