mpi_barrier 57 ompi/mpi/fortran/mpif-h/barrier_f.c mpi_barrier, mpi_barrier 104 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Barrier, mpi_barrier, MPI_BARRIER, (MPI_Fint *comm, MPI_Fint *ierr));