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SubjectRe: [PATCH v7 2/2] selftests: add tests for pidfd_send_signal()
On Tue, Jan 08, 2019 at 10:53:06AM -0700, Tycho Andersen wrote:
> On Wed, Jan 02, 2019 at 05:16:54PM +0100, Christian Brauner wrote:
> > + /*
> > + * Stop the child so we can inspect whether we have
> > + * recycled pid PID_RECYCLE.
> > + */
> > + close(pipe_fds[0]);
> > + ret = kill(recycled_pid, SIGSTOP);
> > + close(pipe_fds[1]);
> > + if (ret) {
> > + (void)wait_for_pid(recycled_pid);
> > + _exit(PIDFD_ERROR);
> > + }
>
> Sorry for being late to the party, but I wonder if this whole thing
> couldn't be simplified with /proc/sys/kenrel/ns_last_pid?

no, bc it's not namespaced :)

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