[systemd-bugs] [Bug 90015] Implement "needrestart" equivalent functionality

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90015

Lennart Poettering <lennart at poettering.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #1 from Lennart Poettering <lennart at poettering.net> ---
This cannot be implemented properly, since only a subset of dependencies on
files can be read from /proc (think dynamically loaded modules). And we will
not implement logic like you propose if it cannot hold the promise it makes and
only sees a small subset of the actual dependencies.

This has been requested before, and I know that DEbian used to implement this,
but I think it's a very wrong thing to rpovide, since it suggests to the admin
that it could comprehensively answer the question of restarting, but it
absolutely cannot.

And yeah, dynamically loaded modules are not the exception. FOr example,
glibc's own NSS uses that, or ICU, and everything else.

Sorry, this cannot work!

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