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3af261572b
select returns with -1. * tools.texi (gpg-connect-agent): New. * app-openpgp.c (get_one_do): Never try to get a non cacheable object from the cache. (get_one_do): Add new arg to return an error code. Changed all callers. (do_getattr): Let it return a proper error code. * app.c (select_application): Return an error code and the application context in an new arg. * command.c (open_card): Adjusted for that. Don't use the fallback if no card is present. Return an error if the card has been removed without a reset. (do_reset, cmd_serialno): Clear that error flag. (TEST_CARD_REMOVAL): New. Use it with all command handlers. * scdaemon.c (ticker_thread): Termintate if a shutdown is pending. * apdu.c: Added some PCSC error codes. (pcsc_error_to_sw): New. (reset_pcsc_reader, pcsc_get_status, pcsc_send_apdu) (open_pcsc_reader): Do proper error code mapping. * gpg-connect-agent.c: New. * Makefile.am: Add it.