End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

SystemExit#status

system_exit.status → integer

static VALUE
exit_status(VALUE exc)
{
    return rb_attr_get(exc, id_status);
}

Return the status value associated with this system exit.

See also .new #success? also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1