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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* 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) 2014 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/win/win.h"
#include "ompi/mca/osc/osc.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Win_lock = PMPI_Win_lock
#endif
#define MPI_Win_lock PMPI_Win_lock
#endif
static const char FUNC_NAME[] = "MPI_Win_lock";
int MPI_Win_lock(int lock_type, int rank, int assert, MPI_Win win)
{
int rc;
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 (lock_type != MPI_LOCK_EXCLUSIVE &&
lock_type != MPI_LOCK_SHARED) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_LOCKTYPE, FUNC_NAME);
} else if (ompi_win_peer_invalid(win, rank)) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_RANK, FUNC_NAME);
} else if (0 != (assert & ~(MPI_MODE_NOCHECK))) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_ASSERT, FUNC_NAME);
} else if (! ompi_win_allow_locks(win)) {
return OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_RMA_SYNC, FUNC_NAME);
}
}
/* NTH: do not bother keeping track of locking MPI_PROC_NULL. */
if (MPI_PROC_NULL == rank) return MPI_SUCCESS;
rc = win->w_osc_module->osc_lock(lock_type, rank, assert, win);
OMPI_ERRHANDLER_RETURN(rc, win, rc, FUNC_NAME);
}
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