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From "Geir Magnusson Jr." <g...@pobox.com>
Subject Re: [drlvm][threading] comments on Harmony-3288
Date Mon, 05 Mar 2007 13:29:32 GMT

On Mar 5, 2007, at 6:14 AM, Peter Novodvorsky wrote:

> I fully agree with Weldon, I only want to notice that better
> implementation would be not #ifdef'ing platform dependent lines, but
> implementing hymutex/hyconds with platform dependent synchronization
> primitives as separate files for windows and linux and then using them
> for implementing threads synchronization. This way we will recreate
> parts of APR, but it's not a problem, because we have different
> focuses (APR authors focus on Apache HTTPD in the end).

I think I agree with all of you.  I was fairly skeptical about APR  
from the very beginning, noting that we have a set of requirements  
that's different than the original customer for APR.

Glad to see this moving forward this way.


> Peter.
> On 3/5/07, Weldon Washburn <weldonwjw@gmail.com> wrote:
>> This JIRA does not specifically state the high-level motivation.   
>> It would
>> be a good idea to discuss the motivation on the dev list so that  
>> Harmony
>> priorities are clearly set.  I throw the following observations  
>> onto the
>> list to get the conversation going.
>> I think a valid motivation for H3288 is basic threading subsystem
>> stability.  I agree with the observation that Apache Portable  
>> Runtime (APR)
>> adds much confusion and probably even bugs to the threading  
>> model.   It
>> would be good to reduce the amount of APR code where possible.   
>> Even if this
>> means cluttering the native C code with "#ifdef LINUX.... #elseif
>> WINDOWS...#endif".
>> Bottom line:  I think Harmony-3288 is attacking the correct  
>> problem.  It
>> looks like it is going the right direction.  I have not looked at  
>> 3288 real
>> close thus I don't know yet if 3288 is ready for commit.
>> --
>> Weldon Washburn
>> Intel Enterprise Solutions Software Division

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