SWC-DB  v0.5.12 C++ documentations
SWC-DB© (Super Wide Column Database) - High Performance Scalable Database (https://github.com/kashirin-alex/swc-db)
Malloc.h
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1 /*
2  * SWC-DB© Copyright since 2019 Alex Kashirin <kashirin.alex@gmail.com>
3  * License details at <https://github.com/kashirin-alex/swc-db/#license>
4  */
5 
6 #ifndef swcdb_core_Malloc_h
7 #define swcdb_core_Malloc_h
8 
9 #include <new>
10 #include <thread>
11 #include <chrono>
12 
20 #if !defined(__clang__)
21 #define SWC_MALLOC_NEW_ATTRIBS __attribute__((__nothrow__))
22 #define SWC_MALLOC_ATTRIBS SWC_CAN_INLINE
23 #else
24 #define SWC_MALLOC_NEW_ATTRIBS
25 #define SWC_MALLOC_ATTRIBS
26 #endif
27 
28 
29 
30 namespace SWC {
31 
32 class Memory {
33  public:
34 
35  static SWC_MALLOC_FUNC
36  void* allocate(const size_t sz) noexcept;
37 
38  static SWC_MALLOC_FUNC
39  void* allocate(const size_t sz, std::align_val_t al) noexcept;
40 
41  static
42  void free(void* ptr) noexcept;
43 
44 };
45 
46 }
47 
48 
49 
50 extern SWC_MALLOC_ATTRIBS
51  void* operator new(const size_t sz)
52  SWC_MALLOC_NEW_ATTRIBS;
53 extern SWC_MALLOC_ATTRIBS
54  void* operator new[](size_t sz)
55  SWC_MALLOC_NEW_ATTRIBS;
56 extern SWC_MALLOC_ATTRIBS
57  void* operator new(size_t sz, const std::nothrow_t&)
58  SWC_MALLOC_NEW_ATTRIBS;
59 extern SWC_MALLOC_ATTRIBS
60  void* operator new[](size_t sz, const std::nothrow_t&)
61  SWC_MALLOC_NEW_ATTRIBS;
62 
63 extern SWC_MALLOC_ATTRIBS
64  void* operator new(const size_t sz, std::align_val_t al)
65  SWC_MALLOC_NEW_ATTRIBS;
66 extern SWC_MALLOC_ATTRIBS
67  void* operator new[](size_t sz, std::align_val_t al)
68  SWC_MALLOC_NEW_ATTRIBS;
69 extern SWC_MALLOC_ATTRIBS
70  void* operator new(size_t sz, std::align_val_t al, const std::nothrow_t&)
71  SWC_MALLOC_NEW_ATTRIBS;
72 extern SWC_MALLOC_ATTRIBS
73  void* operator new[](size_t sz, std::align_val_t al, const std::nothrow_t&)
74  SWC_MALLOC_NEW_ATTRIBS;
75 
76 
77 extern SWC_MALLOC_ATTRIBS
78  void operator delete(void* ptr) noexcept;
79 extern SWC_MALLOC_ATTRIBS
80  void operator delete[](void* ptr) noexcept;
81 extern SWC_MALLOC_ATTRIBS
82  void operator delete(void* ptr, size_t sz) noexcept;
83 extern SWC_MALLOC_ATTRIBS
84  void operator delete[](void* ptr, size_t sz) noexcept;
85 
86 extern SWC_MALLOC_ATTRIBS
87  void operator delete(void* ptr, std::align_val_t al) noexcept;
88 extern SWC_MALLOC_ATTRIBS
89  void operator delete[](void* ptr, std::align_val_t al) noexcept;
90 extern SWC_MALLOC_ATTRIBS
91  void operator delete(void* ptr, size_t sz, std::align_val_t al) noexcept;
92 extern SWC_MALLOC_ATTRIBS
93  void operator delete[](void* ptr, size_t sz, std::align_val_t al) noexcept;
94 
95 
96 
97 SWC_MALLOC_ATTRIBS
