man: emphasize a bit more that PID files suck

This commit is contained in:
Lennart Poettering 2021-02-19 17:49:44 +01:00
parent 82f3063218
commit 5cfbe7452f

View File

@ -292,7 +292,11 @@
will remove the file after the service has shut down if it still exists. The PID file does not need to be owned
by a privileged user, but if it is owned by an unprivileged user additional safety restrictions are enforced:
the file may not be a symlink to a file owned by a different user (neither directly nor indirectly), and the
PID file must refer to a process already belonging to the service.</para></listitem>
PID file must refer to a process already belonging to the service.</para>
<para>Note that PID files should be avoided in modern projects. Use <option>Type=notify</option> or
<option>Type=simple</option> where possible, which does not require use of PID files to determine the
main process of a service and avoids needless forking.</para></listitem>
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