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-rw-r--r--source/luametatex/source/libraries/mimalloc/include/mimalloc-new-delete.h57
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diff --git a/source/luametatex/source/libraries/mimalloc/include/mimalloc-new-delete.h b/source/luametatex/source/libraries/mimalloc/include/mimalloc-new-delete.h
new file mode 100644
index 000000000..2749a0be9
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+++ b/source/luametatex/source/libraries/mimalloc/include/mimalloc-new-delete.h
@@ -0,0 +1,57 @@
+/* ----------------------------------------------------------------------------
+Copyright (c) 2018-2020 Microsoft Research, Daan Leijen
+This is free software; you can redistribute it and/or modify it under the
+terms of the MIT license. A copy of the license can be found in the file
+"LICENSE" at the root of this distribution.
+-----------------------------------------------------------------------------*/
+#pragma once
+#ifndef MIMALLOC_NEW_DELETE_H
+#define MIMALLOC_NEW_DELETE_H
+
+// ----------------------------------------------------------------------------
+// This header provides convenient overrides for the new and
+// delete operations in C++.
+//
+// This header should be included in only one source file!
+//
+// On Windows, or when linking dynamically with mimalloc, these
+// can be more performant than the standard new-delete operations.
+// See <https://en.cppreference.com/w/cpp/memory/new/operator_new>
+// ---------------------------------------------------------------------------
+#if defined(__cplusplus)
+ #include <new>
+ #include <mimalloc.h>
+
+ void operator delete(void* p) noexcept { mi_free(p); };
+ void operator delete[](void* p) noexcept { mi_free(p); };
+
+ void operator delete (void* p, const std::nothrow_t&) noexcept { mi_free(p); }
+ void operator delete[](void* p, const std::nothrow_t&) noexcept { mi_free(p); }
+
+ void* operator new(std::size_t n) noexcept(false) { return mi_new(n); }
+ void* operator new[](std::size_t n) noexcept(false) { return mi_new(n); }
+
+ void* operator new (std::size_t n, const std::nothrow_t& tag) noexcept { (void)(tag); return mi_new_nothrow(n); }
+ void* operator new[](std::size_t n, const std::nothrow_t& tag) noexcept { (void)(tag); return mi_new_nothrow(n); }
+
+ #if (__cplusplus >= 201402L || _MSC_VER >= 1916)
+ void operator delete (void* p, std::size_t n) noexcept { mi_free_size(p,n); };
+ void operator delete[](void* p, std::size_t n) noexcept { mi_free_size(p,n); };
+ #endif
+
+ #if (__cplusplus > 201402L || defined(__cpp_aligned_new))
+ void operator delete (void* p, std::align_val_t al) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
+ void operator delete[](void* p, std::align_val_t al) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
+ void operator delete (void* p, std::size_t n, std::align_val_t al) noexcept { mi_free_size_aligned(p, n, static_cast<size_t>(al)); };
+ void operator delete[](void* p, std::size_t n, std::align_val_t al) noexcept { mi_free_size_aligned(p, n, static_cast<size_t>(al)); };
+ void operator delete (void* p, std::align_val_t al, const std::nothrow_t& tag) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
+ void operator delete[](void* p, std::align_val_t al, const std::nothrow_t& tag) noexcept { mi_free_aligned(p, static_cast<size_t>(al)); }
+
+ void* operator new (std::size_t n, std::align_val_t al) noexcept(false) { return mi_new_aligned(n, static_cast<size_t>(al)); }
+ void* operator new[](std::size_t n, std::align_val_t al) noexcept(false) { return mi_new_aligned(n, static_cast<size_t>(al)); }
+ void* operator new (std::size_t n, std::align_val_t al, const std::nothrow_t&) noexcept { return mi_new_aligned_nothrow(n, static_cast<size_t>(al)); }
+ void* operator new[](std::size_t n, std::align_val_t al, const std::nothrow_t&) noexcept { return mi_new_aligned_nothrow(n, static_cast<size_t>(al)); }
+ #endif
+#endif
+
+#endif // MIMALLOC_NEW_DELETE_H