Please don't drop the Cc list!
"Brian J. Murrell" <br...@interlinx.bc.ca> writes:
>> What's odd is that while I cannot reproduce the original problem, there
>> seems to be another issue/bug with utime():
> I wonder if this is related to http://jira.whamcloud.com/browse/LU-305.
> That was reported as fixed in Lustre 2.0.0 and 2.1.0 but I thought I
> saw it on 2.1.1 and added a comment to the above ticket about that.
Aha, that's a very interesting bug report. My observations support
yours: I managed to get EINTR during utime().
>> In the absence of it, wouldn't we in theory have to write a simple
>> loop-on-EINTR wrapper for *all* syscalls?
> IIUC, that's what SA_RESTART is all about.
Yes, but there's precious little clear language on when SA_RESTART is
supposed to act. In all cases?
The wording on
leads me to believe that SA_RESTART is actually used on the glibc side
of things, so that any glibc syscall wrapper not specifically equipped
with the restarting behavior would return EINTR unmodified. This might
explain why utime() doesn't restart like it should (assuming we work on
the theory that POSIX doesn't allow an EINTR from utime() to begin
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