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Subject: Re: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cygwin To: moss@cs.umass.edu, gs-cygwin.com@gluelogic.com Cc: cygwin@cygwin.com References: <36f2d54f-8515-42fb-e64c-86e348b8e902@cs.umass.edu> Content-Language: en-US From: Yeo Kai Wei In-Reply-To: <36f2d54f-8515-42fb-e64c-86e348b8e902@cs.umass.edu> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TMN: [cyw6g1i0QTPh3LaiBvDLq7dDaTL+2cfn] X-ClientProxiedBy: SG2PR04CA0213.apcprd04.prod.outlook.com (2603:1096:4:187::11) To SA1PR05MB9907.namprd05.prod.outlook.com (2603:10b6:806:337::13) X-Microsoft-Original-Message-ID: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR05MB9907:EE_|BN6PR05MB3524:EE_ X-MS-Office365-Filtering-Correlation-Id: a2fe3d79-2545-4374-debc-08db08c3cdd5 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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sct-15-20-4823-7-msonline-outlook-84f76.templateTenant X-MS-Exchange-CrossTenant-Network-Message-Id: a2fe3d79-2545-4374-debc-08db08c3cdd5 X-MS-Exchange-CrossTenant-AuthSource: SA1PR05MB9907.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Feb 2023 04:28:47.3045 (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: BN6PR05MB3524 X-Spam-Status: No, score=1.5 required=5.0 tests=BAYES_00,BODY_8BITS,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_MUA_MOZILLA,FREEMAIL_FROM,NICE_REPLY_A,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: 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 >>>> directory >>>>   #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 >> that 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 PURPOSE. What should I do next? Thank you. Kind Regards, YEO Kai Wei