SIGUSR2

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. auto SIGUSR2;
    version(linux)
    extern (C) const
    auto SIGUSR2 = 12;
  2. auto SIGUSR2;
  3. auto SIGUSR2;
  4. auto SIGUSR2;

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