98 void* operator new(const size_t sz) {
99  return SWC::Memory::allocate(sz);
100 }
101 
102 SWC_MALLOC_ATTRIBS
103 void* operator new(size_t sz, const std::nothrow_t&) {
104  return SWC::Memory::allocate(sz);
105 }
106 
107 SWC_MALLOC_ATTRIBS
108 void* operator new[](size_t sz) {
109  return SWC::Memory::allocate(sz);
110 }
111 
112 SWC_MALLOC_ATTRIBS
113 void* operator new[](size_t sz, const std::nothrow_t&) {
114  return SWC::Memory::allocate(sz);
115 }
116 
117 
118 SWC_MALLOC_ATTRIBS
119 void* operator new(const size_t sz, std::align_val_t al) {
120  return SWC::Memory::allocate(sz, al);
121 }
122 
123 SWC_MALLOC_ATTRIBS
124 void* operator new(size_t sz, std::align_val_t al, const std::nothrow_t&) {
125  return SWC::Memory::allocate(sz, al);
126 }
127 
128 SWC_MALLOC_ATTRIBS
129 void* operator new[](size_t sz, std::align_val_t al) {
130  return SWC::Memory::allocate(sz, al);
131 }
132 
133 SWC_MALLOC_ATTRIBS
134 void* operator new[](size_t sz, std::align_val_t al, const std::nothrow_t&) {
135  return SWC::Memory::allocate(sz, al);
136 }
137 
138 
139 
140 SWC_MALLOC_ATTRIBS
141 void operator delete(void* ptr) noexcept {
142  SWC::Memory::free(ptr);
143 }
144 
145 SWC_MALLOC_ATTRIBS
146 void operator delete[](void* ptr) noexcept {
147  SWC::Memory::free(ptr);
148 }
149 
150 SWC_MALLOC_ATTRIBS
151 void operator delete(void* ptr, size_t ) noexcept {
152  SWC::Memory::free(ptr);
153 }
154 
155 SWC_MALLOC_ATTRIBS
156 void operator delete[](void* ptr, size_t ) noexcept {
157  SWC::Memory::free(ptr);
158 }
159 
160 
161 SWC_MALLOC_ATTRIBS
162 void operator delete(void* ptr, std::align_val_t) noexcept {
163  SWC::Memory::free(ptr);
164 }
165 
166 SWC_MALLOC_ATTRIBS
167 void operator delete[](void* ptr, std::align_val_t) noexcept {
168  SWC::Memory::free(ptr);
169 }
170 
171 SWC_MALLOC_ATTRIBS
172 void operator delete(void* ptr, size_t, std::align_val_t) noexcept {
173  SWC::Memory::free(ptr);
174 }
175 
176 SWC_MALLOC_ATTRIBS
177 void operator delete[](void* ptr, size_t, std::align_val_t) noexcept {
178  SWC::Memory::free(ptr);
179 }
180 
181 
187 namespace SWC { }
188 
189 //#ifdef SWC_IMPL_SOURCE
190 #include "swcdb/core/Malloc.cc"
191 //#endif
192 
193 #endif // swcdb_core_Malloc_h
SWC::Memory
Definition: Malloc.h:32
SWC::Memory::free
static void free(void *ptr) noexcept
Definition: Malloc.cc:53
SWC::Memory::allocate
static SWC_MALLOC_FUNC void * allocate(const size_t sz) noexcept
Definition: Malloc.cc:14
SWC
The SWC-DB C++ namespace 'SWC'.
Definition: main.cc:12
Malloc.cc
SWC_MALLOC_ATTRIBS
#define SWC_MALLOC_ATTRIBS
Definition: Malloc.h:22
SWC_MALLOC_FUNC
#define SWC_MALLOC_FUNC
Definition: Compat.h:109
SWC_MALLOC_NEW_ATTRIBS
#define SWC_MALLOC_NEW_ATTRIBS
Definition: Malloc.h:21