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From Gregory Shimansky <gshiman...@gmail.com>
Subject Re: [drlvm] APR latest release is 1.2.7, we're using 1.2.6. Should we switch?
Date Thu, 23 Nov 2006 00:46:48 GMT
Geir Magnusson Jr. wrote:
> Gregory Shimansky wrote:
>> Hello
>> Today I've found a bug (HARMONY-2271) which lead down to APR 
>> implementation of getenv function on windows. I've looked at the APR 
>> page and found that there is a new release 1.2.7. In drlvm we still 
>> use 1.2.6.
>> While the bug which I've found was apparently fixed after 1.2.7 was 
>> released, we still some more patches (1 replaced file on linux, 3 on 
>> windows) for APR in drlvm, some of the patches may be redundant now.
>> Also some bugs which we still didn't find could be fixed. I know, some 
>> may be added too :). But I prefer to be optimistic. We could at least 
>> try to test APR 1.2.7 and remove patches which are no longer needed or 
>> even outdated.
> That sounds like a good plan.  Have we ever tried to offer our patches 
> to APR to get them in main releases?

I've compared the files which we have patched in APR with what APR-1.2.7 
has. The changes except for env.c which I've committed today are all in 
threading. A lot of things are different in 
include/arch/win32/apr_arch_thread_cond.h and locks/win32/thread_cond.c.

I don't know how really correct they are (they could be a source for 
threading bugs in drlvm too). I wouldn't try to submit this code without 
strong understanding about what is changing and why.

On linux just one line is different from APR-1.2.7. I don't know which 
issue caused this patch, and why apr_thread_yield apparently does 
nothing on Linux on original APR-1.2.7.


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