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From <...@covalent.net>
Subject Re: Accept mutex
Date Fri, 22 Jun 2001 15:17:48 GMT

Well, that all makes sense to me.  As does the added reasoning by Jeff,


Just kidding, +1, I'm behind this 100%.   :-)


On Fri, 22 Jun 2001, Jim Jagielski wrote:

> Well, that's it basically. APR chooses what's best on a per-platform
> basis, but it might not be the best choice for a per-environment
> basis. For example, on my Foobar box, APR may choose FCNTL, but
> I've enabled/added semaphores and want to use that. Instead of having
> to recompile, it would be nice to be able to simply edit and restart.
> Might also be a factor in resource control as well...
> Your concern about "if we do this, how do we determine the default
> mutex" is a good one, and I've been considering a DEFAULT type which
> is the one that APR currently chooses. That way, all would currently
> work as is, but people would have the option in httpd.conf to set
>     AcceptMutex  fcntl|flock|sysv|pthread|default...
> As far as someone choosing a method not supported on that platform,
> then an error-no-start or error-choose-default would be the 2
> options on how Apache/APR should handle that. I think I'd prefer the
> 'choose-default' reaction...
> At 6:53 AM -0700 6/22/01, <rbb@covalent.net> wrote:
> >
> >Could be cool.  But a quick question, what do you expect to gain with
> >this?  Is it for experimentation, or do you believe that having multiple
> >mutex types will be useful in the same production server?  Would this mean
> >that the Apache code would need to try multiple kinds of locks before it
> >necessarily found one that worked?
> >
> --
> ===========================================================================
>    Jim Jagielski   [|]   jim@jaguNET.com   [|]   http://www.jaguNET.com/
>                     "It's *good* to be the King."

Ryan Bloom                        	rbb@apache.org
406 29th St.
San Francisco, CA 94131

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