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/*
* Copyright (c) 2001-2002 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 1998-2001 University of Notre Dame.
* All rights reserved.
* Copyright (c) 1994-1998 The Ohio State University.
* All rights reserved.
*
* This file is part of the LAM/MPI software package. For license
* information, see the LICENSE file in the top level directory of the
* LAM/MPI source distribution.
*
* $HEADER$
*
* $Id: wfreekey.c,v 1.3 2002/12/11 19:15:15 jsquyres Exp $
*
* Function: - free window attribute key
* Accepts: - key value (in-out)
* Returns: - MPI_SUCCESS or error code
*/
#include <blktype.h>
#include <mpi.h>
#include <mpisys.h>
#include <terror.h>
/*@
MPI_Win_free_keyval - Free window attribute key
Input Parameter:
+ key - Key value (integer)
.N fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_TYPE
.N MPI_ERR_KEYVAL
.N MPI_ERR_ARG
.seealso MPI_Win_create_keyval(3), MPI_Win_get_attr(3), MPI_Win_set_attr(3), MPI_Win_delete_attr(3)
.N WEB
@*/
int MPI_Win_free_keyval(int *key)
{
int err;
lam_initerr();
lam_setfunc(BLKMPIWINFREEKEYVAL);
/*
* Check the arguments.
*/
if (key == 0) {
return(lam_errfunc(MPI_COMM_WORLD,
BLKMPIWINFREEKEYVAL, lam_mkerr(MPI_ERR_ARG, EINVAL)));
}
/*
* Free the key, if it is valid.
*/
if ((err = lam_freekey(*key, LAM_AKWIN)) != MPI_SUCCESS) {
return(lam_errfunc(MPI_COMM_WORLD, BLKMPIWINFREEKEYVAL, err));
}
*key = MPI_KEYVAL_INVALID;
lam_resetfunc(BLKMPIWINFREEKEYVAL);
return(MPI_SUCCESS);
}
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