default_allocator.hpp

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// SPDX-License-Identifier: GPL-3.0-or-later
 
#pragma once
 
#include <mos/mos_global.h>
#include <mos/string_view.hpp>
#include <mos/type_utils.hpp>
 
MOSAPI void *do_kmalloc(size_t size);
MOSAPI void *do_kcalloc(size_t nmemb, size_t size);
MOSAPI void *do_krealloc(void *ptr, size_t size);
MOSAPI void do_kfree(const void *ptr);
 
namespace mos
{
    template<typename TItem, bool HasTypeName = HasTypeName<TItem>>
    struct default_allocator
    {
    };
 
    template<typename TItem>
    struct default_allocator<TItem, false>
    {
        static TItem *allocate(size_t size)
        {
            return static_cast<TItem *>(do_kmalloc(size));
        }
 
        static void free(TItem *ptr, size_t = 0)
        {
            do_kfree(ptr);
        }
    };
 
    template<typename TItem>
    struct default_allocator<TItem, true>
    {
        static TItem *allocate(size_t size)
        {
            return create<TItem>(size);
        }
 
        static void free(TItem *ptr, size_t = 0)
        {
            do_kfree(ptr);
        }
    };
 
} // namespace mos