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20 lines
829 B
20 lines
829 B
4 months ago
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.. _module-pw_malloc_freelist:
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------------------
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pw_malloc_freelist
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------------------
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``pw_malloc_freelist`` implements the ``pw_malloc`` facade using a freelist
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heap.
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``pw_malloc_freelist`` initializes a global ``FreeListHeapBuffer`` object to
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organize heap usage. Implementation details are in the ``pw_allocator`` module.
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``pw_malloc_freelist`` provides wrapper functions for ``malloc``, ``free``,
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``realloc`` and ``calloc`` that uses the freelist implementation of heap in
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``pw_allocator``. In the GN build file, ``pw_malloc_freelist`` provides linker
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options needed in ``public_configs``, which will be forwarded to the facade. In
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the case of freelist, we specify the wrapper functions ``malloc, free, realloc,
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calloc, _malloc_r, _free_r, _realloc_r, _calloc_r`` to replace the original libc
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functions at linker time.
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