Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Delivered-To: corinna-cygwin AT cygwin DOT com content-class: urn:content-classes:message Subject: RE: poll function in cygwin MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Date: Tue, 27 Aug 2002 16:46:23 +0700 X-MimeOLE: Produced By Microsoft Exchange V6.0.4417.0 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: From: "Nguyen Minh Sang" To: "egor duda" Cc: , Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by delorie.com id g7R9hkO19025 Hi ! I has written a CHAT server that uses poll function. In linux, it's OK. The concurrent connection I achieved is lager than 1024. But on Win2k (compile in cygwin) then concurrent connection reach only 1023 and the process bug: Segmentaion fault. could you help me to solve this problem ? Thanks and Best Regards, sangnm. -----Original Message----- From: egor duda [mailto:deo AT logos-m DOT ru] Sent: Tuesday, August 27, 2002 2:27 AM To: Corinna Vinschen Subject: Re: poll function in cygwin Hi! Tuesday, 27 August, 2002 Corinna Vinschen corinna-cygwin AT cygwin DOT com wrote: CV> On Tue, Aug 27, 2002 at 02:33:40PM +0700, Nguyen Minh Sang wrote: >> On cygwin, function: >> int poll(struct pollfd *ufds, unsigned int nfds, int timeout); >> >> The maximum of nfds = ? CV> Theoretically there is no maximum. In practice the maximum is a CV> function of the memory available. I was thinking that maximum number of handles which can be waited via WaitForMultipleObjects() is 64, thus limiting a number of handles that can be select()ed. It's probably possible to work around such limitation in cygwin select() but either i've missed something or no such workaround was created in cygwin code. Egor. mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/ -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/