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Message-ID: | <49B512BE.3050801@mrc-lmb.cam.ac.uk> |
Date: | Mon, 09 Mar 2009 12:59:42 +0000 |
From: | "T. Horsnell" <tsh AT mrc-lmb DOT cam DOT ac DOT uk> |
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To: | cygwin AT cygwin DOT com |
Subject: | Re: MSG_DONTWAIT on recvfrom |
References: | <49B4E952 DOT 3050003 AT mrc-lmb DOT cam DOT ac DOT uk> <20090309103418 DOT GT31459 AT calimero DOT vinschen DOT de> |
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Corinna Vinschen wrote: > On Mar 9 10:02, T. Horsnell wrote: >> I'm trying to use recvfrom in non-blocking mode with the MSG_DONTWAIT flag, >> and I get an undefined name for MSG_DONTWAIT at compile time. >> A trawl through the mail archives gave a reference to this in 2001 >> which said: >> >> "Download the source for cygwin1.dll and implement MSG_DONTWAIT" >> >> Is this still the case (I have a recent cygwin with cygwin1.dll 1.5.25) >> or is there a more straightforward fix? > > MSG_DONTWAIT isn't supported by Winsock and it's not supported by Cygwin > either. I put this on my TODO list for a later release but keep in mind > that MSG_DONTWAIT is a non-standard socket extension not backed by > POSIX. Consider to use O_NONBLOCK with the F_SETFL fcntl command > instead. > > > Corinna > Righto. Thank you very much. Terry -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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