From 01dffaa32fb68981e7d8ff1a0beb96de7b892546 Mon Sep 17 00:00:00 2001
From: Nathan Binkert <nate@binkert.org>
Date: Fri, 2 Apr 2010 11:20:32 -0700
Subject: refcnt: no default copy contructor or copy operator We shouldn't
 allow these because the default versions will copy the reference count which
 is definitely not what we want.

---
 src/base/refcnt.hh | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/base')

diff --git a/src/base/refcnt.hh b/src/base/refcnt.hh
index d1663ad72..64224ca7f 100644
--- a/src/base/refcnt.hh
+++ b/src/base/refcnt.hh
@@ -37,7 +37,11 @@ class RefCounted
     int count;
 
   private:
+    // Don't allow a default copy constructor or copy operator on
+    // these objects because the default operation will copy the
+    // reference count as well and we certainly don't want that.
     RefCounted(const RefCounted &);
+    RefCounted &operator=(const RefCounted &);
 
   public:
     RefCounted() : count(0) {}
-- 
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