| /* |
| * 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 "sky/engine/wtf/Assertions.h" |
| #include "sky/engine/wtf/RefCountedLeakCounter.h" |
| |
| #if ENABLE(ASSERT) |
| #include "sky/engine/wtf/Atomics.h" |
| #include "sky/engine/wtf/HashCountedSet.h" |
| #endif |
| |
| namespace WTF { |
| |
| #if !ENABLE(ASSERT) |
| |
| 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 = { 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()) |
| WTF_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. |
| WTF_LOG(RefCountedLeaks, "No leak checking done: %s", leakMessageSuppressionReasons->begin()->key); |
| loggedSuppressionReason = true; |
| } |
| } |
| } |
| |
| void RefCountedLeakCounter::increment() |
| { |
| atomicIncrement(&m_count); |
| } |
| |
| void RefCountedLeakCounter::decrement() |
| { |
| atomicDecrement(&m_count); |
| } |
| |
| #endif |
| |
| } // namespace WTF |