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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: errfree.c,v 6.8 2002/12/11 19:15:10 jsquyres Exp $
*
* Function: - free error handler
* Accepts: - ptr error handler
* Returns: - MPI_SUCCESS or error code
*/
#include <stdlib.h>
#include <blktype.h>
#include <mpi.h>
#include <mpisys.h>
#include <MPISYSF.h>
/*@
MPI_Errhandler_free - Frees an MPI-style errorhandler
Input Parameter:
. errhandler - MPI error handler (handle). Set to 'MPI_ERRHANDLER_NULL' on
exit.
.N fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_ARG
.N ACK
@*/
int MPI_Errhandler_free(MPI_Errhandler* errhdl)
{
lam_initerr_m();
lam_setfunc_m(BLKMPIERRFREE);
/*
* Check the arguments.
*/
if (errhdl == 0 || *errhdl == MPI_ERRHANDLER_NULL) {
return(lam_errfunc(MPI_COMM_WORLD,
BLKMPIERRFREE, lam_mkerr(MPI_ERR_ARG, EINVAL)));
}
/*
* Only internal library calls can free predefined handlers.
*/
if (lam_numfuncs() == 1 && (*errhdl == MPI_ERRORS_ARE_FATAL
|| *errhdl == MPI_ERRORS_RETURN)) {
return(lam_errfunc(MPI_COMM_WORLD,
BLKMPIERRFREE, lam_mkerr(MPI_ERR_ARG, EINVAL)));
}
/*
* Free the handler.
*/
if (--((*errhdl)->eh_refcount) == 0) {
if (*errhdl == MPI_ERRORS_ARE_FATAL
|| *errhdl == MPI_ERRORS_RETURN) {
return(lam_errfunc(MPI_COMM_WORLD,
BLKMPIERRFREE,
lam_mkerr(MPI_ERR_INTERN, EPERM)));
}
if ((*errhdl)->eh_f77handle >= 0) {
lam_F_free_hdl((*errhdl)->eh_f77handle);
}
free((char *) *errhdl);
}
*errhdl = MPI_ERRHANDLER_NULL;
lam_resetfunc_m(BLKMPIERRFREE);
return(MPI_SUCCESS);
}
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