summaryrefslogtreecommitdiffstats
path: root/c++/src/H5Library.cpp
blob: 19c7ee78a736bf6e4064fa70133ba047959c457b (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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * 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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <cstdlib>
#include <string>

#include "H5CppDoc.h" // included only for Doxygen to generate part of RM
#include "H5Include.h"
#include "H5Exception.h"
#include "H5IdComponent.h"
#include "H5PropList.h"
#include "H5FaccProp.h"
#include "H5FcreatProp.h"
#include "H5OcreatProp.h"
#include "H5DxferProp.h"
#include "H5DcreatProp.h"
#include "H5LcreatProp.h"
#include "H5LaccProp.h"
#include "H5DaccProp.h"
#include "H5Location.h"
#include "H5Object.h"
#include "H5DataType.h"
#include "H5AtomType.h"
#include "H5PredType.h"
#include "H5DataSpace.h"
#include "H5Library.h"

namespace H5 {

//--------------------------------------------------------------------------
// Function:    H5Library::open (static)
///\brief       Initializes the HDF5 library.
///
///\exception   H5::LibraryIException
// Programmer   Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void
H5Library::open()
{
    herr_t ret_value = H5open();
    if (ret_value < 0) {
        throw LibraryIException("H5Library::open", "H5open failed");
    }
}

//--------------------------------------------------------------------------
// Function:    H5Library::close (static)
///\brief       Flushes all data to disk, closes files, and cleans up memory.
///
///\exception   H5::LibraryIException
// Programmer   Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void
H5Library::close()
{
    herr_t ret_value = H5close();
    if (ret_value < 0) {
        throw LibraryIException("H5Library::close", "H5close failed");
    }
}

//--------------------------------------------------------------------------
// Function:    H5Library::dontAtExit (static)
///\brief       Instructs library not to install the C \c atexit cleanup routine
///
///\exception   H5::LibraryIException
// Programmer   Binh-Minh Ribler - 2000
// Modification
//              Removed the check for failure returned from H5dont_atexit.
//              will be fixed to not fail (HDFFV-9540)
//--------------------------------------------------------------------------
void
H5Library::dontAtExit()
{
    (void)H5dont_atexit();
}

//--------------------------------------------------------------------------
// Function:    H5Library::getLibVersion (static)
///\brief       Returns the HDF library release number.
///\param       majnum - OUT: Major version of the library
///\param       minnum - OUT: Minor version of the library
///\param       relnum - OUT: Release number of the library
///\exception   H5::LibraryIException
// Programmer   Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void
H5Library::getLibVersion(unsigned &majnum, unsigned &minnum, unsigned &relnum)
{
    herr_t ret_value = H5get_libversion(&majnum, &minnum, &relnum);
    if (ret_value < 0) {
        throw LibraryIException("H5Library::getLibVersion", "H5get_libversion failed");
    }
}

//--------------------------------------------------------------------------
// Function:    H5Library::checkVersion (static)
///\brief       Verifies that the arguments match the version numbers
///             compiled into the library
///\param       majnum - IN: Major version of the library
///\param       minnum - IN: Minor version of the library
///\param       relnum - IN: Release number of the library
///\exception   H5::LibraryIException
///\par Description
///             For information about library version, please refer to
///             the H5check_version API in the HDF5 C Reference Manual.
// Programmer   Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
void
H5Library::checkVersion(unsigned majnum, unsigned minnum, unsigned relnum)
{
    herr_t ret_value = H5check_version(majnum, minnum, relnum);
    if (ret_value < 0) {
        throw LibraryIException("H5Library::checkVersion", "H5check_version failed");
    }
}

//--------------------------------------------------------------------------
// Function:    H5Library::garbageCollect (static)
///\brief       Walks through all the garbage collection routines for the
///             library, which are supposed to free any unused memory they
///             have allocated.
///
///\exception   H5::LibraryIException
///\par Description
///             It is not required that H5Library::garbageCollect be called
///             at any particular time; it is only necessary in certain
///             situations, such as when the application has performed actions
///             that cause the library to allocate many objects. The
///             application should call H5Library::garbageCollect if it
///             eventually releases those objects and wants to reduce the
///             memory used by the library from the peak usage required.
///\par
///             The library automatically garbage collects all the free
///             lists when the application ends.
// Programmer   Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void
H5Library::garbageCollect()
{
    herr_t ret_value = H5garbage_collect();
    if (ret_value < 0) {
        throw LibraryIException("H5Library::garbageCollect", "H5garbage_collect failed");
    }
}

