+int unit_kill(Unit *u, KillWho w, KillMode m, int signo, DBusError *error) {
+ assert(u);
+ assert(w >= 0 && w < _KILL_WHO_MAX);
+ assert(m >= 0 && m < _KILL_MODE_MAX);
+ assert(signo > 0);
+ assert(signo < _NSIG);
+
+ if (m == KILL_NONE)
+ return 0;
+
+ if (!UNIT_VTABLE(u)->kill)
+ return -ENOTSUP;
+
+ return UNIT_VTABLE(u)->kill(u, w, m, signo, error);
+}
+