1
1
openmpi/ompi/mpi/c/win_fence.c
Josh Hursey dadca7da88 Merging in the jjhursey-ft-cr-stable branch (r13912 : HEAD).
This merge adds Checkpoint/Restart support to Open MPI. The initial
frameworks and components support a LAM/MPI-like implementation.

This commit follows the risk assessment presented to the Open MPI core
development group on Feb. 22, 2007.

This commit closes trac:158

More details to follow.

This commit was SVN r14051.

The following SVN revisions from the original message are invalid or
inconsistent and therefore were not cross-referenced:
  r13912

The following Trac tickets were found above:
  Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
2007-03-16 23:11:45 +00:00

60 строки
2.0 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/win/win.h"
#include "ompi/mca/osc/osc.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Win_fence = PMPI_Win_fence
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Win_fence";
int MPI_Win_fence(int assert, MPI_Win win)
{
int rc;
OPAL_CR_TEST_CHECKPOINT_READY();
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 (0 != (assert & ~(MPI_MODE_NOSTORE | MPI_MODE_NOPUT |
MPI_MODE_NOPRECEDE | MPI_MODE_NOSUCCEED))) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ASSERT, FUNC_NAME);
} else if (0 != (ompi_win_get_mode(win) &
(OMPI_WIN_POSTED | OMPI_WIN_STARTED))) {
/* If we're in a post or start, we can't be in a fence */
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_RMA_SYNC, FUNC_NAME);
}
}
rc = win->w_osc_module->osc_fence(assert, win);
OMPI_ERRHANDLER_RETURN(rc, win, rc, FUNC_NAME);
}