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J. Nick Koston
fd683a5609
Previously ready() always returned true on ESP8266/RP2040, causing every socket to be checked on every loop iteration even when no data was available. Override ready() in LWIPRawImpl to check rx_buf_/rx_closed_/pcb_ state, and in LWIPRawListenImpl to check accepted_socket_count_. This uses existing fields so no extra memory is needed per socket. Keep ready() virtual only on the non-select path (ESP8266/RP2040) so the select()-based path (ESP32) retains the non-virtual optimization from the previous commit.
