Date: Thu, 13 Mar 2003 12:34:35 +0300 (MSK) From: Igor Sysoev <is@rambler-co.ru> To: Sean Hamilton <sh@bel.bc.ca> Cc: hackers@FreeBSD.ORG Subject: Re: first parameter to select Message-ID: <Pine.BSF.4.21.0303131227100.91988-100000@is> In-Reply-To: <000501c2e911$96ea79a0$d1d7e8d8@slugabed.org>
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On Wed, 12 Mar 2003, Sean Hamilton wrote: > What is the first parameter to select(2) for? Microsoft's select ignores it, > and it does not appear to have any valid use since it only allows > constraints on values which are assigned by the system. > > Purely historic? Winsock uses the integer array for fd_set instead of the bit array as Unices do. Winsock socket's numbers are big enough, for example I saw on NT as first created socket has number 96 and second has 42. Bitmask is not effective for such numbers. Igor Sysoev http://sysoev.ru/en/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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