From a5fc32fa34f99d5854fb7810ea6096096896790a Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sat, 9 Apr 2022 08:50:02 +0900
Subject: [PATCH] sd-event: do not kill a child process from another child

(cherry picked from commit 86587c93b01ffa14ffdfff3cdf5ba0bfb555d839)
---
 src/libsystemd/sd-event/sd-event.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 5395c7a9ee..3236f63aed 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -854,6 +854,9 @@ static void source_disconnect(sd_event_source *s) {
                 break;
 
         case SOURCE_CHILD:
+                if (event_pid_changed(s->event))
+                        s->child.process_owned = false;
+
                 if (s->child.pid > 0) {
                         if (event_source_is_online(s)) {
                                 assert(s->event->n_online_child_sources > 0);