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1 | // -------------------------------------------------------------------------- |
2 | // | |
3 | // Copyright | |
4 | // Markus Wittmann, 2016-2017 | |
5 | // RRZE, University of Erlangen-Nuremberg, Germany | |
6 | // markus.wittmann -at- fau.de or hpc -at- rrze.fau.de | |
7 | // | |
8 | // Viktor Haag, 2016 | |
9 | // LSS, University of Erlangen-Nuremberg, Germany | |
10 | // | |
11 | // This file is part of the Lattice Boltzmann Benchmark Kernels (LbmBenchKernels). | |
12 | // | |
13 | // LbmBenchKernels is free software: you can redistribute it and/or modify | |
14 | // it under the terms of the GNU General Public License as published by | |
15 | // the Free Software Foundation, either version 3 of the License, or | |
16 | // (at your option) any later version. | |
17 | // | |
18 | // LbmBenchKernels is distributed in the hope that it will be useful, | |
19 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | // GNU General Public License for more details. | |
22 | // | |
23 | // You should have received a copy of the GNU General Public License | |
24 | // along with LbmBenchKernels. If not, see <http://www.gnu.org/licenses/>. | |
25 | // | |
26 | // -------------------------------------------------------------------------- | |
27 | #include <stdio.h> | |
28 | #include <stdlib.h> | |
29 | #include <string.h> // strerror | |
30 | #include <errno.h> | |
31 | ||
32 | #include "Base.h" | |
33 | #include "Memory.h" | |
34 | ||
35 | ||
36 | int MemAlloc(void ** ptr, size_t bytesToAlloc) | |
37 | { | |
38 | void * tmpPtr; | |
39 | ||
40 | tmpPtr = malloc(bytesToAlloc); | |
41 | ||
42 | if (tmpPtr == NULL) { // && bytesToAlloc != 0) { | |
43 | Error("allocation of %lu bytes failed: %d - %s\n", bytesToAlloc, errno, strerror(errno)); | |
44 | exit(1); | |
45 | } | |
46 | ||
47 | *ptr = tmpPtr; | |
48 | ||
49 | return 0; | |
50 | } | |
51 | ||
52 | int MemAllocAligned(void ** ptr, size_t bytesToAlloc, size_t alignmentBytes) | |
53 | { | |
54 | int ret; | |
55 | ||
56 | ret = posix_memalign(ptr, alignmentBytes, bytesToAlloc); | |
57 | ||
58 | if (ret) { | |
59 | Error("allocation of %lu bytes aligned to %lu bytes failed: %d - %s\n", bytesToAlloc, alignmentBytes, errno, strerror(errno)); | |
60 | exit(1); | |
61 | } | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | ||
67 | int MemFree(void ** ptr) | |
68 | { | |
69 | Assert(*ptr != NULL); | |
70 | ||
71 | free(*ptr); | |
72 | ||
73 | *ptr = NULL; | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
78 | int MemZero(void * ptr, size_t bytesToZero) | |
79 | { | |
80 | Assert(ptr != NULL); | |
81 | Assert(bytesToZero > 0); | |
82 | ||
83 | memset(ptr, 0, bytesToZero); | |
84 | ||
85 | return 0; | |
86 | } |