On 06/15/2015 03:35 AM, Dave Love wrote:
I don't understand a fourth argument of open(2), which I don't think
I've ever seen, and I assumed the arity was checked before, but I think
I mis-remembered the gcc mechanism. For what it's worth, I was building
on current RHEL 6.
I wasn't involved in this feature, but it looks like OrangeFS is taking
advantage of open() being declared with variable length arguments to
pass in a fourth "hint" parameter.
Becky, I've got a Centos VM with the same "__open_too_many_args" check:
$ cat /etc/redhat-release
CentOS release 6.6 (Final)
but orangefs still builds. I guess there's some kind of glibc feature
that's enabled by default on recent tool chains.
==rob
--
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA
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