From 4a52a71956a8d46fcb7294ac71734504bb09bcc2 Mon Sep 17 00:00:00 2001
From: S. Solomon Darnell
Date: Fri, 28 Mar 2025 21:52:21 -0500
Subject: two version of R2R are here

---
 .../site-packages/greenlet/greenlet_allocator.hpp  | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 .venv/lib/python3.12/site-packages/greenlet/greenlet_allocator.hpp

(limited to '.venv/lib/python3.12/site-packages/greenlet/greenlet_allocator.hpp')

diff --git a/.venv/lib/python3.12/site-packages/greenlet/greenlet_allocator.hpp b/.venv/lib/python3.12/site-packages/greenlet/greenlet_allocator.hpp
new file mode 100644
index 00000000..b452f544
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/greenlet/greenlet_allocator.hpp
@@ -0,0 +1,63 @@
+#ifndef GREENLET_ALLOCATOR_HPP
+#define GREENLET_ALLOCATOR_HPP
+
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+#include <memory>
+#include "greenlet_compiler_compat.hpp"
+
+
+namespace greenlet
+{
+    // This allocator is stateless; all instances are identical.
+    // It can *ONLY* be used when we're sure we're holding the GIL
+    // (Python's allocators require the GIL).
+    template <class T>
+    struct PythonAllocator : public std::allocator<T> {
+
+        PythonAllocator(const PythonAllocator& UNUSED(other))
+            : std::allocator<T>()
+        {
+        }
+
+        PythonAllocator(const std::allocator<T> other)
+            : std::allocator<T>(other)
+        {}
+
+        template <class U>
+        PythonAllocator(const std::allocator<U>& other)
+            : std::allocator<T>(other)
+        {
+        }
+
+        PythonAllocator() : std::allocator<T>() {}
+
+        T* allocate(size_t number_objects, const void* UNUSED(hint)=0)
+        {
+            void* p;
+            if (number_objects == 1)
+                p = PyObject_Malloc(sizeof(T));
+            else
+                p = PyMem_Malloc(sizeof(T) * number_objects);
+            return static_cast<T*>(p);
+        }
+
+        void deallocate(T* t, size_t n)
+        {
+            void* p = t;
+            if (n == 1) {
+                PyObject_Free(p);
+            }
+            else
+                PyMem_Free(p);
+        }
+        // This member is deprecated in C++17 and removed in C++20
+        template< class U >
+        struct rebind {
+            typedef PythonAllocator<U> other;
+        };
+
+    };
+}
+
+#endif
-- 
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