message: Increase maxconnections limit when using poll.
diff: @@ -952,8 +952,13 @@ bool AppInitParameterInteraction()
  // Trim requested connection counts, to fit into system limitations
  // <int> in std::min<int>(...) to work around FreeBSD compilation issue described in #2695
  - nMaxConnections = std::max(std::min<int>(nMaxConnections, FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS), 0);
  nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS);
  +#ifdef USE_POLL
  + int fd_max = nFD;
  +#else
  + int fd_max = FD_SETSIZE;
  +#endif
  + nMaxConnections = std::max(std::min<int>(nMaxConnections, fd_max - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS), 0);
  if (nFD < MIN_CORE_FILEDESCRIPTORS)
  return InitError(_("Not enough file descriptors available."));
  nMaxConnections = std::min(nFD - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS, nMaxConnections);
  