Experimental Physics and
Industrial Control System

Chris Johns via Core-talk <core-talk at aps.anl.gov> · Sat, 9 Jan 2021 09:41:29 +1100

On 8/1/21 2:58 pm, Johnson, Andrew N. wrote:
> Hi Chris,
> 
> On Jan 7, 2021, at 7:21 PM, Chris Johns via Core-talk <core-talk at aps.anl.gov
> <mailto:core-talk at aps.anl.gov>> wrote:
>>
>> On 6/1/21 2:47 am, mdavidsaver via Core-talk wrote:
>>> Do you mean your patch to be a proof of concept, or to be accepted as
>>> is?  If the later, compatibility with the embedded RTOS targets (RTEMS
>>> 4.x and vxWorks) needs to be maintained.  These targets do not provide
>>> getifaddrs(), and would fail to compile with getifaddrs.patch.
>>
>> Just thought I would mention RTEMS 5 provides getifaddrs. It is present in
>> source for the RTEMS legacy networking code and the newer rtems-libbsd
>> networking stack we now provide. As indicated elsewhere in this thread there is
>> no defines to indicate it is available.
> 
> Thanks, that’s good to know, and shouldn’t be a problem. Once we merge the
> RTEMS-5 support code into the epics-base/7.0 branch we will have 2 sets of
> sources for interfacing to RTEMS, one set for RTEMS-4 and one for RTEMS-5 (plus
> others that can be built for both). The way that Michael R has structured the
> latest version of this PR that means the new RTEMS-5 set should compile the new
> getifaddrs() version of the code, while the RTEMS-4 set will continue to use the
> original.

Nice.

> I think it’s likely that this PR will get merged before the RTEMS-5 port is
> ready, but work on that seems to be heating up.

This is excellent news.

Chris

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System