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From Jim Jagielski <>
Subject Re: FreeBSD core'ing.
Date Tue, 21 Mar 2000 01:27:28 GMT
Bugger... This means that if Apache crashes, we're loading
the OS with un-used sems. "Callbacks" are good only if
Apache has the opportunity to handle 'em.

Let me mull this over... It's been awhile since I
mucked with SysV stuff ;)

Jeff Trawick wrote:
> I think that works only with shared memory.  See APUE.
> For shared mem, after IPC_RMID the segment "is not
> actually removed until the last process using the segment
> termintes or detaches it."
> For sems: "The removal is immediate.  Any other process
> still using the semaphore will get an error of EIDRM
> on the next attempted operation on the semaphore."
> -- 
> Jeff Trawick | | PGP public key at web site:
>           Born in Roswell... married an alien...

   Jim Jagielski   [|]   [|]
                "Are you suggesting coconuts migrate??"

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