SHM_RDONLY

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. auto SHM_RDONLY;
  2. auto SHM_RDONLY;
  3. auto SHM_RDONLY;
    version(!linux && !FreeBSD && !OSX && solaris)
    extern (C) const
    auto SHM_RDONLY = octal!10000;

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