Date: Wed, 21 Jul 1999 10:12:17 +0000 From: Niall Smart <niall@pobox.com> To: Peter Jeremy <jeremyp@gsmx07.alcatel.com.au> Cc: hackers@FreeBSD.ORG Subject: Re: Proposal for new syscall to close files Message-ID: <37959D01.D849ABED@pobox.com> References: <99Jul21.100128est.40397@border.alcanet.com.au>
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> 3) Close all FDs except the ones you explicitly want to keep. This > is normally something like: > for (i = getdtablesize(); --i > 2; ) > close(i); > The advantage is that you are sure you don't miss any. The > disadvantage is that it requires a system call for each potentially > open FD - >600 on my system - whereas maybe only 4 or 5 are > actually open. How many daemons suffer from performance problems because of this? None that I know of. I'm sorry, but this syscall seems like clutter to me. Regards, Niall To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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