Date: Tue, 16 Sep 1997 00:12:43 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: Shimon@i-Connect.Net (Simon Shapiro) Cc: thorpej@nas.nasa.gov, freebsd-hackers@FreeBSD.ORG Subject: Re: What is wrong with this snipet? Message-ID: <199709160512.AAA00456@dyson.iquest.net> In-Reply-To: <XFMail.970915213646.Shimon@i-Connect.Net> from Simon Shapiro at "Sep 15, 97 09:36:46 pm"
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Simon Shapiro said: > > Hi Jason Thorpe; On 14-Sep-97 you wrote: > > On Sat, 13 Sep 1997 16:34:42 -0700 (PDT) > > Simon Shapiro <Shimon@i-Connect.Net> wrote: > > > > > Why would the following segfault on 6 of the 10 iterations? > > > > In the FreeBSD implementation of RFMEM (which does not match Plan 9's), > > the child gets the same stack as the parent. If you "return" in the > > child, > > someone's stack gets munched. > > Not exactly useful, I'd say... > It actually is -- you just don't call RFMEM in the same way that you would call vfork. It is doing good things at work. John
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