From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <2126e45d61538ffb0494c42977735f63@csplan9.rit.edu> To: 9fans@9fans.net Date: Thu, 8 Jan 2009 12:22:02 -0500 From: john@csplan9.rit.edu In-Reply-To: <1231434224.5141.229.camel@goose.sun.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] two quick questions on syscalls Topicbox-Message-UUID: 7d144024-ead4-11e9-9d60-3106f5b1d025 > Hi! > > 1. are the ones starting from underscore totally deprecated? > 2. what's the use for sysr1? > > Thanks, > Roman. To answer #2: I found sysr1 useful while fiddling with devtrace, because it's a syscall that does nothing. In addition to providing insights to how long it takes to enter a syscall and return, it also gave me a place to put in syscall things I wanted to test. John PS: I'm sitting in an engineering lab near a couple of shrill freshmen arguing KDE vs. GNOME... apparently they just discovered Linux because nobody has mentioned any other window manager in the whole 30 minutes.