From 3fe6f3c0caecec522c7e14353eda6bbb86c9e8d6 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Fri, 3 Feb 2017 15:22:48 +0100
Subject: erts: Add deallocation veto for magic destructors

A magic destructor can return 0 and thereby take control
and prolong the lifetime of a magic binary.
---
 erts/emulator/beam/global.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts/emulator/beam/global.h')

diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 2158f54a49..91e5bbbd98 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -274,7 +274,7 @@ typedef struct binary {
 typedef struct {
     ERTS_INTERNAL_BINARY_FIELDS
     SWord orig_size;
-    void (*destructor)(Binary *);
+    int (*destructor)(Binary *);
     union {
         struct {
             ERTS_BINARY_STRUCT_ALIGNMENT
-- 
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