1!
2! Copyright (C) by Argonne National Laboratory
3!     See COPYRIGHT in top-level directory
4!
5
6subroutine PMPIR_Type_delete_attr_f08(datatype, type_keyval, ierror)
7    use, intrinsic :: iso_c_binding, only : c_int
8    use :: mpi_f08, only : MPI_Datatype
9    use :: mpi_c_interface, only : c_Datatype
10    use :: mpi_c_interface, only : MPIR_Type_delete_attr_c
11
12    implicit none
13
14    type(MPI_Datatype), intent(in) :: datatype
15    integer, intent(in) :: type_keyval
16    integer, optional, intent(out) :: ierror
17
18    integer(c_Datatype) :: datatype_c
19    integer(c_int) :: type_keyval_c
20    integer(c_int) :: ierror_c
21
22    if (c_int == kind(0)) then
23        ierror_c = MPIR_Type_delete_attr_c(datatype%MPI_VAL, type_keyval)
24    else
25        datatype_c = datatype%MPI_VAL
26        type_keyval_c = type_keyval
27        ierror_c = MPIR_Type_delete_attr_c(datatype_c, type_keyval_c)
28    end if
29
30    if (present(ierror)) ierror = ierror_c
31
32end subroutine PMPIR_Type_delete_attr_f08
33