Thank you very much...

yangwei weiyang wei.a.yang at
Tue Apr 24 13:42:50 UTC 2012

Hi all,

Forgot attach the reference.


2012/4/24 yangwei weiyang <wei.a.yang at>:
> Hi all :
> My project is "atomic operation support for RTEMS". Its goal is to
> define and implement the atomic primitives for RTEMS which completely
> support multiprocessor systems. If the time is enough i will also
> implement additional synchronization primitives for the SMP systems.
> In order to debug RTEMS easily on the SMP system i will prefer to use
> the x86 architecture, and PowerPC is also my alternative architecture.
> Recently the ISO C11 specifications contain a new set of atomic types
> and operations which is supported by GCC 4.7.0 as a set of built-in
> functions. So using the C11 atomic operations is a perferred solution
> as a long-term development. But now its implementation is not stable
> enough so we can design a very thin atomic primitives API for RTEMS
> internal which wraps other reference implementation as a starting
> point. The API should be compatible with C11 atomic primitives
> definition as far as possible. In my proposal[1] i compared three
> design and implementations(Linux Kernel, NetBSD kernel, FreeBSD
> kernel) of atomic operations each of which has its advantages and
> disadvantages. In my opinion i will refer the FreeBSD kernel
> implementation. If you have any comment about this point please tell
> me. At the end of this summer i will implement the atomic operation
> API design and its implementations, with the needed test case.  If you
> have any good advice and comment please reply. Thanks!
> 2012/4/24 Joel Sherrill <joel.sherrill at>:
>> Please tell the community more about your project. :)
>> Welcome.
>> --joel
>> On 04/24/2012 07:50 AM, yangwei weiyang wrote:
>>> Hi all,
>>> I am also the accepted student whose proposal is "atomic operations for
>>> rtems",
>>> this is just a say hello mail. In the next months i will contribute
>>> all my summer to
>>> RTEMS and i will make a success story also.
>>> 2012/4/24 hans meyer<der_stuttgarter_25 at>:
>>>> Hi everyone,
>>>> just wanted to say i feel honored to be chosen for the GSOC2012.
>>>> I will try my best to make this a success story.
>>>> greetz and thanks again,
>>>> claas
>>>> _______________________________________________
>>>> rtems-devel mailing list
>>>> rtems-devel at
>> --
>> Joel Sherrill, Ph.D.             Director of Research&   Development
>> joel.sherrill at        On-Line Applications Research
>> Ask me about RTEMS: a free RTOS  Huntsville AL 35805
>>    Support Available             (256) 722-9985
> --
> Wei Yang
> Best Regards
> wei.a.yang at

Wei Yang
Best Regards

wei.a.yang at

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