From e868513287c50caec4bcc83be3c49e12dfbeac72 Mon Sep 17 00:00:00 2001
From: Dianne Hackborn <hackbod@google.com>
Date: Tue, 11 Aug 2009 18:56:41 -0700
Subject: Fix issue #2048263: More debugging information

We now hopefully do better about generating the anr reports, and include
information about the malloc loaded assets in meminfo.
---
 libs/utils/Asset.cpp | 58 +++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 53 insertions(+), 5 deletions(-)

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

diff --git a/libs/utils/Asset.cpp b/libs/utils/Asset.cpp
index 23cb72d4ef..42951237d6 100644
--- a/libs/utils/Asset.cpp
+++ b/libs/utils/Asset.cpp
@@ -27,6 +27,7 @@
 #include <utils/ZipUtils.h>
 #include <utils/ZipFileRO.h>
 #include <utils/Log.h>
+#include <utils/threads.h>
 
 #include <string.h>
 #include <memory.h>
@@ -40,24 +41,71 @@ using namespace android;
 # define O_BINARY 0
 #endif
 
-static volatile int32_t gCount = 0;
+static Mutex gAssetLock;
+static int32_t gCount = 0;
+static Asset* gHead = NULL;
+static Asset* gTail = NULL;
 
 int32_t Asset::getGlobalCount()
 {
+    AutoMutex _l(gAssetLock);
     return gCount;
 }
 
+String8 Asset::getAssetAllocations()
+{
+    AutoMutex _l(gAssetLock);
+    String8 res;
+    Asset* cur = gHead;
+    while (cur != NULL) {
+        if (cur->isAllocated()) {
+            res.append("    ");
+            res.append(cur->getAssetSource());
+            off_t size = (cur->getLength()+512)/1024;
+            char buf[64];
+            sprintf(buf, ": %dK\n", (int)size);
+            res.append(buf);
+        }
+        cur = cur->mNext;
+    }
+    
+    return res;
+}
+
 Asset::Asset(void)
     : mAccessMode(ACCESS_UNKNOWN)
 {
-    int count = android_atomic_inc(&gCount)+1;
-    //LOGI("Creating Asset %p #%d\n", this, count);
+    AutoMutex _l(gAssetLock);
+    gCount++;
+    mNext = mPrev = NULL;
+    if (gTail == NULL) {
+        gHead = gTail = this;
+  	} else {
+  	    mPrev = gTail;
+  	    gTail->mNext = this;
+  	    gTail = this;
+  	}
+    //LOGI("Creating Asset %p #%d\n", this, gCount);
 }
 
 Asset::~Asset(void)
 {
-    int count = android_atomic_dec(&gCount);
-    //LOGI("Destroying Asset in %p #%d\n", this, count);
+    AutoMutex _l(gAssetLock);
+	gCount--;
+    if (gHead == this) {
+        gHead = mNext;
+    }
+    if (gTail == this) {
+        gTail = mPrev;
+    }
+    if (mNext != NULL) {
+        mNext->mPrev = mPrev;
+    }
+    if (mPrev != NULL) {
+        mPrev->mNext = mNext;
+    }
+    mNext = mPrev = NULL;
+    //LOGI("Destroying Asset in %p #%d\n", this, gCount);
 }
 
 /*
-- 
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