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NEWS: note about reexec on update, for sd-executor

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Luca Boccassi 2023-11-22 18:04:08 +00:00
parent 60142662a4
commit 054042f8e1
1 changed files with 5 additions and 1 deletions
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NEWS
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@ -68,7 +68,11 @@ CHANGES WITH 255 in spe:
semantics via posix_spawn(3), and it immediately execs a new internal
binary, systemd-executor, that receives the configuration to apply
via memfd, and sets up the process before exec'ing the target
executable.
executable. The systemd-executor binary is pinned by file descriptor
by each manager instance (system and users), and the reference is
updated on daemon-reexec - it is thus important to reexec all running
manager instances when the systemd-executor and/or libsystemd*
libraries are updated on the filesystem.
* Most of the internal process tracking is being changed to use PIDFDs
instead of PIDs when the kernel supports it, to improve robustness