From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.17.24]) by sourceware.org (Postfix) with ESMTPS id 51FC73858C39 for ; Fri, 14 Jan 2022 09:34:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 51FC73858C39 Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=cygwin.com Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=cygwin.com Received: from calimero.vinschen.de ([24.134.7.25]) by mrelayeu.kundenserver.de (mreue106 [212.227.15.183]) with ESMTPSA (Nemesis) id 1Ml72g-1mTn9q1wFg-00lREj for ; Fri, 14 Jan 2022 10:34:42 +0100 Received: by calimero.vinschen.de (Postfix, from userid 500) id 975FDA80D9B; Fri, 14 Jan 2022 10:34:41 +0100 (CET) Date: Fri, 14 Jan 2022 10:34:41 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: character device canonical mode Message-ID: Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <5255058c-74e0-f351-3c91-e63a54a1e323@huarp.harvard.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <5255058c-74e0-f351-3c91-e63a54a1e323@huarp.harvard.edu> X-Provags-ID: V03:K1:n1uAEw5YuBFoVu+dZHqQi2dVd3VEPptmPa53fk9wB/VGepsrZ9v Tr5HrTaTxDW7pXfQYFrIXRisDPLpo7nJM4AsM8+Tl+JaBurBh2Dm67PU8uu2oysbOyuHvwY 4HAEVhoISjMYxeHlDSzo7n9A/EWeP+hUPhuo5vhwo7R9Q72cYu3F0d6HyHksYYrYoiaAhe2 HEd07E4qvAhWPVVP/wuGg== X-UI-Out-Filterresults: notjunk:1;V03:K0:PSHTRh8hiWs=:maXL/26U8qhi+qAnQsV6Wk ejp9VloBQkhm6k11wVseEQg/dV0wQWyWjbI8tOTdf1bwc6Bm26JqKgOFIg2f0aeayZWgch1d6 xN+1z+nOzKuLCnydjD7dUZxRVvkjL8wGbSbeKG9bdDuYiCK+xesd98U5iz7GS/J+N8mPMHJLU Osh4F0P/zTyY5/GjAqkOCcT8LXMryrqMezaEmNwWvVS3YhoYEZ2LkM/hU4iyV9XTtj9IBQHgL 2syK/lbA1JMD8UOsWBExKlE1HSoIFHBMNMrVXD4dzBJHOmA0sob0NMb5MmrRq1NZ1/dxX6aZU E4aWhsiIxPcIf8jilc6Q7vc5wvT6LU3EgqmNBtnuddFGBZbADVlPKTm+sK75iKR1slWXkVdIr ov42MXc3hbYcxvSpH9goNTshSN6cEEvUIK+YFfUP06Xg/ylaINtSIJqVNndrlvB+VL2dg8txL Te6U7T2o6BmGjDdagv5NgtcPqi/0nF+e2Bq1NPX4C831bMEyzlnVlI3mZgApJVW7OaNBCthAF F3wUZkjeUBllVioDqhKXidWjC3heD2N7BPqC49/OubAv16kMjiZKOcuad5ojPEEnSbMXi91gW 7oNLD723SWNMxrFp4pEhfHa1zTZ0m0/Am4nwHKi/1B0TBysjCwjAvtAElDNuBVy8ak9tLZYiJ MsoQW92tYscu926yHjO4Ln//X9iLtEt0DTUe4dnYM8ItYKa20NVr0WPO50SfyllBflbXo7/tN waXmo1auEGZc7RhO X-Spam-Status: No, score=-95.6 required=5.0 tests=BAYES_00, GOOD_FROM_CORINNA_CYGWIN, KAM_DMARC_NONE, KAM_DMARC_STATUS, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_FAIL, SPF_HELO_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 14 Jan 2022 09:34:45 -0000 On Jan 13 12:37, Norton Allen wrote: > Apparently Cygwin does not support canonical mode on serial devices. I just checked, you're right, ICANON has never been implemented for serial I/O. The code hasn't seen a lot of love since its inception. It has been added pre-2000 mainly to support GDB remote debugging of embedded systems. Corinna