1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* 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) 2004-2006 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) 2010 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2015 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "opal/util/show_help.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/constants.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Init_thread = PMPI_Init_thread
#endif
#define MPI_Init_thread PMPI_Init_thread
#endif
static const char FUNC_NAME[] = "MPI_Init_thread";
int MPI_Init_thread(int *argc, char ***argv, int required,
int *provided)
{
int err;
if ( MPI_PARAM_CHECK ) {
if (required < MPI_THREAD_SINGLE || required > MPI_THREAD_MULTIPLE) {
ompi_mpi_errors_are_fatal_comm_handler(NULL, NULL, FUNC_NAME);
}
}
/*
* A thread compliant MPI implementation will be able to return provided
* = MPI_THREAD_MULTIPLE. Such an implementation may always return provided
* = MPI_THREAD_MULTIPLE, irrespective of the value of required.
*/
#if OMPI_ENABLE_THREAD_MULTIPLE
*provided = MPI_THREAD_MULTIPLE;
#else
*provided = MPI_THREAD_SINGLE;
#endif
/* Call the back-end initialization function (we need to put as
little in this function as possible so that if it's profiled, we
don't lose anything) */
if (NULL != argc && NULL != argv) {
err = ompi_mpi_init(*argc, *argv, required, provided);
} else {
err = ompi_mpi_init(0, NULL, required, provided);
}
/* Since we don't have a communicator to invoke an errorhandler on
here, don't use the fancy-schmancy ERRHANDLER macros; they're
really designed for real communicator objects. Just use the
back-end function directly. */
if (MPI_SUCCESS != err) {
return ompi_errhandler_invoke(NULL, NULL, OMPI_ERRHANDLER_TYPE_COMM,
err < 0 ? ompi_errcode_get_mpi_code(err) :
err, FUNC_NAME);
}
return MPI_SUCCESS;
}
|
