Date: Wed, 4 Oct 2000 01:17:09 -0700 From: Alfred Perlstein <bright@wintelcom.net> To: Peter Wemm <peter@netplex.com.au> Cc: Chuck Paterson <cp@bsdi.com>, John Baldwin <jhb@FreeBSD.ORG>, arch@FreeBSD.ORG, John Polstra <jdp@polstra.com>, Daniel Eischen <eischen@vigrid.com>, Matt Dillon <dillon@earth.backplane.com>, Greg Lehey <grog@lemis.com> Subject: Re: Mutexes and semaphores Message-ID: <20001004011709.E27736@fw.wintelcom.net> In-Reply-To: <200010040750.e947oaH19391@netplex.com.au>; from peter@netplex.com.au on Wed, Oct 04, 2000 at 12:50:36AM -0700 References: <200010040727.e947RpH19302@netplex.com.au> <200010040750.e947oaH19391@netplex.com.au>
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* Peter Wemm <peter@netplex.com.au> [001004 00:50] wrote: > Peter Wemm wrote: > > Chuck Paterson wrote: > > > Your right, not freeing these things ever does make things > > > lots easier. > > > > > > Chuck > > > > In the freebsd case, this is the case. Zones are never cleaned up, and > > certainly not unmapped. zfree() will however cause the first few bytes > > to be clobbered as they are reused for the freelist. > > Actually, a final version is at: > http://people.freebsd.org/~peter/getppid.diff I'd really prefer not to see gcc inline asm in the code like that, can we use a macro like 'mb()'? or better yet 'memory_order()' that way it can be used in a lot of places without worrying about catching all the changes if they're needed. Otherwise it's great. :) -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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