[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 22 Sep 2020 16:33:43 -0400
From: Jeffrey Walton <noloader@...il.com>
To: musl@...ts.openwall.com
Subject: Re: Re: OS detection wrong on Alpine Linux 3.10
On Tue, Sep 22, 2020 at 4:18 PM Bruno Haible <bruno@...sp.org> wrote:
> ...
> > It's true that implementations have a number of things that are
> > implementation defined, and that the standards specify this as having
> > a documented behavior (which the party reading the documentation can
> > then rely upon). At present musl does not have sufficient
> > documentation in this regard; I began the work of enumerating all the
> > impl-defined behaviors at one point with a goal of documenting them
> > but it was never completed.
>
> It is good to attempt to document such things. But I doubt anyone can
> ever produce a complete documentation of this kind:
>
> * For many system calls, when POSIX specifies an errno X for condition A,
> and an errno Y for condition B, then if both A and B apply, often
> the implementation is free to return errno X or Y. There are many
> system calls and many possible combinations of conditions...
Not to mention SELinux hijacking error codes and errno so you go
chasing the wrong cause of an error...
Jeff
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
