Re: [Linuxptp-users] Fw: “Resource temporarily unavailable” errors during flood ping test

[Keller, J. E <jac...@in...>]

> -----Original Message-----
> From: Stephan Gatzka [mailto:ste...@gm...]
> Sent: Tuesday, October 30, 2012 12:35 PM
> To: Richard Cochran
> Cc: lin...@li...
> Subject: Re: [Linuxptp-users] Fw: “Resource temporarily unavailable”
> errors during flood ping test
> 
> 
> >>   --- a/sk.c
> >>   +++ b/sk.c
> >>
> >>    		}
> >>    		if (errno == EINTR) {
> >>    			try_again++;
> >>   -		} else if (errno == EAGAIN) {
> >>   +		} else if ((errno == EAGAIN ) || (errno == EWOULDBLOCK)) {
> >
> > This does not accomplish anything since:
> >
> > --- /usr/include/asm-generic/errno.h ---
> 
> The man page for recvmsg suggest to check both just for portability. But
> maybe the whole stuff is so much Linux dependent that it probably makes
> no sense to distinguish both.
> 

It is completely 100% Linux (of very recent kernels!) dependant. It makes no sense to attempt to be more portable because the interfaces for ptp and hwtimestamps are completely non-portable....

- Jake

> Regards,
> 
> Stephan