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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM8PR09MB7095.namprd09.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 95ff28c8-e1cb-4ed5-fab5-08da5f5b829a X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Jul 2022 14:26:26.3578 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 14b77578-9773-42d5-8507-251ca2dc2b06 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM8PR09MB6519 X-OriginatorOrg: ncbi.nlm.nih.gov X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE, T_SPF_HELO_PERMERROR 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 14:26:29 -0000 > DESCRIPTION > WARNING: select() can monitor only file descriptors numbers that= are > less than FD_SETSIZE (1024)-an unreasonably low limit for many m= odern Whoever wrote this, was wrong (they might have never consulted the actual k= ernel code, or were just blindsided by FD_SETSIZE being a predefined constant). You can take a look= at the kernel source code, if you don't believe me. This select() trick has been like that from the earliest days of Linux, and= the behavior is carefully carried over. https://github.com/torvalds/linux/blob/master/fs/select.c#L625 It's just an FYI :-) Anton Lavrentiev Contractor NIH/NLM/NCBI