Re: RFC: Using openat()

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On 2023/01/20 22:01:07 +1100, Craig Small wrote:
> Hi All,
>   I have a proposed patch where the library uses openat() for all open
> files below
> /proc/<PID>.  I think this is a reasonable idea as it means if a PID is
> reused you're not using half the old process and half the new process
> information.
>=20
> It's all internal so invisible to the calling programs, so its not an API
> change but it is a reasonably large patch.  The work is largely based upon
> https://gitlab.com/procps-ng/procps/-/merge_requests/120
>=20
> Let me know what you think.

Could be that libc already does this

 strace -e open,openat ps | & grep -v openat
   PID TTY          TIME CMD
  2564 pts/0    00:00:00 strace
  2565 pts/0    00:00:00 grep
  2568 pts/0    00:00:00 ps
 30701 pts/0    00:00:00 tcsh
 +++ exited with 0 +++


Werner

--=20
  "Having a smoking section in a restaurant is like having
          a peeing section in a swimming pool." -- Edward Burr

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