1 /*
2 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
3 * University Research and Technology
4 * Corporation. All rights reserved.
5 * Copyright (c) 2004-2017 The University of Tennessee and The University
6 * of Tennessee Research Foundation. All rights
7 * reserved.
8 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
9 * University of Stuttgart. All rights reserved.
10 * Copyright (c) 2004-2005 The Regents of the University of California.
11 * All rights reserved.
12 * Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
13 * $COPYRIGHT$
14 *
15 * Additional copyrights may follow
16 *
17 * $HEADER$
18 */
19
20 #include "ompi_config.h"
21
22 #include "coll_sync.h"
23
24
25 /*
26 * exscan
27 *
28 * Function: - exscan
29 * Accepts: - same arguments as MPI_Exscan()
30 * Returns: - MPI_SUCCESS or error code
31 */
32 int mca_coll_sync_exscan(const void *sbuf, void *rbuf, int count,
33 struct ompi_datatype_t *dtype,
34 struct ompi_op_t *op,
35 struct ompi_communicator_t *comm,
36 mca_coll_base_module_t *module)
37 {
38 mca_coll_sync_module_t *s = (mca_coll_sync_module_t*) module;
39
40 if (s->in_operation) {
41 return s->c_coll.coll_exscan(sbuf, rbuf, count, dtype, op, comm,
42 s->c_coll.coll_exscan_module);
43 }
44 COLL_SYNC(s, s->c_coll.coll_exscan(sbuf, rbuf, count, dtype, op, comm,
45 s->c_coll.coll_exscan_module));
46 }