From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.187]) by sourceware.org (Postfix) with ESMTPS id 69905385801E for ; Wed, 6 Jul 2022 14:17:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 69905385801E 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 (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1Mft3h-1ng3YG0dGT-00gKlV for ; Wed, 06 Jul 2022 16:17:05 +0200 Received: by calimero.vinschen.de (Postfix, from userid 500) id 8FAC8A80A3C; Wed, 6 Jul 2022 16:17:04 +0200 (CEST) Date: Wed, 6 Jul 2022 16:17:04 +0200 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: Typo in ? Message-ID: Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Provags-ID: V03:K1:X84mJxec5uHHYqgU5xfsC5dYpjr+sTlsaRmroauTYi4sj7GnF1O Id8GcAWeeUn2v/cyEfz9nIRA2wHa9NazVVegcYx+rGAV73xmKmrd+mWX2nkgCHa951xDCEt fVgzXOa1gslkpjD+W++WGqFfHf7BT+DoemUhIr+JK5ay2e3ButY5TgSL3ITLRGTxpHw7Xl+ bnBjQ62zweCZy9tvKQTlQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:IXysIdhh55Y=:Hm4OdSerP+AFGyIOTbwrC3 8BkXmbc5C9LMrH3ik5KbE/mgeQumU5tpaF4LfE82SwRIfH0qsOBlHR7TzRnDhpdt1W9ZlB39z B+rbYXCoBnOuE94rD9ozWIpkBu0H8WkXQ7a8GLjCnzMPveaG2IGbil+Z9TnPIRmBGWJqvVEQ2 UBCF01jL2qUnNIDCZWqUy11F07yJpWPBBzUBXF1TbBc0EOhevLzHkoDYfaGE4ujcq3H0znc0X 4S4Bzvssm4MVIQU8FywO88NTNLSBMTzaa+2egHo5bbZcOklwUKs2aLz3AT/0QQ6exDKVp3YI/ wnApU3t/DwNMOLqMc+RgmCg8ixkIiDmppPZ2wbawJGTHC8z8dVJI0NuJaQYW9WQLl/4zrCIzT zRWfr7NwlZdK8JwSeetuSbqGuPPW9q9bqE6QozkmjG8WVMXBrP38qYfrldScdGvClJ1Hb4e7E Lowxxl91j8SuelnkfpudVrtCiSdmxDNs0JSwofHSwLZP9eFaHQmq2AZAXfZ9oK0qJDye1M8vH c3f2RpfbhO5Hk4XR6QZLLx4bEnJ9t4K/hsRZCl98GF0JC5DSvxFzyxOLhy2ly7F5LS1xmqi7R lUQVCSNIS4BsKbQ+BNIszhSJ3dqUKVpHRuIoWOJJicOaVblCozrvJNOXYs3GvI5GkzTJzhoCD 1oSQ9qQeyfHeTlQpWxiSiis/z1JCme1kfjjCApYSFhujR0gsDXyN0OgTm5Xl3zdnQWSSyOE9p rP6Ej3QmsoigVu2PgGJde3+eecm0DbpnrcJKW9zv/6yLiLhTLClROi2M1JY= X-Spam-Status: No, score=-95.0 required=5.0 tests=BAYES_00, GOOD_FROM_CORINNA_CYGWIN, KAM_DMARC_NONE, KAM_DMARC_STATUS, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_FAIL, SPF_HELO_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: Wed, 06 Jul 2022 14:17:08 -0000 On Jul 6 13:19, Lavrentiev, Anton (NIH/NLM/NCBI) [C] via Cygwin wrote: > > On Linux, select(2) is really only capable to > > handle file descriptors numbers up to descriptor number 1023, > > That is not true. While FD_SETSIZE is defined as a fixed constant, > Linux kernel does not actually "know" (or care) about it. $ rpm -q man-pages man-pages-5.12-2.fc35.noarch $ man 2 select [...] DESCRIPTION WARNING: select() can monitor only file descriptors numbers that are less than FD_SETSIZE (1024)—an unreasonably low limit for many modern applications—and this limitation will not change. All modern applica‐ tions should instead use poll(2) or epoll(7), which do not suffer this limitation. [...] Corinna