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#pragma once
#ifndef CACHE_LINE_SIZE
#define CACHE_LINE_SIZE 64
#endif
#define CONCAT(a, b) a##b
#define LABEL(a) CONCAT(UniqueName_, a)
#define UNIQUE_NAME LABEL(__LINE__)
#define CACHE_LINE_PADDING char UNIQUE_NAME[CACHE_LINE_SIZE];
static inline void* MallocAligned(size_t size, size_t alignment) {
void** ptr = (void**)malloc(size + alignment + sizeof(size_t*));
if (!ptr) {
return nullptr;
}
size_t mask = ~(alignment - 1);
intptr_t roundedDown = intptr_t(ptr) & mask;
void** alignedPtr = (void**)(roundedDown + alignment);
alignedPtr[-1] = ptr;
return alignedPtr;
}
static inline void FreeAligned(void* ptr) {
if (!ptr) {
return;
}
void** typedPtr = (void**)ptr;
void* originalPtr = typedPtr[-1];
free(originalPtr);
}
static inline void* MallocCacheAligned(size_t size) {
return MallocAligned(size, CACHE_LINE_SIZE);
}
static inline void FreeCacheAligned(void* ptr) {
return FreeAligned(ptr);
}
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