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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /JavaScriptCore/wtf/RefCountedLeakCounter.cpp | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'JavaScriptCore/wtf/RefCountedLeakCounter.cpp')
-rw-r--r-- | JavaScriptCore/wtf/RefCountedLeakCounter.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/RefCountedLeakCounter.cpp b/JavaScriptCore/wtf/RefCountedLeakCounter.cpp new file mode 100644 index 0000000..80922d3 --- /dev/null +++ b/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 |