mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-21 18:15:58 +00:00
c02c9880b6
This is useful for static locals that never need to be destroyed:
Thing& Thing::the()
{
static Eternal<Thing> the;
return the;
}
The object will be allocated in data segment memory and will never have
its destructor invoked.
52 lines
908 B
C++
52 lines
908 B
C++
#pragma once
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#ifndef KERNEL
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#include <new>
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#endif
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#if defined(SERENITY) && defined(KERNEL)
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#define AK_MAKE_ETERNAL \
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public: \
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void* operator new(size_t size) { return kmalloc_eternal(size); } \
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void* operator new(size_t, void* ptr) { return ptr; } \
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private:
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#else
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#define AK_MAKE_ETERNAL
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#endif
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#ifdef KERNEL
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#include <Kernel/kmalloc.h>
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#else
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#include <LibC/stdlib.h>
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extern "C" {
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[[gnu::malloc, gnu::returns_nonnull]] void* kmalloc(size_t size);
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[[gnu::malloc, gnu::returns_nonnull]] void* kmalloc_eternal(size_t);
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[[gnu::returns_nonnull]] void* krealloc(void* ptr, size_t size);
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void kfree(void* ptr);
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}
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inline void* operator new(size_t size)
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{
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return kmalloc(size);
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}
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inline void operator delete(void* ptr)
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{
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return kfree(ptr);
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}
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inline void* operator new[](size_t size)
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{
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return kmalloc(size);
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}
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inline void operator delete[](void* ptr)
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{
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return kfree(ptr);
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}
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#endif
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