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169c465a83
* fhandler.h (select_record::thread_errno): Save any encountered errno here. (select_record::set_select_errno): New function. (select_record::saw_error): New function. (select_record::select_record): Initialize thread_errno to zero. * select.cc (set_handle_or_return_if_not_open): Set thread_errno on failure. (select_stuff::wait): Record errno for later resurrection in calling thread. (peek_serial): Ditto.