int reset_signal_mask(void);
int ignore_signals(int sig, ...);
+#if 0 /// UNNEEDED by elogind
int default_signals(int sig, ...);
int sigaction_many(const struct sigaction *sa, ...);
+#endif // 0
int sigset_add_many(sigset_t *ss, ...);
int sigprocmask_many(int how, sigset_t *old, ...);
int signal_from_string(const char *s) _pure_;
int signal_from_string_try_harder(const char *s);
+#if 0 /// UNNEEDED by elogind
+void nop_signal_handler(int sig);
+#endif // 0