//--------------------------------------------------------------------------
// Function:    H5Library::initH5cpp (static)
///\brief       Initializes C++ library and registers terminating functions at
///             exit.  Only for the library functions, not for user-defined
///             functions.
// Description
//              initH5cpp registers the following functions with std::atexit():
//                      termH5cpp() - calls H5close() after all cleanup in
//                                    the C++ library is done
//                      <classname>::deleteConstants - deletes all references
//                                    for <classname> global constants
///\exception   H5::LibraryIException
//
// Programmer   Binh-Minh Ribler - September, 2015
//--------------------------------------------------------------------------
void
H5Library::initH5cpp()
{
    // Register terminating functions with atexit(); they will be invoked in
    // the reversed order
    int ret_value = 0;
    ret_value     = std::atexit(termH5cpp);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp", "Registering termH5cpp failed");

    ret_value = std::atexit(PredType::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp", "Registering PredType::deleteConstants failed");

    ret_value = std::atexit(PropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp", "Registering PropList::deleteConstants failed");

    ret_value = std::atexit(DSetAccPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering DSetAccPropList::deleteConstants failed");

    ret_value = std::atexit(LinkAccPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering LinkAccPropList::deleteConstants failed");

    ret_value = std::atexit(LinkCreatPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering LinkCreatPropList::deleteConstants failed");

    ret_value = std::atexit(FileAccPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering FileAccPropList::deleteConstants failed");

    ret_value = std::atexit(FileCreatPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering FileCreatPropList::deleteConstants failed");

    ret_value = std::atexit(DSetMemXferPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering DSetMemXferPropList::deleteConstants failed");

    ret_value = std::atexit(DSetCreatPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering DSetCreatPropList::deleteConstants failed");

    ret_value = std::atexit(ObjCreatPropList::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp",
                                "Registering ObjCreatPropList::deleteConstants failed");

    ret_value = std::atexit(DataSpace::deleteConstants);
    if (ret_value != 0)
        throw LibraryIException("H5Library::initH5cpp", "Registering DataSpace::deleteConstants failed");
}

//--------------------------------------------------------------------------
// Function:    H5Library::termH5cpp (static)
///\brief       Sends request for the C layer to terminate.
///\par Description
///             If the C library fails to terminate, exit with a failure.
// Programmer   Binh-Minh Ribler - September, 2015
//--------------------------------------------------------------------------
void
H5Library::termH5cpp()
{
    // Close the C library
    herr_t ret_value = H5close();
    if (ret_value == -1)
        exit(-1);
}

//--------------------------------------------------------------------------
// Function:    H5Library::setFreeListLimits (static)
///\brief       Sets limits on the different kinds of free lists.
///\param       reg_global_lim - IN: Limit on all "regular" free list memory used
///\param       reg_list_lim   - IN: Limit on memory used in each "regular" free list
///\param       arr_global_lim - IN: Limit on all "array" free list memory used
///\param       arr_list_lim   - IN: Limit on memory used in each "array" free list
///\param       blk_global_lim - IN: Limit on all "block" free list memory used
///\param       blk_list_lim   - IN: Limit on memory used in each "block" free list
///\exception   H5::LibraryIException
///\par Description
///             Setting a value of -1 for a limit means no limit of that type.
///             For more information on free list limits, please refer to
///             the H5set_free_list_limits API in the HDF5 C Reference Manual.
// Programmer   Binh-Minh Ribler - May, 2004
//--------------------------------------------------------------------------
void
H5Library::setFreeListLimits(int reg_global_lim, int reg_list_lim, int arr_global_lim, int arr_list_lim,
                             int blk_global_lim, int blk_list_lim)
{
    herr_t ret_value = H5set_free_list_limits(reg_global_lim, reg_list_lim, arr_global_lim, arr_list_lim,
                                              blk_global_lim, blk_list_lim);
    if (ret_value < 0) {
        throw LibraryIException("H5Library::setFreeListLimits", "H5set_free_list_limits failed");
    }
}

#ifndef DOXYGEN_SHOULD_SKIP_THIS
//--------------------------------------------------------------------------
// Function:    H5Library default constructor - private
///\brief       Default constructor: Creates a stub H5Library object
// Programmer   Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5Library::H5Library()
{
}

//--------------------------------------------------------------------------
// Function:    H5Library destructor
///\brief       Noop destructor
// Programmer   Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
H5Library::~H5Library()
{
}
#endif // DOXYGEN_SHOULD_SKIP_THIS

} // namespace H5