1! 2! Copyright (C) by Argonne National Laboratory 3! See COPYRIGHT in top-level directory 4! 5 6subroutine MPI_File_write_at_f08ts(fh, offset, buf, count, datatype, status, ierror) 7 use, intrinsic :: iso_c_binding, only : c_loc, c_associated 8 use, intrinsic :: iso_c_binding, only : c_int, c_ptr 9 use :: mpi_f08, only : MPI_File, MPI_Datatype, MPI_Status 10 use :: mpi_f08, only : MPI_OFFSET_KIND 11 use :: mpi_f08, only : MPI_STATUS_IGNORE, MPIR_C_MPI_STATUS_IGNORE, assignment(=) 12 use :: mpi_f08, only : MPI_File_f2c, MPI_File_c2f 13 use :: mpi_c_interface, only : c_File, c_Datatype 14 use :: mpi_c_interface, only : c_Status 15 use :: mpi_c_interface, only : MPIR_File_write_at_cdesc 16 17 implicit none 18 19 type(MPI_File), intent(in) :: fh 20 integer(MPI_OFFSET_KIND), intent(in) :: offset 21 type(*), dimension(..), intent(in) :: buf 22 integer, intent(in) :: count 23 type(MPI_Datatype), intent(in) :: datatype 24 type(MPI_Status), target :: status 25 integer, optional, intent(out) :: ierror 26 27 integer(c_File) :: fh_c 28 integer(MPI_OFFSET_KIND) :: offset_c 29 integer(c_int) :: count_c 30 integer(c_Datatype) :: datatype_c 31 type(c_Status), target :: status_c 32 integer(c_int) :: ierror_c 33 34 fh_c = MPI_File_f2c(fh%MPI_VAL) 35 if (c_int == kind(0)) then 36 if (c_associated(c_loc(status), c_loc(MPI_STATUS_IGNORE))) then 37 ierror_c = MPIR_File_write_at_cdesc(fh_c, offset, buf, count, datatype%MPI_VAL, MPIR_C_MPI_STATUS_IGNORE) 38 else 39 ierror_c = MPIR_File_write_at_cdesc(fh_c, offset, buf, count, datatype%MPI_VAL, c_loc(status)) 40 end if 41 else 42 offset_c = offset 43 count_c = count 44 datatype_c = datatype%MPI_VAL 45 if (c_associated(c_loc(status), c_loc(MPI_STATUS_IGNORE))) then 46 ierror_c = MPIR_File_write_at_cdesc(fh_c, offset_c, buf, count_c, datatype_c, MPIR_C_MPI_STATUS_IGNORE) 47 else 48 ierror_c = MPIR_File_write_at_cdesc(fh_c, offset_c, buf, count_c, datatype_c, c_loc(status_c)) 49 status = status_c 50 end if 51 end if 52 53 if (present(ierror)) ierror = ierror_c 54 55end subroutine MPI_File_write_at_f08ts 56