| Date | Thu, 25 Jul 2019 12:16:27 +0200 | From | Oleg Nesterov <> | Subject | Re: [PATCH 2/5] pidfd: add pidfd_wait() |
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On 07/24, Christian Brauner wrote: > > +SYSCALL_DEFINE6(pidfd_wait, int, pidfd, int __user *, stat_addr, > + siginfo_t __user *, info, struct rusage __user *, ru, > + unsigned int, states, unsigned int, flags) > +{
Oh, I too think that P_PIDFD makes more sense.
and could you explain in the changelog why? I am not arguing and if nothing else this is consistent with other pidfd features, but if you are parent/debugger you can't hit the problem with pid-reuse, unless you races with your sub-threads.
Oleg.
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