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Fix tcmalloc compatibility issue with aligned_alloc #683

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Fix tcmalloc compatibility issue with aligned_alloc #683

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13 changes: 11 additions & 2 deletions include/utils.h
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
// Copyright (c) Microsoft Corporation. All rights reserved.
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license.

#pragma once

#include <errno.h>
#include <stdlib.h> // for posix_memalign

#include "common_includes.h"

Expand Down Expand Up @@ -259,7 +260,15 @@ inline void alloc_aligned(void **ptr, size_t size, size_t align)
if (IS_ALIGNED(size, align) == 0)
report_misalignment_of_requested_size(align);
#ifndef _WINDOWS
*ptr = ::aligned_alloc(align, size);
// Use posix_memalign instead of aligned_alloc for tcmalloc compatibility.
// posix_memalign is more compatible with tcmalloc and avoids "invalid pointer" errors
// when freeing memory allocated with aligned_alloc and freed with tcmalloc's free().
int ret = posix_memalign(ptr, align, size);
if (ret != 0)
{
*ptr = nullptr;
report_memory_allocation_failure();
}
#else
*ptr = ::_aligned_malloc(size, align); // note the swapped arguments!
#endif
Expand Down