On Wed, Jan 23, 2013 at 4:44 PM, Thomas Rast <tr...@inf.ethz.ch> wrote:
> Erik Faye-Lund <kusmab...@gmail.com> writes:
>> On Wed, Jan 23, 2013 at 4:32 PM, Thomas Rast <tr...@student.ethz.ch> wrote:
>>> Erik Faye-Lund <kusmab...@gmail.com> writes:
>>>> POSIX allows error codes
>>>> to be generated other than those defined. From
>>>> http://pubs.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_03.html:
>>>> "Implementations may support additional errors not included in this
>>>> list, *may generate errors included in this list under circumstances
>>>> other than those described here*, or may contain extensions or
>>>> limitations that prevent some errors from occurring."
>>> That same page says, however:
>>>   For functions under the Threads option for which [EINTR] is not listed
>>>   as a possible error condition in this volume of IEEE Std 1003.1-2001,
>>>   an implementation shall not return an error code of [EINTR].
>> Yes, but surely that's for pthreads functions, no? utime is not one of
>> those functions...
> Ah, my bad.  In fact in
>   http://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xsh_chap02.html
> there is a paragraph "Signal Effects on Other Functions", which says
> <snip>
> Taken together this should mean that the bug is in fact simply that the
> calls do not *restart*.  They are (like you say) allowed to return EINTR
> despite not being specified to, *but* SA_RESTART should restart it.

Right, thanks for clearing that up.

> Now, does that make it a lustre bug or a glibc bug? :-)

That's kind of uninteresting, the important bit is that it is indeed a
bug (outside of Git).
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