Adding RTEMS_INTERRUPTED

[Peter Dufault]

> On Oct 4, 2019, at 14:04 , Joel Sherrill <joel at rtems.org> wrote:
> 
> Hi
> 
> I am now looking at the second phase of processing <ctl>-C to generate SIGINTR is 
> to have read() return -1/EINTR. I want to specifically add this support to termios 
> although I think other file types would have to address this independently, 
> 
> For termios, we need rtems_deviceio_read() to return -1/EINTR but it returns -1/errno 
> based on rtems_status_code from rtems_io_read(). The issue is that we don't have 
> anything that maps to EINTR in the rtems_status_code enumeration.
> 
> Is there any objection to adding RTEMS_INTERRUPTED as a status code?
> 
> I am open to suggestions for a better name.
> 

Do you see a use for RTEMS_INTERRUPTED instead of to support EINTR defined behavior?  If you don't I'd name it RTEMS_EINTR so that it isn't overloaded.

Peter
-----------------
Peter Dufault
HD Associates, Inc.      Software and System Engineering

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