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 * gather
27 *
28 * Function: - gather
29 * Accepts: - same arguments as MPI_Gather()
30 * Returns: - MPI_SUCCESS or error code
31 */
32 int mca_coll_sync_gather(const void *sbuf, int scount,
33 struct ompi_datatype_t *sdtype,
34 void *rbuf, int rcount,
35 struct ompi_datatype_t *rdtype,
36 int root, struct ompi_communicator_t *comm,
37 mca_coll_base_module_t *module)
38 {
39 mca_coll_sync_module_t *s = (mca_coll_sync_module_t*) module;
40
41 if (s->in_operation) {
42 return s->c_coll.coll_gather(sbuf, scount, sdtype,
43 rbuf, rcount, rdtype, root, comm,
44 s->c_coll.coll_gather_module);
45 }
46 COLL_SYNC(s, s->c_coll.coll_gather(sbuf, scount, sdtype,
47 rbuf, rcount, rdtype, root, comm,
48 s->c_coll.coll_gather_module));
49 }