summaryrefslogtreecommitdiffstats
path: root/fortran/src/H5FDmpiof.c
blob: 1b2a89bb1f35b46d1239b102fe2ac254bb942f75 (plain)
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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  * Copyright by the Board of Trustees of the University of Illinois.         *
  * All rights reserved.                                                      *
  *                                                                           *
  * This file is part of HDF5.  The full HDF5 copyright notice, including     *
  * terms governing use, modification, and redistribution, is contained in    *
  * the files COPYING and Copyright.html.  COPYING can be found at the root   *
  * of the source code distribution tree; Copyright.html can be found at the  *
  * root level of an installed copy of the electronic HDF5 document set and   *
  * is linked from the top-level documents page.  It can also be found at     *
  * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html.  If you do not have     *
  * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/* This files contains C stubs for Parallel Fortran APIs */

#include "H5f90.h"
#include <mpi.h> 
#include "H5pubconf_fortran.h"


/* Support for C to Fortran translation in MPI */
#ifndef H5_HAVE_MPI_MULTI_LANG_Comm 
#define MPI_Comm_c2f(comm) (int_f)(comm)
#define MPI_Comm_f2c(comm) (MPI_Comm)(comm)
#endif /*MPI Comm*/
#ifndef H5_HAVE_MPI_MULTI_LANG_Info
#define MPI_Info_c2f(info) (int_f)(info)
#define MPI_Info_f2c(info) (MPI_Info)(info)
#endif /*MPI Info*/

/*----------------------------------------------------------------------------
 * Name:        h5pset_fapl_mpio_c
 * Purpose:     Call H5Pset_fapl_mpio to set mode for parallel I/O and the user 
 *              supplied communicator and info object 
 * Inputs:      prp_id - property list identifier
 *              comm   - MPI communicator 
 *              info   - MPI info object 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal 
 *              Thursday, October 26, 2000 
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5pset_fapl_mpio_c(hid_t_f *prp_id, int_f* comm, int_f* info)
{
     int ret_value = -1;
     hid_t c_prp_id;
     herr_t ret;
     MPI_Comm c_comm;
     MPI_Info c_info; 
     c_comm = MPI_Comm_f2c(*comm); 
     c_info = MPI_Info_f2c(*info);

     /*
      * Call H5Pset_mpi function.
      */
     c_prp_id = *prp_id;
     ret = H5Pset_fapl_mpio(c_prp_id, c_comm, c_info);
     if (ret < 0) return ret_value;
     ret_value = 0;
     return ret_value;
} 

/*----------------------------------------------------------------------------
 * Name:        h5pget_fapl_mpio_c
 * Purpose:     Call H5Pget_fapl_mpio to retrieve communicator and info object 
 * Inputs:      prp_id - property list identifier
 *              comm   - buffer to return MPI communicator 
 *              info   - buffer to return MPI info object 
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal 
 *              Thursday, October 26, 2000 
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5pget_fapl_mpio_c(hid_t_f *prp_id, int_f* comm, int_f* info)
{
     int ret_value = -1;
     hid_t c_prp_id;
     herr_t ret;
     MPI_Comm c_comm;
     MPI_Info c_info; 

     /*
      * Call H5Pget_mpi function.
      */
     c_prp_id = *prp_id;
     ret = H5Pget_fapl_mpio(c_prp_id, &c_comm, &c_info);
     if (ret < 0) return ret_value;
     *comm = (int_f) MPI_Comm_c2f(c_comm);
     *info = (int_f) MPI_Info_c2f(c_info);
     ret_value = 0;
     return ret_value;
} 
/*----------------------------------------------------------------------------
 * Name:        h5pset_dxpl_mpio_c
 * Purpose:     Call H5Pset_dxpl_mpio to set transfer mode of the dataset 
 *              trasfer property list 
 * Inputs:      prp_id - property list identifier
 *              data_xfer_mode - transfer mode
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal 
 *              Thursday, October 26, 2000 
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5pset_dxpl_mpio_c(hid_t_f *prp_id, int_f* data_xfer_mode)
{
     int ret_value = -1;
     hid_t c_prp_id;
     herr_t ret;
     H5FD_mpio_xfer_t c_data_xfer_mode;
/*
     int CASE;

     CASE = *data_xfer_mode;
     switch (CASE) {

        case H5FD_MPIO_INDEPENDENT_F:
             c_data_xfer_mode = H5FD_MPIO_INDEPENDENT;
             break;

        case H5FD_MPIO_COLLECTIVE_F:
             c_data_xfer_mode = H5FD_MPIO_COLLECTIVE;
             break;
        default:
          return ret_value;
      }
*/
     c_data_xfer_mode = (H5FD_mpio_xfer_t)*data_xfer_mode;
     /*
      * Call H5Pset_dxpl_mpio function.
      */
     c_prp_id = *prp_id;
     ret = H5Pset_dxpl_mpio(c_prp_id, c_data_xfer_mode);
     if (ret < 0) return ret_value;
     ret_value = 0;
     return ret_value;
} 

/*----------------------------------------------------------------------------
 * Name:        h5pget_dxpl_mpio_c
 * Purpose:     Call H5Pget_dxpl_mpio to get transfer mode of the dataset 
 *              trasfer property list 
 * Inputs:      prp_id - property list identifier
 *              data_xfer_mode  - buffer to retrieve transfer mode
 * Returns:     0 on success, -1 on failure
 * Programmer:  Elena Pourmal 
 *              Thursday, June 15, 2000 
 * Modifications:
 *---------------------------------------------------------------------------*/
int_f
nh5pget_dxpl_mpio_c(hid_t_f *prp_id, int_f* data_xfer_mode)
{
     int ret_value = -1;
     hid_t c_prp_id;
     herr_t ret;
     H5FD_mpio_xfer_t c_data_xfer_mode;
     int CASE;

     /*
      * Call H5Pget_xfer function.
      */
     c_prp_id = *prp_id;
     ret = H5Pget_dxpl_mpio(c_prp_id, &c_data_xfer_mode);
     if (ret < 0) return ret_value;
     *data_xfer_mode = (int_f)c_data_xfer_mode; 
/*
     CASE = c_data_xfer_mode;
     switch (CASE) {

        case H5FD_MPIO_INDEPENDENT:
             *data_xfer_mode = H5FD_MPIO_INDEPENDENT_F;
             break;

        case H5FD_MPIO_COLLECTIVE:
             *data_xfer_mode = H5FD_MPIO_COLLECTIVE_F;
             break;

        default:
          return ret_value;
      }
*/
     ret_value = 0;
     return ret_value;
}