timerfd in FreeBSD jail?

[Grzegorz Junka]

On 06/09/2016 13:30, James Gritton wrote:
>> On 2016-09-06 07:08, Grzegorz Junka wrote:
>>> On 06/09/2016 12:49, James Gritton wrote:
>>> On 2016-09-06 05:38, Grzegorz Junka wrote:
>>> I am trying to compile dart-sdk in Centos 6 that's running in a
>>> FreeBSD jail. I am getting the following error:
>>>
>>> runtime/bin/eventhandler_linux.cc:114: error: Failed creating timerfd
>>> file descriptor: 38
>>>
>>> Is this a limitation of the jail or I need to enable something to have
>>> it available?
>>> No idea, given that error message and unfamiliarity with the 
>>> source.  Is there a linux system call or at >least library function 
>>> you can narrow it down to?
>>
>> Yes, this is when compiling sipxecs 
>> https://github.com/sipXcom/sipxecs, which uses the dart-sdk package 
>> >(dart_1.9.1-1_amd64.deb). The dart-sdk has been installed as 
>> instructed in this email (by unpacking a .deb):
>>
>> https://groups.google.com/forum/#!msg/sipxcom-dev/EeRsfbh32CA/QXalcr0S2p4J 
>>
>>
>> And the actual file with the error is here (probably not the same 
>> version):
>>
>> https://github.com/dart-lang/sdk/blob/master/runtime/bin/eventhandler_linux.cc#L114 
>>
>>
>> So, the linux call would be timerfd_create
>
> It's not a jail problem, but a linux emulation problem. timerfd_create 
> isn't implemented in FreeBSD's linux emulation.  Of note, the "38" is 
> linux's ENOSYS errno code.
>
> - Jamie

Oh, great, thanks for pointing that out.
Grzegorz