From: "Jean-François Trân" Date: 2008-03-17T02:04:33+09:00 Subject: Re: How to make net-ping thread safe? 2008/3/16, Laurent Julliard : > Your recommendation is to turn the sequence number into a class > variable so shouldn't the sequence number really be named @@seq > rather than @seq if we want the sequence number to be unique across > multiple instances of ICMP objects? If I am correct, Joel is using a ICMP class instance variable instead of a class variable. So in the patch, @seq is not a var of an ICMP object but an instance variable of ICMP class (as an object :) ). -- Jean-François.