From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: References: From: Rob Pike Date: Tue, 2 Nov 2010 07:20:33 -0700 Message-ID: To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: text/plain; charset=ISO-8859-1 Subject: Re: [9fans] history question Topicbox-Message-UUID: 74d79a94-ead6-11e9-9d60-3106f5b1d025 as part of the 1989 kernel, ken wrote its beginnings with a pattern that involved a lot of repetitive typing but had the basic structure. each function had to define local pieces. i took his idea and wrapped it into the structure that's there now, which made it easier to get right in practice. i'm not certain but i remember ken's version was in the fs kernel; mine was in the regular kernel (although retrofitted to fs) and introduced the way the errors fit into system calls. -rob