From 74ec52d85758ad9da7a3abb24257511b22d74964 Mon Sep 17 00:00:00 2001
From: Eric Poulsen
Date: Thu, 26 Oct 2017 21:17:35 -0700
Subject: extmod/modussl: Add finaliser support for ussl objects.

Per the comment found here
https://github.com/micropython/micropython-esp32/issues/209#issuecomment-339855157,
this patch adds finaliser code to prevent memory leaks from ussl objects,
which is especially useful when memory for a ussl context is allocated
outside the uPy heap.  This patch is in-line with the finaliser code found
in many modsocket implementations for various ports.

This feature is configured via MICROPY_PY_USSL_FINALISER and is disabled by
default because there may be issues using it when the ussl state *is*
allocated on the uPy heap, rather than externally.
---
 py/mpconfig.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'py')

diff --git a/py/mpconfig.h b/py/mpconfig.h
index 1694a1360..6a32ea2a6 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -1109,6 +1109,8 @@ typedef double mp_float_t;
 
 #ifndef MICROPY_PY_USSL
 #define MICROPY_PY_USSL (0)
+// Whether to add finaliser code to ussl objects
+#define MICROPY_PY_USSL_FINALISER (0)
 #endif
 
 #ifndef MICROPY_PY_WEBSOCKET
-- 
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