[Bug fortran/34533] DTIME returns total process time and not since last invocation

[kargl at gcc dot gnu dot org]

------- Comment #4 from kargl at gcc dot gnu dot org  2007-12-20 18:26 -------
(In reply to comment #3)
> Another question: contrary to g77, we now have support for OpenMP. How about
> concurrency issues? Shall DTIME give the time since the last invokation from
> any thread, i.e. maintain a global storage, or the last invokation from the
> same thread, i.e. thread local storage?
> 

I think gfortran will need to handle it similar to how random_seed is done.
See libgfortran/intrinsics/random.c.  In fact, one could potentially import
the code from random.c into dtime with only a minimum effort (famaous last
words).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34533