c++11 std::atomic

Sebastian Huber sebastian.huber at embedded-brains.de
Wed Jul 12 09:05:21 UTC 2017


Hello Mikhail,

On 12/07/17 10:59, Mikhail Svetkin wrote:
> Hi all,
>
> Does RTEMS support c++11 std::atomic?

yes, this is fully supported including libatomic from GCC.

>
> I've tried this example on ARMv7 in RTEMS 4.12(latest master).
>
> nt main() {
>   std::atomic<int> val;
>   val.store(0);
>   std::cout « "val:" « val.load() « std::endl;
>   val++;  // program is not responding

I guess this problem is related to the latest tool chain changes which 
made an ABI incompatible change in the Newlib struct _reent. Please 
remove the previous RTEMS 4.12 installation and update the tool chain 
via the RSB. Then update to the latest RTEMS master.

-- 
Sebastian Huber, embedded brains GmbH

Address : Dornierstr. 4, D-82178 Puchheim, Germany
Phone   : +49 89 189 47 41-16
Fax     : +49 89 189 47 41-09
E-Mail  : sebastian.huber at embedded-brains.de
PGP     : Public key available on request.

Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.




More information about the users mailing list