From f8c7f64a3ac82ec7dde295e96e805e7ae7dd2b25 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Mon, 5 Oct 2026 10:05:26 +0100
Subject: [PATCH] Do not replace the socket of a socket activated server on
 SIGUSR1, from Alexandre Fiori.

---
 server.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/server.c b/server.c
index 27ff80c29..be4427954 100644
--- a/server.c
+++ b/server.c
@@ -448,6 +448,10 @@ server_signal(int sig)
 		server_child_signal();
 		break;
 	case SIGUSR1:
+#ifdef HAVE_SYSTEMD
+		if (systemd_activated())
+			break;
+#endif
 		event_del(&server_ev_accept);
 		fd = server_create_socket(server_client_flags, NULL);
 		if (fd != -1) {