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From: "Wiles, Keith" <keith.wiles@intel.com>
To: David Aldrich <David.Aldrich@EMEA.NEC.COM>
CC: "users@dpdk.org" <users@dpdk.org>
Thread-Topic: [dpdk-users] Is DPDK compatible with C++11 threads?
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Date: Tue, 8 Nov 2016 17:04:45 +0000
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Subject: Re: [dpdk-users] Is DPDK compatible with C++11 threads?
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> On Nov 8, 2016, at 5:12 AM, David Aldrich <David.Aldrich@EMEA.NEC.COM> wr=
ote:
>=20
> Hi
>=20
> As a beginner with DPDK, I want to consider how we can convert an existin=
g Linux application from using the kernel network stack to using DPDK.
>=20
> This existing app is multi-threaded, using the C++11 thread, mutex etc. c=
lasses.  We assign threads to cores by calling pthread_setaffinity_np().
>=20
> I have looked at the DPDK helloworld application and see that it launches=
 threads using the DPDK API:
>=20
>               /* call lcore_hello() on every slave lcore */
>               RTE_LCORE_FOREACH_SLAVE(lcore_id) {
>                              rte_eal_remote_launch(lcore_hello, NULL, lco=
re_id);
>               }
>=20
> If we use DPDK, can we retain our existing C++11 threads or are we oblige=
d 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 ca=
n still use pthreads in your application.

>=20
> 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 m=
yself.

>=20
> Best regards
>=20
> David
>=20
>=20
>=20
> Best regards
>=20
> David
>=20

Regards,
Keith