From c01071b5f778e611047cd60d14e03b56ddc02d5a Mon Sep 17 00:00:00 2001
From: Simon McVittie <smcv@collabora.com>
Date: Mon, 15 Jan 2018 15:31:41 +0000
Subject: [PATCH 3/4] bus: Also tell systemd when we're reloading

Signed-off-by: Simon McVittie <smcv@collabora.com>
---
 bus/bus.c                     |  4 ++++
 dbus/dbus-sysdeps-util-unix.c | 25 +++++++++++++++++++++++++
 dbus/dbus-sysdeps-util-win.c  | 10 ++++++++++
 dbus/dbus-sysdeps.h           |  2 ++
 4 files changed, 41 insertions(+)

diff --git a/bus/bus.c b/bus/bus.c
index 134d7e1e..8702c5d2 100644
--- a/bus/bus.c
+++ b/bus/bus.c
@@ -1064,6 +1064,8 @@ bus_context_reload_config (BusContext *context,
   DBusString config_file;
   dbus_bool_t ret;
 
+  _dbus_daemon_report_reloading ();
+
   /* Flush the user database cache */
   _dbus_flush_caches ();
 
@@ -1094,6 +1096,8 @@ bus_context_reload_config (BusContext *context,
     bus_context_log (context, DBUS_SYSTEM_LOG_INFO, "Unable to reload configuration: %s", error->message);
   if (parser != NULL)
     bus_config_parser_unref (parser);
+
+  _dbus_daemon_report_reloaded ();
   return ret;
 }
 
diff --git a/dbus/dbus-sysdeps-util-unix.c b/dbus/dbus-sysdeps-util-unix.c
index 838cd932..8a7c9278 100644
--- a/dbus/dbus-sysdeps-util-unix.c
+++ b/dbus/dbus-sysdeps-util-unix.c
@@ -1531,3 +1531,28 @@ _dbus_daemon_report_ready (void)
   sd_notify (0, "READY=1");
 #endif
 }
+
+/**
+ * Report to a service manager that the daemon calling this function is
+ * reloading configuration. This is currently only implemented for systemd.
+ */
+void
+_dbus_daemon_report_reloading (void)
+{
+#ifdef HAVE_SYSTEMD
+  sd_notify (0, "RELOADING=1");
+#endif
+}
+
+/**
+ * Report to a service manager that the daemon calling this function is
+ * reloading configuration. This is currently only implemented for systemd.
+ */
+void
+_dbus_daemon_report_reloaded (void)
+{
+#ifdef HAVE_SYSTEMD
+  /* For systemd, this is the same code */
+  _dbus_daemon_report_ready ();
+#endif
+}
diff --git a/dbus/dbus-sysdeps-util-win.c b/dbus/dbus-sysdeps-util-win.c
index f613130e..917dd05e 100644
--- a/dbus/dbus-sysdeps-util-win.c
+++ b/dbus/dbus-sysdeps-util-win.c
@@ -1659,3 +1659,13 @@ void
 _dbus_daemon_report_ready (void)
 {
 }
+
+void
+_dbus_daemon_report_reloading (void)
+{
+}
+
+void
+_dbus_daemon_report_reloaded (void)
+{
+}
diff --git a/dbus/dbus-sysdeps.h b/dbus/dbus-sysdeps.h
index b2943906..d8e69589 100644
--- a/dbus/dbus-sysdeps.h
+++ b/dbus/dbus-sysdeps.h
@@ -688,6 +688,8 @@ dbus_bool_t     _dbus_rlimit_restore_fd_limit              (DBusRLimit   *saved,
 void            _dbus_rlimit_free                          (DBusRLimit   *lim);
 
 void            _dbus_daemon_report_ready                  (void);
+void            _dbus_daemon_report_reloading              (void);
+void            _dbus_daemon_report_reloaded               (void);
 
 /** @} */
 
-- 
2.15.1