From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from DM4PR02CU001-vft-obe.outbound.protection.outlook.com (mail-centralusazlp170120005.outbound.protection.outlook.com [IPv6:2a01:111:f403:c111::5]) by sourceware.org (Postfix) with ESMTPS id 895AD3858D33 for ; Tue, 7 Feb 2023 05:21:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 895AD3858D33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=hotmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=hotmail.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=AAnEzpSQb3VJhYPL8CwPkKViOspGH4fdjkG9vMiG7ZkDZIDsT3b/iDsQhtjC3inzJLg/ZduHPM+b/nEFRyLsux7/gd8K5wms4ShTS3I3G2VkF6YXHZSNATEHMxoeXycSIWUNwYVadnM9c3DUvhWylNrWUFUFNx58XdSeIAFbTSFwDlhQNzA2bvUZ2KXdZdnd6p8hjW5+QeuyE/T3oIfuH+mDyH8QXJ6swhc4SRcswvPCHeRDa/S3+7eMyEpL/tucn1iIQV2ecgXY/I3Ix/r05cZNn1PjXaNIMrfaGg688PEuTAT/HsmUg+qsdHWFzl7cwbf8Yn9vgrwyNYRcJjz5tg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=7ztDo0BiPCsxruNLIyQvESJdj93IfkDqu7Ny1edGZ2k=; b=bM6PzVAVPcXqjtyV3KjIvV1nrbO1HnLrey/6918TZgiHacz8jXwY5Az+JxQJZifhFLBbcUTQx3IdsaltqlFPAY9sR+8iWKUpDFc0f1Uc9OKFPENu3uesqvL4HZ6HLuhTECEbv7j7lIWSnIHKXOpeJPq7kzsFRR7f0s5KFSbPBUzbBknFTDqHGrsH6GKMWyHDXXVh8tpvm/bNuOIsHZW2FhQ3VqbsZjQqZNtpKyJxgy5YH0/CmFqV4BOAhaKN0lBy0Mt3I8D8/url1lbrs558KXs7ktN2Kz8afSvooUQ9d3X6j8veoRi7TOOqJhu0ykmulNk7sFwp8JjrOsrsMfTh+A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hotmail.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=7ztDo0BiPCsxruNLIyQvESJdj93IfkDqu7Ny1edGZ2k=; b=ZSWTEXnLqzTpS2buoab5DLrsx0UK7lUpnriz/vnK5s3GsQ3DwforSOpuVkKhZrgi4U1Y4e9U2I83TqbgLs68IxE8VKtD/vD1DnAeQ4+ay6cGb53cqE8HKwN/EMA/brxiLhSvrZasWSPD12Tm0y5gJyUqdkbWWD0YQzRPwoG7GC274bhd0PmO33fT7FaUGXJ2/50dkaeLjS014y3X9+djUzxhxe4Yyx5N5KMU+rfPY5lwq1W4yWNqDEDP2LlxqRl2zsuWIz3Rgwjya1O5UIMuPWek0Tc9oiCL1F8uN5WwiPSzGU4wcrkA8i4ruHMU3FoO7F84W4Qhbrc2ty6+5YACCA== Received: from SA1PR05MB9907.namprd05.prod.outlook.com (2603:10b6:806:337::13) by SN6PR05MB4366.namprd05.prod.outlook.com (2603:10b6:805:2f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6064.31; Tue, 7 Feb 2023 05:21:23 +0000 Received: from SA1PR05MB9907.namprd05.prod.outlook.com ([fe80::b9cb:84db:ffdc:7988]) by SA1PR05MB9907.namprd05.prod.outlook.com ([fe80::b9cb:84db:ffdc:7988%3]) with mapi id 15.20.6064.028; Tue, 7 Feb 2023 05:21:23 +0000 From: Yeo Kai Wei To: "moss@cs.umass.edu" , "gs-cygwin.com@gluelogic.com" CC: "cygwin@cygwin.com" Subject: Re: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cygwin Thread-Topic: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cygwin Thread-Index: AQHZOmkmLKnjOlu8ak6TFY94S3t3na7CXsgAgAABDYCAAAdKgIAAInuAgAAGmwCAABK5AIAAFn+AgAArDwCAAAT+AIAAB1HD Date: Tue, 7 Feb 2023 05:21:23 +0000 Message-ID: References: <36f2d54f-8515-42fb-e64c-86e348b8e902@cs.umass.edu> <72efd3b6-e7ab-d45d-d153-4fe410e2d7ab@cs.umass.edu> In-Reply-To: <72efd3b6-e7ab-d45d-d153-4fe410e2d7ab@cs.umass.edu> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [1udrZV/QlMSBdALDxsQcA+nSchgIahKi] x-ms-publictraffictype: Email x-ms-traffictypediagnostic: SA1PR05MB9907:EE_|SN6PR05MB4366:EE_ x-ms-office365-filtering-correlation-id: 0e97c1b5-2478-4dba-8e30-08db08cb2756 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?us-ascii?Q?KQ/ln7ZoN+BENSUtO51eNQ4wL7GgNdISYgTov1S04feaBH9uNJakMXNiyu42?= =?us-ascii?Q?fBn+kCampwdVey+5D6nGr54+g9pMoJiB+HNrdPovLS3cpn94fRbaykgsS3qy?= =?us-ascii?Q?Gcu7vTEWHT8Wh2bOKz0vbWYCE62NVoXxmIwbGf5xY5D6jHuFA3HXwUZ5p23b?= =?us-ascii?Q?TTecVJqpR7aC6TTTfxUclp/bkIQSulxjDSby8DCq5oSsj5hKo1q7edlLpw+K?= =?us-ascii?Q?UbzU2SEv5vKm4cBUJQvBc5T9CS1Dq0xcKRduWPy6CfLvodE8/6auJpcNHHjK?= =?us-ascii?Q?iv6lZwVGGi34gWnk16A7goEEOiJtcSljWD0i9XzupXh7O1WulvLIGDuWlh69?= =?us-ascii?Q?PI9dgwr4q8kLU+2NglSQqrQlud5pxVsJId6zlAd58wu75Thf4Fg7YX47mnF5?= =?us-ascii?Q?KU51Xi9jMDPAfqCIrc0tfjF6hTpfuN//eSkU2SDF0pfNgTpbo4sGWF+ykNLH?= =?us-ascii?Q?s7mCajuyye83idEiR2MF9HU/437hApUstbjLebaEp1+YzGzzPcZYcHfdH5dR?= =?us-ascii?Q?JG9a1D+YxFkvPaaAEIhYPrSqCyzz8SUvqpTz/29G/JB7KrJYIEEWnwluQf26?= =?us-ascii?Q?frmXDnl8bKPofe676clcJXRkDXVrVLttNsTVmEcLtnODkvobkx8mY4herCRY?= =?us-ascii?Q?GUemRkm9N9LmzfMKSU9XpfVpN2OFqlYHCGmDAIpPn3aRfkRqsqwwTaCZXGbt?= =?us-ascii?Q?WCcrO7XrEXj+u+VHkOcD6yz2RNxmQALQtcokLhLbkvHT5d8DfvcN5iezLDfd?= =?us-ascii?Q?Z+hYRVESpNlSFrhFeH6O79gNp+7qaTNRPWCQZh8swBaJPZsemzq+VM43pZDk?= =?us-ascii?Q?PnXen7ad25flF2HMMXLfnY6wVwM/baa2+Q9Cfu+MSgTeNmuibpATmWC2tZXg?= =?us-ascii?Q?+fbcK+cCXZoFB2p7ZcEh11uYwOHCP+/OTvxTAT8/kv9b9MSRmF5cz4zHqCoE?= =?us-ascii?Q?cBsYs1UU4qjF3WErBvxtGkKpeDqPkBQRG3xxnMnvTGYoWxXL8Ckz8wHagnGf?= =?us-ascii?Q?JZqcLLM6PqxQD+sjZ5bN3qSAIzPPOBtG1CTFOlltH/2/3H0rV7Dox6t3usp/?= =?us-ascii?Q?bTvBB8XNZr/t5mjBbtrmtooInnOSU+dfw/zFhHlHCgWEuSfZtmiA20Jx2eL5?= =?us-ascii?Q?o2zObkVcJOvnsWZAXXYno+YUrUV17NSfM4jZTHfM3+WunCImCWGWpPTBSRZq?= =?us-ascii?Q?m8YIM86bE8h23/V36jzo4MuOsqwhgagIixx4V0FWuAdkUIw3EAJCqICTF8Rf?= =?us-ascii?Q?K7FBGHoeJK9kl6jAlfPygDt7RhPr677bc1JgUwYKXZ1XTThUt7f0KdPXVAMY?= =?us-ascii?Q?2lk=3D?= Content-Type: multipart/alternative; boundary="_000_SA1PR05MB9907BD8A437F581A1ED7DE3DA4DB9SA1PR05MB9907namp_" MIME-Version: 1.0 X-OriginatorOrg: sct-15-20-4823-7-msonline-outlook-84f76.templateTenant X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SA1PR05MB9907.