1! 2! Copyright (C) by Argonne National Laboratory 3! See COPYRIGHT in top-level directory 4! 5 6subroutine PMPIR_Barrier_f08(comm, ierror) 7 use, intrinsic :: iso_c_binding, only : c_int 8 use :: mpi_f08, only : MPI_Comm 9 use :: mpi_c_interface, only : c_Comm 10 use :: mpi_c_interface, only : MPIR_Barrier_c 11 12 implicit none 13 14 type(MPI_Comm), intent(in) :: comm 15 integer, optional, intent(out) :: ierror 16 17 integer(c_Comm) :: comm_c 18 integer(c_int) :: ierror_c 19 20 if (c_int == kind(0)) then 21 ierror_c = MPIR_Barrier_c(comm%MPI_VAL) 22 else 23 comm_c = comm%MPI_VAL 24 ierror_c = MPIR_Barrier_c(comm_c) 25 end if 26 27 if (present(ierror)) ierror = ierror_c 28 29end subroutine PMPIR_Barrier_f08 30