[dpdk-users] Is DPDK compatible with C++11 threads?

[Wiles, Keith]

> On Nov 8, 2016, at 5:12 AM, David Aldrich <David.Aldrich at EMEA.NEC.COM> wrote:
> 
> Hi
> 
> As a beginner with DPDK, I want to consider how we can convert an existing Linux application from using the kernel network stack to using DPDK.
> 
> This existing app is multi-threaded, using the C++11 thread, mutex etc. classes.  We assign threads to cores by calling pthread_setaffinity_np().
> 
> I have looked at the DPDK helloworld application and see that it launches threads using the DPDK API:
> 
>               /* call lcore_hello() on every slave lcore */
>               RTE_LCORE_FOREACH_SLAVE(lcore_id) {
>                              rte_eal_remote_launch(lcore_hello, NULL, lcore_id);
>               }
> 
> If we use DPDK, can we retain our existing C++11 threads or are we obliged to use the DPDK threading APIs exclusively?

You should be able to use the standard C++11 threads I believe, in DPDK we are just using pthreads and set affinity to lock a thread to a core. You can still use pthreads in your application.

> 
> Perhaps a more basic question is applicable: is DPDK compatible with C++?

I believe building DPDK with C++ code does work,  but I have not tried it myself.

> 
> Best regards
> 
> David
> 
> 
> 
> Best regards
> 
> David
> 

Regards,
Keith