Re: ISO/IEC 14519 - Ada POSIX binding

[Mark Lorenzen <mark.lorenzen@ofir.dk>]

Kilgallen@SpamCop.net (Larry Kilgallen) writes:

> In article <m3brwrrrof.fsf@insalien.org>, Ludovic Brenta <ludovic.brenta@insalien.org> writes:
> 
> > As noted elsewhere in this thread, POSIX.5 uses an exception
> > (Posix.Posix_Error) to report that an error occurred, and an
> > "errno"-like variable to specify what kind of error occurred.  Thanks
> > to the exception, a lot of the ugliness goes away, and thanks to the
> > variable, it is easier to add new error codes to POSIX.5 without
> > breaking existing apps.
> 
> Is that variable specific to a single task ?
> 
> How does one accomplish that without declaring it within the task ?
> 
> If it is not specific to a single task, how does one avoid conflict
> between tasks on simultaneous errors ?

It is specific to a single task, just like it is specific to a C thread.

- Mark