Date: Fri, 6 Feb 1998 00:31:51 +0000 (GMT) From: Terry Lambert <tlambert@primenet.com> To: eivind@yes.no (Eivind Eklund) Cc: tlambert@primenet.com, mike@smith.net.au, gram@cdsec.com, freebsd-hackers@FreeBSD.ORG Subject: Re: Shared memory and signals Message-ID: <199802060031.RAA16316@usr02.primenet.com> In-Reply-To: <19980206012232.55341@follo.net> from "Eivind Eklund" at Feb 6, 98 01:22:32 am
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> > 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. You have to pass sockets around instead of everyone just opening the same file... Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.
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