Attachment 79984 Details for Bug 65141 – Patch for D-Bus spec.

[patch] Patch for D-Bus spec.

0001-Remove-obscure-low-latency-parts-in-the-introduction.patch (text/plain), 2.45 KB, created by justinlee5455 on 2013-05-29 20:13:17 UTC

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Creator: justinlee5455

Created: 2013-05-29 20:13:17 UTC

Size: 2.45 KB

patch

obsolete

>From 48dd159a3799123179dc137df2013a436ce3a143 Mon Sep 17 00:00:00 2001
>From: Justin Lee <justinlee5455@gmail.com>
>Date: Thu, 30 May 2013 03:21:31 +0800
>Subject: [PATCH] Remove obscure "low-latency" parts in the introduction of
> spec
>To: justinlee5455@gmail.com
>
>According to Wikipedia
>http://en.wikipedia.org/wiki/Latency_%28engineering%29#Packet-switched_networks
>latency means "the time from the source sending a packet to the destination
>receiving it". Therefore, latency is unrelated to whether the operation is
>asynchronous or synchronous. And also unrelated to whether it's one-way or
>round-trip. Latency exists for asynchronous and one-way transfer, because for
>current DBus implementations we need at least one context switch to transfer
>each message from the sender process to the receiver process. Emphasizing
>D-Bus is low-latency could encourage user to abuse/misuse the system.
>
>Mail disscusion:
>http://lists.freedesktop.org/archives/dbus/2013-May/015665.html
>
>Bug:
>https://bugs.freedesktop.org/show_bug.cgi?id=65141
>---
> doc/dbus-specification.xml |   13 ++++---------
> 1 files changed, 4 insertions(+), 9 deletions(-)
>
>diff --git a/doc/dbus-specification.xml b/doc/dbus-specification.xml
>index a6bedfa..507ad50 100644
>--- a/doc/dbus-specification.xml
>+++ b/doc/dbus-specification.xml
>@@ -175,23 +175,18 @@
>   <sect1 id="introduction">
>     <title>Introduction</title>
>     <para>
>-      D-Bus is a system for low-latency, low-overhead, easy to use
>+      D-Bus is a system for low-overhead, easy to use
>       interprocess communication (IPC). In more detail:
>       <itemizedlist>
>         <listitem>
>           <para>
>-            D-Bus is <emphasis>low-latency</emphasis> because it is designed 
>-            to avoid round trips and allow asynchronous operation, much like 
>-            the X protocol.
>-          </para>
>-        </listitem>
>-        <listitem>
>-          <para>
>             D-Bus is <emphasis>low-overhead</emphasis> because it uses a
>             binary protocol, and does not have to convert to and from a text
>             format such as XML. Because D-Bus is intended for potentially
>             high-resolution same-machine IPC, not primarily for Internet IPC,
>-            this is an interesting optimization.
>+            this is an interesting optimization. D-Bus is also designed to
>+            avoid round trips and allow asynchronous operation, much like
>+            the X protocol.
>           </para>
>         </listitem>
>         <listitem>
>-- 
>1.7.5.4
>

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