From 5cfbe7452f023fc307374f306e26b5ee902889f0 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 19 Feb 2021 17:49:44 +0100 Subject: [PATCH] man: emphasize a bit more that PID files suck --- man/systemd.service.xml | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/man/systemd.service.xml b/man/systemd.service.xml index 25cca3d8d61..0e9fa3e7323 100644 --- a/man/systemd.service.xml +++ b/man/systemd.service.xml @@ -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. + PID file must refer to a process already belonging to the service. + + Note that PID files should be avoided in modern projects. Use or + where possible, which does not require use of PID files to determine the + main process of a service and avoids needless forking. -- 2.47.3