SIGHUP

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. auto SIGHUP;
  2. auto SIGHUP;
  3. auto SIGHUP;
  4. auto SIGHUP;
    version(!linux && !darwin && !FreeBSD && solaris)
    extern (C) const
    auto SIGHUP = 1;

Meta