rest: daemon: comment why using a systemd barrier is important for main PID handover
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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@ -186,6 +186,8 @@ impl Reloader {
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if let Err(e) = systemd_notify(SystemdNotify::MainPid(child)) {
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log::error!("failed to notify systemd about the new main pid: {}", e);
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}
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// ensure systemd got the message about the new main PID before continuing, else it
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// will get confused if the new main process sends its READY signal before that
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if let Err(e) = systemd_notify_barrier() {
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log::error!("failed to wait on systemd-processing: {}", e);
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}
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