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openmpi/ompi/mpi/c/win_set_errhandler.c
Jeff Squyres 7e210fdaf8 Return MPI_ERR_COMM and MPI_ERR_WIN, respectively, for
MPI_COMM|WIN_SET|GET_ERRHANDLER if a bad MPI handle is passed.  Thanks
to Lisandro Dalcín for reporting the issue.

This commit was SVN r20615.
2009-02-20 19:53:48 +00:00

75 строки
2.5 KiB
C

/*
* Copyright (c) 2004-2007 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 (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/win/win.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Win_set_errhandler = PMPI_Win_set_errhandler
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Win_set_errhandler";
int MPI_Win_set_errhandler(MPI_Win win, MPI_Errhandler errhandler)
{
MPI_Errhandler tmp;
OPAL_CR_NOOP_PROGRESS();
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_win_invalid(win)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN,
FUNC_NAME);
} else if (NULL == errhandler ||
MPI_ERRHANDLER_NULL == errhandler ||
(OMPI_ERRHANDLER_TYPE_WIN != errhandler->eh_mpi_object_type &&
OMPI_ERRHANDLER_TYPE_PREDEFINED != errhandler->eh_mpi_object_type) ) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ARG, FUNC_NAME);
}
}
/* Ditch the old errhandler, and decrement its refcount. On 64
bits environments we have to make sure the reading of the
error_handler became atomic. */
do {
tmp = win->error_handler;
} while (!OPAL_ATOMIC_CMPSET(&(win->error_handler), tmp, tmp));
OBJ_RELEASE(tmp);
/* Now set the new errhandler and increase its refcount */
do {
win->error_handler = errhandler;
} while (!OPAL_ATOMIC_CMPSET(&(errhandler), win->error_handler,
win->error_handler));
win->error_handler = errhandler;
OBJ_RETAIN(errhandler);
/* All done */
return MPI_SUCCESS;
}