DEFINE_PARSER(double, double, safe_atod);
DEFINE_PARSER(nsec, nsec_t, parse_nsec);
DEFINE_PARSER(sec, usec_t, parse_sec);
+DEFINE_PARSER(sec_def_infinity, usec_t, parse_sec_def_infinity);
DEFINE_PARSER(mode, mode_t, parse_mode);
int config_parse_iec_size(const char* unit,