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-rw-r--r--src/libsystemd-bus/bus-introspect.c8
-rw-r--r--src/libsystemd-bus/bus-objects.c12
-rw-r--r--src/libsystemd-bus/test-bus-introspect.c3
-rw-r--r--src/systemd/sd-bus-vtable.h15
4 files changed, 21 insertions, 17 deletions
diff --git a/src/libsystemd-bus/bus-introspect.c b/src/libsystemd-bus/bus-introspect.c
index 4d5c25a23f..d528ab2a04 100644
--- a/src/libsystemd-bus/bus-introspect.c
+++ b/src/libsystemd-bus/bus-introspect.c
@@ -82,10 +82,12 @@ static void introspect_write_flags(struct introspect *i, int type, int flags) {
fputs(" <annotation name=\"org.freedesktop.DBus.Method.NoReply\" value=\"true\"/>\n", i->f);
if (type == _SD_BUS_VTABLE_PROPERTY || type == _SD_BUS_VTABLE_WRITABLE_PROPERTY) {
- if (!(flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE))
- fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"false\"/>\n", i->f);
- else if (flags & SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY)
+ if (flags & SD_BUS_VTABLE_PROPERTY_CONST)
+ fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"const\"/>\n", i->f);
+ else if (flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)
fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"invalidates\"/>\n", i->f);
+ else if (!(flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE))
+ fputs(" <annotation name=\"org.freedesktop.DBus.Property.EmitsChangedSignal\" value=\"false\"/>\n", i->f);
}
if (!i->trusted &&
diff --git a/src/libsystemd-bus/bus-objects.c b/src/libsystemd-bus/bus-objects.c
index c3889b7949..e468025a81 100644
--- a/src/libsystemd-bus/bus-objects.c
+++ b/src/libsystemd-bus/bus-objects.c
@@ -1680,7 +1680,7 @@ static int add_object_vtable_internal(
!signature_is_valid(strempty(v->x.method.signature), false) ||
!signature_is_valid(strempty(v->x.method.result), false) ||
!(v->x.method.handler || (isempty(v->x.method.signature) && isempty(v->x.method.result))) ||
- v->flags & (SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY)) {
+ v->flags & (SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)) {
r = -EINVAL;
goto fail;
}
@@ -1722,13 +1722,12 @@ static int add_object_vtable_internal(
!signature_is_single(v->x.property.signature, false) ||
!(v->x.property.get || bus_type_is_basic(v->x.property.signature[0]) || streq(v->x.property.signature, "as")) ||
v->flags & SD_BUS_VTABLE_METHOD_NO_REPLY ||
- (v->flags & SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY && !(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE)) ||
+ (!!(v->flags & SD_BUS_VTABLE_PROPERTY_CONST) + !!(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE) + !!(v->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION)) > 1 ||
(v->flags & SD_BUS_VTABLE_UNPRIVILEGED && v->type == _SD_BUS_VTABLE_PROPERTY)) {
r = -EINVAL;
goto fail;
}
-
m = new0(struct vtable_member, 1);
if (!m) {
r = -ENOMEM;
@@ -2013,9 +2012,10 @@ static int emit_properties_changed_on_interface(
if (c != v->parent)
continue;
- assert_return(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE, -EDOM);
+ assert_return(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE ||
+ v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION, -EDOM);
- if (v->vtable->flags & SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY) {
+ if (v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION) {
has_invalidating = true;
continue;
}
@@ -2084,7 +2084,7 @@ static int emit_properties_changed_on_interface(
assert_se(v = hashmap_get(bus->vtable_properties, &key));
assert(c == v->parent);
- if (!(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY))
+ if (!(v->vtable->flags & SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION))
continue;
r = sd_bus_message_append(m, "s", *property);
diff --git a/src/libsystemd-bus/test-bus-introspect.c b/src/libsystemd-bus/test-bus-introspect.c
index 574479dd6c..67b6461f30 100644
--- a/src/libsystemd-bus/test-bus-introspect.c
+++ b/src/libsystemd-bus/test-bus-introspect.c
@@ -41,7 +41,8 @@ static const sd_bus_vtable vtable[] = {
SD_BUS_WRITABLE_PROPERTY("AProperty", "s", prop_get, prop_set, 0, 0),
SD_BUS_PROPERTY("AReadOnlyDeprecatedProperty", "(ut)", prop_get, 0, SD_BUS_VTABLE_DEPRECATED),
SD_BUS_PROPERTY("ChangingProperty", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
- SD_BUS_PROPERTY("Invalidating", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE|SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY),
+ SD_BUS_PROPERTY("Invalidating", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ SD_BUS_PROPERTY("Constant", "t", prop_get, 0, SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_VTABLE_END
};
diff --git a/src/systemd/sd-bus-vtable.h b/src/systemd/sd-bus-vtable.h
index cc029eb1a7..a03221502a 100644
--- a/src/systemd/sd-bus-vtable.h
+++ b/src/systemd/sd-bus-vtable.h
@@ -40,13 +40,14 @@ enum {
};
enum {
- SD_BUS_VTABLE_DEPRECATED = 1ULL << 0,
- SD_BUS_VTABLE_METHOD_NO_REPLY = 1ULL << 1,
- SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE = 1ULL << 2,
- SD_BUS_VTABLE_PROPERTY_INVALIDATE_ONLY = 1ULL << 3,
- SD_BUS_VTABLE_UNPRIVILEGED = 1ULL << 4,
- SD_BUS_VTABLE_HIDDEN = 1ULL << 5,
- _SD_BUS_VTABLE_CAPABILITY_MASK = 0xFFFFULL << 40
+ SD_BUS_VTABLE_DEPRECATED = 1ULL << 0,
+ SD_BUS_VTABLE_HIDDEN = 1ULL << 1,
+ SD_BUS_VTABLE_UNPRIVILEGED = 1ULL << 2,
+ SD_BUS_VTABLE_METHOD_NO_REPLY = 1ULL << 3,
+ SD_BUS_VTABLE_PROPERTY_CONST = 1ULL << 4,
+ SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE = 1ULL << 5,
+ SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION = 1ULL << 6,
+ _SD_BUS_VTABLE_CAPABILITY_MASK = 0xFFFFULL << 40
};
#define SD_BUS_VTABLE_CAPABILITY(x) ((uint64_t) (((x)+1) & 0xFFFF) << 40)