SIG_UNBLOCK

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

Meta