Method wakeup

src/Library/IPCClientPrivate.cpp:190–195

  }

  void IPCClientPrivate::wakeup()
  {
    const uint64_t one = 1;
    USBGUARD_SYSCALL_THROW("IPC client",
      write(_wakeup_fd, &one, sizeof one) != sizeof one);
  }

  void IPCClientPrivate::stop(bool do_wait)
  {