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From f2de5398b0a1ebb3e6390506368c11329b843524 Mon Sep 17 00:00:00 2001
From: Jan Macku <jamacku@redhat.com>
Date: Thu, 2 Sep 2021 16:50:50 +0200
Subject: [PATCH] core: Indicate the time when the manager started loading
 units the last time

(cherry picked from commit 15b9243c0d7f6d1531fa65dbc01bd11e8e6c12ca)

Resolves: #2136869
---
 src/core/manager.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/core/manager.c b/src/core/manager.c
index 8aa398cac8..a9cd51b624 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -3554,6 +3554,11 @@ int manager_reload(Manager *m) {
         /* Let's finally catch up with any changes that took place while we were reloading/reexecing */
         manager_catchup(m);
 
+        /* Create a file which will indicate when the manager started loading units the last time. */
+        (void) touch_file("/run/systemd/systemd-units-load", false,
+                m->timestamps[MANAGER_TIMESTAMP_UNITS_LOAD].realtime ?: now(CLOCK_REALTIME),
+                UID_INVALID, GID_INVALID, 0444);
+
         /* Sync current state of bus names with our set of listening units */
         q = manager_enqueue_sync_bus_names(m);
         if (q < 0 && r >= 0)