Date: Fri, 6 Feb 1998 01:22:32 +0100 From: Eivind Eklund <eivind@yes.no> To: Terry Lambert <tlambert@primenet.com> Cc: Mike Smith <mike@smith.net.au>, gram@cdsec.com, freebsd-hackers@FreeBSD.ORG Subject: Re: Shared memory and signals Message-ID: <19980206012232.55341@follo.net> In-Reply-To: <199802060013.RAA28310@usr09.primenet.com>; from Terry Lambert on Fri, Feb 06, 1998 at 12:13:32AM %2B0000 References: <199802051118.VAA00292@word.smith.net.au> <199802060013.RAA28310@usr09.primenet.com>
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On Fri, Feb 06, 1998 at 12:13:32AM +0000, Terry Lambert wrote: > If you use an mmap'ed file instead of a SysV SHM segment, then you > will get resource-tracking cleanup after the last close, like you > wanted. The file will stick around, but you can unlink it and use > UNIX domain sockets to pass the descriptor between processes, if this > is a problem. Any particular reason not to mmap() /dev/zero? I though that was considered the way to do this, instead of unlinking. Eivind.
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