#endif
-/// Wrappers for systems where the c++17 implementation doesn't guarantee the availability of aligned_alloc.
-/// Memory allocated with std_aligned_alloc must be freed with std_aligned_free.
-///
+
+/// std_aligned_alloc() is our wrapper for systems where the c++17 implementation
+/// does not guarantee the availability of aligned_alloc(). Memory allocated with
+/// std_aligned_alloc() must be freed with std_aligned_free().
void* std_aligned_alloc(size_t alignment, size_t size) {
+
#if defined(POSIXALIGNEDALLOC)
- void *pointer;
- if(posix_memalign(&pointer, alignment, size) == 0)
- return pointer;
- return nullptr;
+ void *mem;
+ return posix_memalign(&mem, alignment, size) ? nullptr : mem;
#elif defined(_WIN32)
return _mm_malloc(size, alignment);
#else
}
void std_aligned_free(void* ptr) {
+
#if defined(POSIXALIGNEDALLOC)
free(ptr);
#elif defined(_WIN32)
#endif
}
-/// aligned_ttmem_alloc() will return suitably aligned memory, and if possible use large pages.
+/// aligned_ttmem_alloc() will return suitably aligned memory, if possible using large pages.
/// The returned pointer is the aligned one, while the mem argument is the one that needs
/// to be passed to free. With c++17 some of this functionality could be simplified.