1! 2! Copyright (C) by Argonne National Laboratory 3! See COPYRIGHT in top-level directory 4! 5 6subroutine PMPIR_File_read_shared_f08ts(fh, 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_STATUS_IGNORE, MPIR_C_MPI_STATUS_IGNORE, assignment(=) 11 use :: mpi_f08, only : MPI_File_f2c, MPI_File_c2f 12 use :: mpi_c_interface, only : c_File, c_Datatype 13 use :: mpi_c_interface, only : c_Status 14 use :: mpi_c_interface, only : MPIR_File_read_shared_cdesc 15 16 implicit none 17 18 type(MPI_File), intent(in) :: fh 19 type(*), dimension(..) :: buf 20 integer, intent(in) :: count 21 type(MPI_Datatype), intent(in) :: datatype 22 type(MPI_Status), target :: status 23 integer, optional, intent(out) :: ierror 24 25 integer(c_File) :: fh_c 26 integer(c_int) :: count_c 27 integer(c_Datatype) :: datatype_c 28 type(c_Status), target :: status_c 29 integer(c_int) :: ierror_c 30 31 fh_c = MPI_File_f2c(fh%MPI_VAL) 32 if (c_int == kind(0)) then 33 if (c_associated(c_loc(status), c_loc(MPI_STATUS_IGNORE))) then 34 ierror_c = MPIR_File_read_shared_cdesc(fh_c, buf, count, datatype%MPI_VAL, MPIR_C_MPI_STATUS_IGNORE) 35 else 36 ierror_c = MPIR_File_read_shared_cdesc(fh_c, buf, count, datatype%MPI_VAL, c_loc(status)) 37 end if 38 else 39 count_c = count 40 datatype_c = datatype%MPI_VAL 41 if (c_associated(c_loc(status), c_loc(MPI_STATUS_IGNORE))) then 42 ierror_c = MPIR_File_read_shared_cdesc(fh_c, buf, count_c, datatype_c, MPIR_C_MPI_STATUS_IGNORE) 43 else 44 ierror_c = MPIR_File_read_shared_cdesc(fh_c, buf, count_c, datatype_c, c_loc(status_c)) 45 status = status_c 46 end if 47 end if 48 49 if (present(ierror)) ierror = ierror_c 50 51end subroutine PMPIR_File_read_shared_f08ts 52