text: /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
  /*
   *
   *  (C) 2001 by Argonne National Laboratory.
   *      See COPYRIGHT in top-level directory.
   *
   * Portions of this code were written by Microsoft. Those portions are
   * Copyright (c) 2007 Microsoft Corporation. Microsoft grants
   * permission to use, reproduce, prepare derivative works, and to
   * redistribute to others. The code is licensed "as is." The User
   * bears the risk of using it. Microsoft gives no express warranties,
   * guarantees or conditions. To the extent permitted by law, Microsoft
   * excludes the implied warranties of merchantability, fitness for a
   * particular purpose and non-infringement.
   */
  
  #include "mpiimpl.h"
  #include "attr.h"
  
  /* -- Begin Profiling Symbol Block for routine MPI_Type_create_keyval */
  #if defined(HAVE_PRAGMA_WEAK)
  #pragma weak MPI_Type_create_keyval = PMPI_Type_create_keyval
  #elif defined(HAVE_PRAGMA_HP_SEC_DEF)
  #pragma _HP_SECONDARY_DEF PMPI_Type_create_keyval  MPI_Type_create_keyval
  #elif defined(HAVE_PRAGMA_CRI_DUP)
  #pragma _CRI duplicate MPI_Type_create_keyval as PMPI_Type_create_keyval
  #elif defined(HAVE_WEAK_ATTRIBUTE)
  int MPI_Type_create_keyval(MPI_Type_copy_attr_function * type_copy_attr_fn,
                             MPI_Type_delete_attr_function * type_delete_attr_fn,
                             int *type_keyval, void *extra_state)
      __attribute__ ((weak, alias("PMPI_Type_create_keyval")));
  #endif
  /* -- End Profiling Symbol Block */
  
  /* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build
     the MPI routines */
  #ifndef MPICH_MPI_FROM_PMPI
  #undef MPI_Type_create_keyval
  #define MPI_Type_create_keyval PMPI_Type_create_keyval
  
  #endif
  
  #undef FUNCNAME
  #define FUNCNAME MPI_Type_create_keyval
  #undef FCNAME
  #define FCNAME MPL_QUOTE(FUNCNAME)
  /*@
     MPI_Type_create_keyval - Create an attribute keyval for MPI datatypes
  
  Input Parameters:
  + type_copy_attr_fn - copy callback function for type_keyval (function)
  . type_delete_attr_fn - delete callback function for type_keyval (function)
  - extra_state - extra state for callback functions
  
  Output Parameters:
  . type_keyval - key value for future access (integer)
  
  Notes:
  
     Default copy and delete functions are available.  These are
  + MPI_TYPE_NULL_COPY_FN   - empty copy function
  . MPI_TYPE_NULL_DELETE_FN - empty delete function
  - MPI_TYPE_DUP_FN         - simple dup function
  
  .N AttrErrReturn
  
  .N ThreadSafe
  
  .N Fortran
  
  .N Errors
  .N MPI_SUCCESS
  .N MPI_ERR_OTHER
  @*/
  int MPI_Type_create_keyval(MPI_Type_copy_attr_function * type_copy_attr_fn,
                             MPI_Type_delete_attr_function * type_delete_attr_fn,
                             int *type_keyval, void *extra_state)
  {
      int mpi_errno = MPI_SUCCESS;
      MPII_Keyval *keyval_ptr;
      MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_CREATE_KEYVAL);
  
      MPIR_ERRTEST_INITIALIZED_ORDIE();
  
      MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
      MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_CREATE_KEYVAL);
  
      /* Validate parameters and objects (post conversion) */
  #ifdef HAVE_ERROR_CHECKING
      {
          MPID_BEGIN_ERROR_CHECKS;
          {
              MPIR_ERRTEST_ARGNULL(type_keyval, "type_keyval", mpi_errno);
          }
          MPID_END_ERROR_CHECKS;
      }
  #endif /* HAVE_ERROR_CHECKING */
  
      /* ... body of routine ...  */
  
      keyval_ptr = (MPII_Keyval *) MPIR_Handle_obj_alloc(&MPII_Keyval_mem);
      MPIR_ERR_CHKANDJUMP(!keyval_ptr, mpi_errno, MPI_ERR_OTHER, "**nomem");
  
      /* Initialize the attribute dup function */
      if (!MPIR_Process.attr_dup) {
          MPIR_Process.attr_dup = MPIR_Attr_dup_list;
          MPIR_Process.attr_free = MPIR_Attr_delete_list;
      }
  
      /* The handle encodes the keyval kind.  Modify it to have the correct
       * field */
      keyval_ptr->handle = (keyval_ptr->handle & ~(0x03c00000)) | (MPIR_DATATYPE << 22);
      MPIR_Object_set_ref(keyval_ptr, 1);
      keyval_ptr->was_freed = 0;
      keyval_ptr->kind = MPIR_DATATYPE;
      keyval_ptr->extra_state = extra_state;
      keyval_ptr->copyfn.user_function = type_copy_attr_fn;
      keyval_ptr->copyfn.proxy = MPII_Attr_copy_c_proxy;
      keyval_ptr->delfn.user_function = type_delete_attr_fn;
      keyval_ptr->delfn.proxy = MPII_Attr_delete_c_proxy;
  
      /* Tell finalize to check for attributes on permenant types */
      MPII_Datatype_attr_finalize();
  
      MPIR_OBJ_PUBLISH_HANDLE(*type_keyval, keyval_ptr->handle);
  
      /* ... end of body of routine ... */
  
    fn_exit:
      MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_TYPE_CREATE_KEYVAL);
      MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
      return mpi_errno;
  
    fn_fail:
      /* --BEGIN ERROR HANDLING-- */
  #ifdef HAVE_ERROR_CHECKING
      {
          mpi_errno =
              MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,
                                   "**mpi_type_create_keyval", "**mpi_type_create_keyval %p %p %p %p",
                                   type_copy_attr_fn, type_delete_attr_fn, type_keyval, extra_state);
      }
  #endif
      mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
      goto fn_exit;
      /* --END ERROR HANDLING-- */
  }
  