1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
2 /*
3 * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
4 * University Research and Technology
5 * Corporation. All rights reserved.
6 * Copyright (c) 2004-2005 The University of Tennessee and The University
7 * of Tennessee Research Foundation. All rights
8 * reserved.
9 * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
10 * University of Stuttgart. All rights reserved.
11 * Copyright (c) 2004-2005 The Regents of the University of California.
12 * All rights reserved.
13 * Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
14 * Copyright (c) 2013 Los Alamos National Security, LLC. All rights
15 * reserved.
16 * Copyright (c) 2015 Research Organization for Information Science
17 * and Technology (RIST). All rights reserved.
18 * $COPYRIGHT$
19 *
20 * Additional copyrights may follow
21 *
22 * $HEADER$
23 */
24
25 #include "ompi_config.h"
26
27 #include "ompi/mpi/c/bindings.h"
28 #include "ompi/runtime/params.h"
29 #include "ompi/errhandler/errhandler.h"
30 #include "ompi/file/file.h"
31 #include "ompi/datatype/ompi_datatype.h"
32 #include "ompi/memchecker.h"
33
34 #if OMPI_BUILD_MPI_PROFILING
35 #if OPAL_HAVE_WEAK_SYMBOLS
36 #pragma weak MPI_File_write_at_all_begin = PMPI_File_write_at_all_begin
37 #endif
38 #define MPI_File_write_at_all_begin PMPI_File_write_at_all_begin
39 #endif
40
41 static const char FUNC_NAME[] = "MPI_File_write_at_all_begin";
42
43
MPI_File_write_at_all_begin(MPI_File fh,MPI_Offset offset,const void * buf,int count,MPI_Datatype datatype)44 int MPI_File_write_at_all_begin(MPI_File fh, MPI_Offset offset, const void *buf,
45 int count, MPI_Datatype datatype)
46 {
47 int rc;
48
49 MEMCHECKER(
50 memchecker_datatype(datatype);
51 memchecker_call(&opal_memchecker_base_isdefined, buf, count, datatype);
52 );
53
54 if (MPI_PARAM_CHECK) {
55 rc = MPI_SUCCESS;
56 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
57 if (ompi_file_invalid(fh)) {
58 fh = MPI_FILE_NULL;
59 rc = MPI_ERR_FILE;
60 } else if (count < 0) {
61 rc = MPI_ERR_COUNT;
62 } else {
63 OMPI_CHECK_DATATYPE_FOR_SEND(rc, datatype, count);
64 }
65 OMPI_ERRHANDLER_CHECK(rc, fh, rc, FUNC_NAME);
66 }
67
68 OPAL_CR_ENTER_LIBRARY();
69
70 /* Call the back-end io component function */
71
72 switch (fh->f_io_version) {
73 case MCA_IO_BASE_V_2_0_0:
74 rc = fh->f_io_selected_module.v2_0_0.
75 io_module_file_write_at_all_begin(fh, offset, buf, count,
76 datatype);
77 break;
78
79 default:
80 rc = MPI_ERR_INTERN;
81 break;
82 }
83
84 /* All done */
85
86 OMPI_ERRHANDLER_RETURN(rc, fh, rc, FUNC_NAME);
87 }
88