From 32a55cf66e12e5e56d2e05b73c6bef453477c2bb Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Fri, 25 Feb 2011 16:11:44 -0800
Subject: Fix sp<> conversion operator / constructor

some of the conversion operators were not using the proper
pointer type when calling incStrong/decStrong, usually it
has no bad consequences, but for some implementation
of the ref-counted object it could lead to recording the wrong
owner id.

Change-Id: If574b9069b8a4cf6e0911a992c8f095aba799995
---
 libs/utils/RefBase.cpp | 34 ++++++++++++++++++++++++++++++----
 1 file changed, 30 insertions(+), 4 deletions(-)

(limited to 'libs/utils/RefBase.cpp')

diff --git a/libs/utils/RefBase.cpp b/libs/utils/RefBase.cpp
index 0fd404d66c1e..bb6c1255f38a 100644
--- a/libs/utils/RefBase.cpp
+++ b/libs/utils/RefBase.cpp
@@ -99,20 +99,38 @@ public:
 #if DEBUG_REFS_FATAL_SANITY_CHECKS
             LOG_ALWAYS_FATAL("Strong references remain!");
 #else
-            LOGE("Strong references remain!");
+            LOGE("Strong references remain:");
 #endif
+            ref_entry* refs = mStrongRefs;
+            while (refs) {
+                char inc = refs->ref >= 0 ? '+' : '-';
+                LOGD("\t%c ID %p (ref %d):", inc, refs->id, refs->ref);
+#if DEBUG_REFS_CALLSTACK_ENABLED
+                refs->stack.dump();
+#endif;
+                refs = refs->next;
+            }
         }
 
         if (!mRetain && mWeakRefs != NULL) {
             dumpStack = true;
 #if DEBUG_REFS_FATAL_SANITY_CHECKS
-            LOG_ALWAYS_FATAL("Weak references remain!");
+            LOG_ALWAYS_FATAL("Weak references remain:");
 #else
             LOGE("Weak references remain!");
 #endif
+            ref_entry* refs = mWeakRefs;
+            while (refs) {
+                char inc = refs->ref >= 0 ? '+' : '-';
+                LOGD("\t%c ID %p (ref %d):", inc, refs->id, refs->ref);
+#if DEBUG_REFS_CALLSTACK_ENABLED
+                refs->stack.dump();
+#endif;
+                refs = refs->next;
+            }
         }
-
         if (dumpStack) {
+            LOGE("above errors at:");
             CallStack stack;
             stack.update();
             stack.dump();
@@ -228,7 +246,8 @@ private:
         if (mTrackEnabled) {
             AutoMutex _l(mMutex);
             
-            ref_entry* ref = *refs;
+            ref_entry* const head = *refs;
+            ref_entry* ref = head;
             while (ref != NULL) {
                 if (ref->id == id) {
                     *refs = ref->next;
@@ -249,6 +268,13 @@ private:
                     "(weakref_type %p) that doesn't exist!",
                     id, mBase, this);
 
+            ref = head;
+            while (ref) {
+                char inc = ref->ref >= 0 ? '+' : '-';
+                LOGD("\t%c ID %p (ref %d):", inc, ref->id, ref->ref);
+                ref = ref->next;
+            }
+
             CallStack stack;
             stack.update();
             stack.dump();
-- 
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