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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/c/bindings.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Errhandler_free = PMPI_Errhandler_free
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Errhandler_free";
int MPI_Errhandler_free(MPI_Errhandler *errhandler)
{
/* Error checking */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
/* Raise an MPI exception if we got NULL or if we got an intrinsic
*and* the reference count is 1 (meaning that this FREE would
actually free the underlying intrinsic object). This is ugly
but necessary -- see below. */
if (NULL == errhandler ||
(ompi_errhandler_is_intrinsic(*errhandler) &&
1 == (*errhandler)->super.obj_reference_count)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
"MPI_Errhandler_free");
}
}
/* Return the errhandler. According to MPI-2 errata, any errhandler
obtained by MPI_*_GET_ERRHANDLER or MPI_ERRHANDLER_GET must also
be freed by MPI_ERRHANDLER_FREE (including intrinsic error
handlers). For example, this is valid:
int main() {
MPI_Errhandler errhdl;
MPI_Init(NULL, NULL);
MPI_Comm_get_errhandler(MPI_COMM_WORLD, &errhdl);
MPI_Errhandler_free(&errhdl);
MPI_Finalize();
return 0;
}
So decrease the refcount here. */
OBJ_RELEASE(*errhandler);
*errhandler = MPI_ERRHANDLER_NULL;
/* All done */
return MPI_SUCCESS;
}
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