sd_bus_add_filter  539 src/core/dbus.c         r = sd_bus_add_filter(bus, NULL, mac_selinux_filter, m);
sd_bus_add_filter 2427 src/systemctl/systemctl.c         q = sd_bus_add_filter(bus, &slot, wait_filter, &d);
sd_bus_add_filter  159 src/systemd/sd-bus.h int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);