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/*
* 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
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