79 lines
1.4 KiB
C++
79 lines
1.4 KiB
C++
#ifndef KERNEL_CPP_H
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#define KERNEL_CPP_H
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/* cpp - C++ in the kernel
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**
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** Initial version by Axel Dörfler, axeld@pinc-software.de
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** This file may be used under the terms of the OpenBeOS License.
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*/
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#ifdef __cplusplus
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#include <new>
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#include <stdlib.h>
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#if _KERNEL_MODE
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using namespace std;
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extern const nothrow_t std::nothrow;
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// Oh no! C++ in the kernel! Are you nuts?
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//
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// - no exceptions
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// - (almost) no virtuals (well, the Query code now uses them)
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// - it's basically only the C++ syntax, and type checking
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// - since one tend to encapsulate everything in classes, it has a slightly
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// higher memory overhead
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// - nicer code
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// - easier to maintain
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inline void *
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operator new(size_t size) throw (std::bad_alloc)
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{
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// we don't actually throw any exceptions, but we have to
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// keep the prototype as specified in <new>, or else GCC 3
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// won't like us
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return malloc(size);
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}
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inline void *
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operator new[](size_t size) throw (std::bad_alloc)
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{
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return malloc(size);
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}
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inline void *
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operator new(size_t size, const std::nothrow_t &) throw ()
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{
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return malloc(size);
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}
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inline void *
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operator new[](size_t size, const std::nothrow_t &) throw ()
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{
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return malloc(size);
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}
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inline void
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operator delete(void *ptr) throw ()
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{
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free(ptr);
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}
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inline void
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operator delete[](void *ptr) throw ()
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{
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free(ptr);
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}
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#endif // #if _KERNEL_MODE
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#endif // __cplusplus
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#endif /* KERNEL_CPP_H */
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