Date: Thu, 10 Dec 1998 23:17:13 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Warner Losh <imp@village.org> Cc: Archie Cobbs <archie@whistle.com>, jwd@unx.sas.com, freebsd-current@FreeBSD.ORG Subject: Re: inetd: realloc/free bug Message-ID: <199812110717.XAA35358@apollo.backplane.com> References: <199812110659.WAA35073@apollo.backplane.com> <199812110654.WAA25455@bubba.whistle.com> <199812110711.AAA00506@harmony.village.org>
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I seem to recall linux returning the time remaining a long time ago, but
I think they ripped it out. I don't have a linux box handy to test the
linux current kernel.
I definitely think it's a mistake to change select()'s timeout operation,
too many programs pre-set the timeval and assume it will not be changed
on multiple calls to select(). If we were to implement a returned-time it
would have to be with a new system call.
-Matt
:
:In message <199812110659.WAA35073@apollo.backplane.com> Matthew Dillon writes:
:: :By the way, from man select(2):
:: :
:: : BUGS
:: : select() should probably return the time remaining from the original
:: : timeout, if any, by modifying the time value in place. This may be im-
:: : plemented in future versions of the system. Thus, it is unwise to assume
:: : that the timeout value will be unmodified by the select() call.
:: :
:: :Is this ever going to be implemented? I think this warning's been
:: :around for at least 10 years now..
:
:No. It breaks too many things.
:
:Warner
:
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Matthew Dillon Engineering, HiWay Technologies, Inc. & BEST Internet
Communications & God knows what else.
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