Function rpmalloc_initialize

vm/ByteCodeTranslator/src/rpmalloc.c:1302–1338

Initialize the allocator and setup global data

//! Initialize the allocator and setup global data
int
rpmalloc_initialize(void) {
#ifdef PLATFORM_WINDOWS
	SYSTEM_INFO system_info;
	memset(&system_info, 0, sizeof(system_info));
	GetSystemInfo(&system_info);
	if (system_info.dwAllocationGranularity < SPAN_ADDRESS_GRANULARITY)
		return -1;
#else
#if ARCH_64BIT
	atomic_store64(&_memory_addr, 0x1000000000ULL);
#else
	atomic_store64(&_memory_addr, 0x1000000ULL);
#endif
#endif

	atomic_store32(&_memory_heap_id, 0);

	//Setup all small and medium size classes
	size_t iclass;
	for (iclass = 0; iclass < SMALL_CLASS_COUNT; ++iclass) {
		size_t size = (iclass + 1) * SMALL_GRANULARITY;
		_memory_size_class[iclass].size = (uint16_t)size;
		_memory_adjust_size_class(iclass);
	}
	for (iclass = 0; iclass < MEDIUM_CLASS_COUNT; ++iclass) {
		size_t size = SMALL_SIZE_LIMIT + ((iclass + 1) * MEDIUM_GRANULARITY);
		if (size > MEDIUM_SIZE_LIMIT)
			size = MEDIUM_SIZE_LIMIT;
		_memory_size_class[SMALL_CLASS_COUNT + iclass].size = (uint16_t)size;
		_memory_adjust_size_class(SMALL_CLASS_COUNT + iclass);
	}
	
	//Initialize this thread
	rpmalloc_thread_initialize();
	return 0;
}

//! Finalize the allocator
void