session_kill      899 src/login/logind-dbus.c         r = session_kill(session, who, signo);
session_kill      285 src/login/logind-session-dbus.c         r = session_kill(s, who, signo);
session_kill      147 src/login/logind-session.h int session_kill(Session *s, KillWho who, int signo);