Function _rpmalloc_heap_finalize

source/extern/rpmalloc.c:2077–2126

}

static void
_rpmalloc_heap_finalize(heap_t* heap) {
	if (heap->spans_reserved) {
		span_t* span = _rpmalloc_span_map(heap, heap->spans_reserved);
		_rpmalloc_span_unmap(span);
		heap->spans_reserved = 0;
	}

	_rpmalloc_heap_cache_adopt_deferred(heap, 0);

	for (size_t iclass = 0; iclass < SIZE_CLASS_COUNT; ++iclass) {
		if (heap->size_class[iclass].cache)
			_rpmalloc_span_unmap(heap->size_class[iclass].cache);
		heap->size_class[iclass].cache = 0;
		span_t* span = heap->size_class[iclass].partial_span;
		while (span) {
			span_t* next = span->next;
			_rpmalloc_span_finalize(heap, iclass, span, &heap->size_class[iclass].partial_span);
			span = next;
		}
		// If class still has a free list it must be a full span
		if (heap->size_class[iclass].free_list) {
			span_t* class_span = (span_t*)((uintptr_t)heap->size_class[iclass].free_list & _memory_span_mask);
			span_t** list = 0;
#if RPMALLOC_FIRST_CLASS_HEAPS
			list = &heap->full_span[iclass];
#endif
			--heap->full_span_count;
			if (!_rpmalloc_span_finalize(heap, iclass, class_span, list)) {
				if (list)
					_rpmalloc_span_double_link_list_remove(list, class_span);
				_rpmalloc_span_double_link_list_add(&heap->size_class[iclass].partial_span, class_span);
			}
		}
	}

#if ENABLE_THREAD_CACHE
	for (size_t iclass = 0; iclass < LARGE_CLASS_COUNT; ++iclass) {
		span_cache_t* span_cache;
		if (!iclass)
			span_cache = &heap->span_cache;
		else
			span_cache = (span_cache_t*)(heap->span_large_cache + (iclass - 1));
		for (size_t ispan = 0; ispan < span_cache->count; ++ispan)
			_rpmalloc_span_unmap(span_cache->span[ispan]);
		span_cache->count = 0;
	}
#endif
	rpmalloc_assert(!atomic_load_ptr(&heap->span_free_deferred), "Heaps still active during finalization");
}


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