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-rw-r--r--src/libsystemd/sd-bus/bus-objects.c8
-rw-r--r--src/systemd/sd-bus-vtable.h6
2 files changed, 13 insertions, 1 deletions
diff --git a/src/libsystemd/sd-bus/bus-objects.c b/src/libsystemd/sd-bus/bus-objects.c
index cbdf6552f9..a973bca84c 100644
--- a/src/libsystemd/sd-bus/bus-objects.c
+++ b/src/libsystemd/sd-bus/bus-objects.c
@@ -68,6 +68,12 @@ static int node_vtable_get_userdata(
return 1;
}
+static void *vtable_method_convert_userdata(const sd_bus_vtable *p, void *u) {
+ assert(p);
+
+ return (uint8_t*) u + p->x.method.offset;
+}
+
static void *vtable_property_convert_userdata(const sd_bus_vtable *p, void *u) {
assert(p);
@@ -360,6 +366,8 @@ static int method_callbacks_run(
if (bus->nodes_modified)
return 0;
+ u = vtable_method_convert_userdata(c->vtable, u);
+
*found_object = true;
if (c->last_iteration == bus->iteration_counter)
diff --git a/src/systemd/sd-bus-vtable.h b/src/systemd/sd-bus-vtable.h
index a03221502a..b4d6ed03b3 100644
--- a/src/systemd/sd-bus-vtable.h
+++ b/src/systemd/sd-bus-vtable.h
@@ -67,6 +67,7 @@ struct sd_bus_vtable {
const char *signature;
const char *result;
sd_bus_message_handler_t handler;
+ size_t offset;
} method;
struct {
const char *member;
@@ -89,7 +90,7 @@ struct sd_bus_vtable {
.x.start.element_size = sizeof(sd_bus_vtable), \
}
-#define SD_BUS_METHOD(_member, _signature, _result, _handler, _flags) \
+#define SD_BUS_VTABLE_METHOD_WITH_OFFSET(_member, _signature, _result, _handler, _offset, _flags) \
{ \
.type = _SD_BUS_VTABLE_METHOD, \
.flags = _flags, \
@@ -97,7 +98,10 @@ struct sd_bus_vtable {
.x.method.signature = _signature, \
.x.method.result = _result, \
.x.method.handler = _handler, \
+ .x.method.offset = _offset, \
}
+#define SD_BUS_METHOD(_member, _signature, _result, _handler, _flags) \
+ SD_BUS_VTABLE_METHOD_WITH_OFFSET(_member, _signature, _result, _handler, 0, _flags)
#define SD_BUS_SIGNAL(_member, _signature, _flags) \
{ \