Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/shared/varlink-io.systemd.ManagedOOM.c b/src/shared/varlink-io.systemd.ManagedOOM.c
new file mode 100644
index 0000000..d6414b3
--- /dev/null
+++ b/src/shared/varlink-io.systemd.ManagedOOM.c
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include "varlink-io.systemd.ManagedOOM.h"
+
+/* Pull in vl_type_ControlGroup, since both interfaces need it */
+#include "varlink-io.systemd.oom.h"
+
+/* This is PID1's Varlink service, where PID 1 is the server and oomd is the client.
+ *
+ * Compare with io.systemd.oom where the client/server roles of oomd and the service manager are swapped! */
+
+static VARLINK_DEFINE_METHOD(
+                SubscribeManagedOOMCGroups,
+                VARLINK_DEFINE_OUTPUT_BY_TYPE(cgroups, ControlGroup, VARLINK_ARRAY));
+
+static VARLINK_DEFINE_ERROR(SubscriptionTaken);
+
+VARLINK_DEFINE_INTERFACE(
+                io_systemd_ManagedOOM,
+                "io.systemd.ManagedOOM",
+                &vl_method_SubscribeManagedOOMCGroups,
+                &vl_type_ControlGroup,
+                &vl_error_SubscriptionTaken);