> On Jan. 8, 2015, 7:12 p.m., Milian Wolff wrote:
> > personally, I also think that if you tested and it works, and Allan has no 
> > objections, that you can go ahead and push this. but please don't comment 
> > out code, just remove it.

OK, will do.

I'll give it a bit more testing, though. Mutex locking without timeouts could 
lead to deadlocks, and maybe that's why the feature was disabled on OS X (maybe 
someone even ran into such a deadlock).


- René J.V.


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On Jan. 8, 2015, 6:09 p.m., René J.V. Bertin wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/121930/
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> 
> (Updated Jan. 8, 2015, 6:09 p.m.)
> 
> 
> Review request for KDE Software on Mac OS X, kdelibs and Allen Winter.
> 
> 
> Repository: kdelibs
> 
> 
> Description
> -------
> 
> This patch improves KSharedData on 2 points:
> 
> - It enables `KSDC_THREAD_PROCESS_SHARED_SUPPORTED` on OS X because even if 
> the OS cannot do timeouts on mutex locking, it does have Posix mutexes 
> (pthreads). I don't know why this was deactivated explicitly on OS X (do you 
> remember, Allan?), but haven't seen issues with 
> KSDC_THREAD_PROCESS_SHARED_SUPPORTED - for now.
> 
> - OS X doesn't have `posix_fallocate()`, but an emulation of this function is 
> available in the Mozilla code (reference found on StackOverflow). The code 
> seems to be license-compatible, so I removed the code for non-OS X platforms, 
> and include it in `kshareddatacache_p.h`. Again, this seems to work.
> 
> 
> Diffs
> -----
> 
>   kdecore/util/kshareddatacache_p.h 931de4d 
>   kdecore/util/posix_fallocate_mac.h PRE-CREATION 
> 
> Diff: https://git.reviewboard.kde.org/r/121930/diff/
> 
> 
> Testing
> -------
> 
> On OS X 10.9.5 with kdelibs 4.14.4 and KDE PIM 4.13.3 (I use KMail as my 
> default MUA).
> 
> 
> Thanks,
> 
> René J.V. Bertin
> 
>

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