X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flibsystemd-bus%2Fbus-internal.h;h=31e10b2c273e9d59eb4900ed49032a990486eb51;hp=5795f74693e282536abbf72337ba18ff29cddc73;hb=68313d3dfa2082dae8a06643d639e0200afc19fc;hpb=29ddb38fea134c6132e4f2dd608e9da3871eaebe

diff --git a/src/libsystemd-bus/bus-internal.h b/src/libsystemd-bus/bus-internal.h
index 5795f7469..31e10b2c2 100644
--- a/src/libsystemd-bus/bus-internal.h
+++ b/src/libsystemd-bus/bus-internal.h
@@ -289,3 +289,14 @@ int bus_start_running(sd_bus *bus);
 int bus_next_address(sd_bus *bus);
 
 bool bus_pid_changed(sd_bus *bus);
+
+#define OBJECT_PATH_FOREACH_PREFIX(prefix, path)                        \
+        for (char *_slash = ({ strcpy((prefix), (path)); streq((prefix), "/") ? NULL : strrchr((prefix), '/'); }) ; \
+             _slash && !(_slash[(_slash) == (prefix)] = 0);             \
+             _slash = streq((prefix), "/") ? NULL : strrchr((prefix), '/'))
+
+/* If we are invoking callbacks of a bus object, ensure unreffing the
+ * bus from the callback doesn't destroy the object we are working
+ * on */
+#define BUS_DONT_DESTROY(bus) \
+        _cleanup_bus_unref_ sd_bus *_dont_destroy_##bus = sd_bus_ref(bus)