On Wed, 27 Jul 2011 15:08:21 +0200 Cedric BAIL <cedric.b...@free.fr> wrote:
> On Wed, Jul 27, 2011 at 1:17 PM, Mike McCormack > <mj.mccorm...@samsung.com> wrote: > > This patch adds some level of thread safety to ecore. > > It does not add thread awareness (i.e. adding a timer from a thread > > will not wake a sleeping main loop). > > So it will most of the time work, but in some racy case, not. Sounds > to me like this doesn't change much from the current behaviour. I > agree, it will work more often than previously, but still hidding bug > until it's to late. > > > In my experience, developers either are ignorant of the problems of > > threads, or expect libraries to magically work with threads. > > People should never use things they don't understand... and so few > people understand threads. Just one question, do they use ecore_thread > or there own stuff ? > > > I understand that some people think that thread safety is not > > necessary, but IMO, the performance cost and complexity is easily > > outweighed by the benefit of meeting developer expectation. > > You can't make it work sanely, how are you planning to synchronize the > rendering state with your request from a thread. It's just not > possible, you are adding stuff to make it work more often, but that's > not thread safety and will lead to more complex issue to debug in the > futur. I would prefer that we advocate the use of ecore thread and use > eina thread debugging property to prevent efl call from outside of the > main loop by either asserting, displaying a backtrace or just spanking > (stuff that could turned on and off at compile time and help provide > development build or production build). > > I clearly disagree on that patch going in (and I am still not > discussing the issue of performance here). I agree with Cedric to disagree, purely on principle. Er, meaning I disagree with this patch. > > the performance cost and complexity is easily outweighed by the > > benefit of meeting developer expectation. That's the slippery slope that lead to most of todays software being so bloated. /me stops his early morning rant and gets breakfast. -- A big old stinking pile of genius that no one wants coz there are too many silver coated monkeys in the world.
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