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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 semantics via posix_spawn(3), and it immediately execs a new internal
binary, systemd-executor, that receives the configuration to apply binary, systemd-executor, that receives the configuration to apply
via memfd, and sets up the process before exec'ing the target 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 * Most of the internal process tracking is being changed to use PIDFDs
instead of PIDs when the kernel supports it, to improve robustness instead of PIDs when the kernel supports it, to improve robustness