Basic OpenMP Test Program Not Exiting

[ivanpribec]

Maybe it is this issue

OpenMP and thread-safety of I/Os (write, read...)

Actually I am OK with my current practice of putting all I/Os in critical sections. I was just wondering of the thread-safety of I/Os was covered by the standards (Fortran and/or OpenMP) or not. It seems that the answer is “no” (in which case one should always use critical sections if one wants the code to be portable and not depend on a specific compiler). Do you have a link?

Can you try to use the modified program:

  !$OMP PARALLEL
    !$OMP CRITICAL
    PRINT *, "Hello from process: ", OMP_GET_THREAD_NUM()
    !$OMP END CRITICAL
  !$OMP END PARALLEL

Or maybe this other modification:

!$OMP PARALLEL
   id = omp_get_thread_num()
   print *, "Hello from process: ", id
!$OMP END PARALLEL

Just curious if it changes anything.