xref: /haiku/headers/private/kernel/util/kernel_cpp.h (revision 7457ccb4b2f4786525d3b7bda42598487d57ab7d)
1 #ifndef KERNEL_CPP_H
2 #define KERNEL_CPP_H
3 /* cpp - C++ in the kernel
4 **
5 ** Initial version by Axel Dörfler, axeld@pinc-software.de
6 ** This file may be used under the terms of the MIT License.
7 */
8 
9 #ifdef __cplusplus
10 
11 #include <new>
12 #include <stdlib.h>
13 
14 #if _KERNEL_MODE || _LOADER_MODE
15 
16 using namespace std;
17 extern const nothrow_t std::nothrow;
18 
19 // We need new() versions we can use when also linking against libgcc.
20 // std::nothrow can't be used since it's defined in both libgcc and
21 // kernel_cpp.cpp.
22 typedef struct {} mynothrow_t;
23 extern const mynothrow_t mynothrow;
24 
25 #if __cplusplus >= 201402L
26 #define _THROW(x)
27 #define _NOEXCEPT noexcept
28 #else
29 #define _THROW(x) throw (x)
30 #define _NOEXCEPT throw ()
31 #endif
32 extern void* operator new(size_t size) _THROW(std::bad_alloc);
33 extern void* operator new[](size_t size) _THROW(std::bad_alloc);
34 extern void* operator new(size_t size, const std::nothrow_t &) _NOEXCEPT;
35 extern void* operator new[](size_t size, const std::nothrow_t &) _NOEXCEPT;
36 extern void* operator new(size_t size, const mynothrow_t &) _NOEXCEPT;
37 extern void* operator new[](size_t size, const mynothrow_t &) _NOEXCEPT;
38 extern void operator delete(void *ptr) _NOEXCEPT;
39 extern void operator delete[](void *ptr) _NOEXCEPT;
40 
41 #if __cplusplus >= 201402L
42 extern void operator delete(void* ptr, std::size_t) _NOEXCEPT;
43 extern void operator delete[](void* ptr, std::size_t) _NOEXCEPT;
44 #endif // __cplusplus >= 201402L
45 
46 #endif	// #if _KERNEL_MODE
47 
48 #endif	// __cplusplus
49 
50 #endif	/* KERNEL_CPP_H */
51