Re: [PATCH 2/5] pidfd: add pidfd_wait()
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From: Oleg Nesterov <oleg@redhat.com>
Date: 2019-07-25 10:16:32
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- 2019-07-25 · Re: [PATCH 2/5] pidfd: add pidfd_wait() · Eric W. Biederman <hidden>
On 07/24, Christian Brauner wrote:
quoted hunk ↗ jump to hunk
+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.