[Bug libc/31736] ability to specify pidns (and probably other namespace types) in pidfd_spawn()

[adhemerval.zanella at linaro dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31736

Adhemerval Zanella <adhemerval.zanella at linaro dot org> changed:

           What    |Removed                     |Added
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                 CC|                            |adhemerval.zanella at linaro dot o
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--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot org> ---
The most straightforward API I can think of would be to add something like
POSIX_SPAWN_SETNEWPID_NS which internally will issue clone with
POSIX_SPAWN_SETSID and set_tid to 1.

If you need something more complex like the PID list support for CRIU, it would
require a more complex API (like a new posix_spawnattr_* get/set the PID list),
which I am not sure how useful would be outside CRIU context.

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