summaryrefslogtreecommitdiffstats
path: root/Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp
diff options
context:
space:
mode:
authorSteve Block <steveblock@google.com>2011-05-13 06:44:40 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-05-13 06:44:40 -0700
commit08014c20784f3db5df3a89b73cce46037b77eb59 (patch)
tree47749210d31e19e6e2f64036fa8fae2ad693476f /Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp
parent860220379e56aeb66424861ad602b07ee22b4055 (diff)
parent4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff)
downloadexternal_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.zip
external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.gz
external_webkit-08014c20784f3db5df3a89b73cce46037b77eb59.tar.bz2
Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes: Merge WebKit at r75315: Update WebKit version Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs Merge WebKit at r75315: Stub out AXObjectCache::remove() Merge WebKit at r75315: Fix ImageBuffer Merge WebKit at r75315: Fix PluginData::initPlugins() Merge WebKit at r75315: Fix conflicts Merge WebKit at r75315: Fix Makefiles Merge WebKit at r75315: Move Android-specific WebCore files to Source Merge WebKit at r75315: Initial merge by git.
Diffstat (limited to 'Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp')
-rw-r--r--Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp100
1 files changed, 100 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp b/Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp
new file mode 100644
index 0000000..80922d3
--- /dev/null
+++ b/Source/JavaScriptCore/wtf/RefCountedLeakCounter.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "RefCountedLeakCounter.h"
+
+#include <wtf/HashCountedSet.h>
+
+namespace WTF {
+
+#ifdef NDEBUG
+
+void RefCountedLeakCounter::suppressMessages(const char*) { }
+void RefCountedLeakCounter::cancelMessageSuppression(const char*) { }
+
+RefCountedLeakCounter::RefCountedLeakCounter(const char*) { }
+RefCountedLeakCounter::~RefCountedLeakCounter() { }
+
+void RefCountedLeakCounter::increment() { }
+void RefCountedLeakCounter::decrement() { }
+
+#else
+
+#define LOG_CHANNEL_PREFIX Log
+static WTFLogChannel LogRefCountedLeaks = { 0x00000000, "", WTFLogChannelOn };
+
+typedef HashCountedSet<const char*, PtrHash<const char*> > ReasonSet;
+static ReasonSet* leakMessageSuppressionReasons;
+
+void RefCountedLeakCounter::suppressMessages(const char* reason)
+{
+ if (!leakMessageSuppressionReasons)
+ leakMessageSuppressionReasons = new ReasonSet;
+ leakMessageSuppressionReasons->add(reason);
+}
+
+void RefCountedLeakCounter::cancelMessageSuppression(const char* reason)
+{
+ ASSERT(leakMessageSuppressionReasons);
+ ASSERT(leakMessageSuppressionReasons->contains(reason));
+ leakMessageSuppressionReasons->remove(reason);
+}
+
+RefCountedLeakCounter::RefCountedLeakCounter(const char* description)
+ : m_description(description)
+{
+}
+
+RefCountedLeakCounter::~RefCountedLeakCounter()
+{
+ static bool loggedSuppressionReason;
+ if (m_count) {
+ if (!leakMessageSuppressionReasons || leakMessageSuppressionReasons->isEmpty())
+ LOG(RefCountedLeaks, "LEAK: %u %s", m_count, m_description);
+ else if (!loggedSuppressionReason) {
+ // This logs only one reason. Later we could change it so we log all the reasons.
+ LOG(RefCountedLeaks, "No leak checking done: %s", leakMessageSuppressionReasons->begin()->first);
+ loggedSuppressionReason = true;
+ }
+ }
+}
+
+void RefCountedLeakCounter::increment()
+{
+#if ENABLE(JSC_MULTIPLE_THREADS)
+ atomicIncrement(&m_count);
+#else
+ ++m_count;
+#endif
+}
+
+void RefCountedLeakCounter::decrement()
+{
+#if ENABLE(JSC_MULTIPLE_THREADS)
+ atomicDecrement(&m_count);
+#else
+ --m_count;
+#endif
+}
+
+#endif
+
+} // namespace WTF