/* | |
* 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 |