haiku/headers/private/kernel/util/kernel_cpp.h
Jérôme Duval 9e75e900da kernel: use non-deprecated signatures for new/delete operators.
add posix_memalign(), needed for c++17.
2018-05-28 20:49:15 +02:00

58 lines
1.4 KiB
C++

#ifndef KERNEL_CPP_H
#define KERNEL_CPP_H
/* cpp - C++ in the kernel
**
** Initial version by Axel Dörfler, axeld@pinc-software.de
** This file may be used under the terms of the MIT License.
*/
#ifdef __cplusplus
#include <new>
#include <stdlib.h>
#if _KERNEL_MODE || _LOADER_MODE
using namespace std;
extern const nothrow_t std::nothrow;
// We need new() versions we can use when also linking against libgcc.
// std::nothrow can't be used since it's defined in both libgcc and
// kernel_cpp.cpp.
typedef struct {} mynothrow_t;
extern const mynothrow_t mynothrow;
#ifndef __clang__
#if __cplusplus >= 201402L
#define _THROW(x)
#define _NOEXCEPT noexcept
#else
#define _THROW(x) throw (x)
#define _NOEXCEPT throw ()
#endif
extern void* operator new(size_t size) _THROW(std::bad_alloc);
extern void* operator new[](size_t size) _THROW(std::bad_alloc);
extern void* operator new(size_t size, const std::nothrow_t &) _NOEXCEPT;
extern void* operator new[](size_t size, const std::nothrow_t &) _NOEXCEPT;
extern void* operator new(size_t size, const mynothrow_t &) _NOEXCEPT;
extern void* operator new[](size_t size, const mynothrow_t &) _NOEXCEPT;
extern void operator delete(void *ptr) _NOEXCEPT;
extern void operator delete[](void *ptr) _NOEXCEPT;
#endif
#if __cplusplus >= 201402L
inline void
operator delete(void *ptr, size_t size) throw ()
{
free(ptr);
}
#endif // __cplusplus >= 201402L
#endif // #if _KERNEL_MODE
#endif // __cplusplus
#endif /* KERNEL_CPP_H */