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: 0e97c1b5-2478-4dba-8e30-08db08cb2756 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Feb 2023 05:21:23.4268 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR05MB4366 X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,HTML_MESSAGE,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: --_000_SA1PR05MB9907BD8A437F581A1ED7DE3DA4DB9SA1PR05MB9907namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Eliot, Thanks for the help. No pressure. I only want help from those who are willing to help. Those who are NOT interested may kindly ignore my messages. There is no obligation at all. The issues I highlighted have been a recurring problem on Google. So, there is a recurring pattern emerging and perhaps this thread could sol= ve it once and for all. As for what I am using it for, I am trying to complete a book called Modern= C. I wish to finish it. Thank you. Kind Regards, YEO Kai Wei ________________________________ From: Eliot Moss Sent: Tuesday, February 7, 2023 12:46:32 PM To: Yeo Kai Wei ; gs-cygwin.com@gluelogic.com Cc: cygwin@cygwin.com Subject: Re: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cy= gwin On 2/7/2023 3:28 PM, Yeo Kai Wei wrote: > > On 7/2/2023 9:54 am, Eliot Moss wrote: >> On 2/7/2023 11:34 AM, Yeo Kai Wei wrote: >>> >>> On 7/2/2023 7:27 am, Eliot Moss wrote: >>>> On 2/7/2023 10:03 AM, Yeo Kai Wei via Cygwin wrote: >>>>> >>>>> On 7/2/2023 4:59 am, gs-cygwin.com@gluelogic.com wrote: >>>>>> On Tue, Feb 07, 2023 at 04:33:53AM +0800, Yeo Kai Wei wrote: >>>> >>>>> I updated Cygwin to 3.4.5-1.x86_64. >>>>> >>>>> $ uname -a >>>>> CYGWIN_NT-10.0-19045 DESKTOP-P3E71RB 3.4.5-1.x86_64 2023-01-19 19:09 = UTC x86_64 Cygwin >>>>> >>>>> >>>>> However, the same problem occurs. >>>>> >>>>> Cygwn-devel doesn't seem to work. >>>>> >>>>> $ gcc -o selectStdIn selectStdIn.c >>>>> selectStdIn.c:9:10: fatal error: sys/select.h: No such file or direct= ory >>>>> #include >>>>> ^~~~~~~~~~~~~~ >>>>> compilation terminated. >>>> >>>> Well, on my system cygcheck -f /usr/include/sys/select.h clearly says >>>> that the file came from cygwin-devel-3.4.3-1. Maybe you misspelled >>>> cygwin-devel ? You do have to select the package explicitly, too. >>>> >>>> EM >>> >>> >>> Hi Eliot, >>> >>> I just reinstalled Cygwin but I'm unsure of what I missed. >>> >>> I did "cygcheck -f /usr/include/sys/select.h" and it seems to tell me t= hat I do have >>> cygwin-devel-3.4.5-1 >>> >>> Did I miss a step? >> >> What gcc are you running? Maybe not cygwin's? >> >> EM > > > Hi Eliot, > > I think I'm running MinGW's gcc. > > I typed in "gcc --version" and this is what Cygwin returned. > > $ gcc --version > gcc.exe (x86_64-posix-seh-rev0, Built by MinGW-W64 project) 8.1.0 > Copyright (C) 2018 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOS= E. > > What should I do next? Install the relevant gcc and program building packages. But I think you're reaching the limit of the handholding the community may be prepared to offer ... Also, you never said what you're *really* trying to accomplish. EM --_000_SA1PR05MB9907BD8A437F581A1ED7DE3DA4DB9SA1PR05MB9907namp_--