Date: Wed, 14 Mar 2001 07:50:34 -0800 From: Lars Eggert <larse@ISI.EDU> To: Brian Somers <brian@Awfulhak.org> Cc: net@FreeBSD.ORG Subject: Re: Changing UDP select() behavior Message-ID: <3AAF934A.2D63C08A@isi.edu> References: <200103140106.f2E161a09824@hak.lan.Awfulhak.org>
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[-- Attachment #1 --] Brian Somers wrote: > Having said this, it would be nice if it was possible to pre-allocate > (a small number of) mbufs for a pipe() or socketpair(), giving a > reliable SOCK_DGRAM file-descriptor based ipc mechanism. We're talking Internet here, so it won't be reliable. It'd just block the select/write instead of dropping packets on the floor locally if there is no queue space. Mbufs are not the scare resource, queue space in the interface queue is. Lars -- Lars Eggert <larse@isi.edu> Information Sciences Institute http://www.isi.edu/larse/ University of Southern California [-- Attachment #2 --] 0# *H 01 0 + 0 *H 00A#0 *H 01 0 UZA10U Western Cape10U Durbanville10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 1999.9.160 000824203008Z 010824203008Z0T10 UEggert1 0 U*Lars10U Lars Eggert1 0 *H larse@isi.edu00 *H 0 \p9 H;v r∩6"C?mxfJ f7I[3CF́L I - zHRVA怤2]0-bL)%X>nӅ w0u0*+e!0 00L2uMyffBNUbNJJcdZ2s0U 0 larse@isi.edu0 U 0 0 U #0`fUXF a#Ì0 *H _3 F=%nWY-HXD9UOc6ܰw f@uܶNԄR?Pr} E1֮23 mFhySwM_h|d yR= $P 00} 0 *H 01 0 UZA10U Western Cape10U Cape Town10U Thawte Consulting1(0&U Certification Services Division1$0"UThawte Personal Freemail CA1+0) *H personal-freemail@thawte.com0 990916140140Z 010915140140Z01 0 UZA10U Western Cape10U Durbanville10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 1999.9.1600 *H 0 iZ z]!#rLK~r$BRW{azr98e^eyvL>hpu t ,O 1ArƦ]D.Mօ>lx~@эWs0FO 7050U 0 0 U #0rIs4U vr~wƲ0 *H kY1rr`HU{gapm¥7؝(V\uoƑlfq|ko!6- -mƃRt\~ orzg,ks n Νc) ~U10001 0 UZA10U Western Cape10U Durbanville10 U Thawte1 0U Certificate Services1(0&U Personal Freemail RSA 1999.9.16#0 + 0 *H 1 *H 0 *H 1 010314155034Z0# *H 1 PI2^YCsi[@I]ܦ 0R *H 1E0C0 *H 0*H 0+0 *H @0 *H (0 *H Og;qK'yOPށ <`?j~@fT|/M :A@Ϡm}m Ak#&G c ITп$Pr@٤ECAQ-TJeمi R
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