[cfe-dev] status of 'thread_local'

[James Gregurich]

thanks all for the info. 

On Oct 16, 2012, at 1:59 PM, James Gregurich <bayoubengal at me.com> wrote:

> hmmm.   I just ran the test against the 10.7 SDK again and it worked. I'm not sure what I had wrong the first time. 
> 
> ok.  "__thread" works for me. I have to encapsulate the implementation anyway as my code currently uses boost::thread_specific_ptr and it must continue to work on 10.6. 
> 
> 
> 
> 
> On Oct 16, 2012, at 1:45 PM, Jean-Daniel Dupas <devlists at shadowlab.org> wrote:
> 
>> Can you define "does not work" ? 
>> 
>> I just compiled the following code in C++ mode, and it generate the expected llvm assembly:
>> 
>> __thread int foo;
>> 
>> int main(int arcg, char **argv) { return 0; }
>> 
>> ====== output:
>> 
>> @foo = thread_local global i32 0, align 4
>> 
>> define i32 @main(i32 %arcg, i8** %argv) nounwind uwtable ssp {
>> entry:
>>   %retval = alloca i32, align 4
>> …
>> 
>> 
>> 
>> Le 16 oct. 2012 à 22:40, James Gregurich <bayoubengal at me.com> a écrit :
>> 
>>> Is it C-only? I ran a test with C++ and it didn't work. Does it work with C++ and I need to supply some flag to compiler to enable it? I'll poke around with google and see what info I can dig up.
>>> 
>>> 
>>> 
>>> 
>>> On Oct 16, 2012, at 1:34 PM, Jean-Daniel Dupas <devlists at shadowlab.org> wrote:
>>> 
>>>> 
>>>> Le 16 oct. 2012 à 21:04, James Gregurich <bayoubengal at me.com> a écrit :
>>>> 
>>>>> howdy!
>>>>> 
>>>>> What is the status of 'thread_local' support in clang? is that something that will be delivered in the next few months? later? never will be delivered? has been delivered, but the website not updated?
>>>>> 
>>>> 
>>>> AFAIK, thread locals are supported in C using the __thread keyword on platform that support it for some times (OS X 10.7 for Mach-O, ELF platforms, …).
>>>> 
>>>> 
>>>> -- Jean-Daniel
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> cfe-dev mailing list
>>>> cfe-dev at cs.uiuc.edu
>>>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>> 
>> 
>> -- Jean-Daniel
>> 
>> 
>> 
>> 
> 
> _______________________________________________
> cfe-dev mailing list
> cfe-dev at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/cfe-dev/attachments/20121016/cd8606ef/attachment.html>