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92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "flutter/sky/engine/wtf/RefCountedLeakCounter.h"
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#include "flutter/sky/engine/wtf/Assertions.h"
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#if ENABLE(ASSERT)
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#include "flutter/sky/engine/wtf/Atomics.h"
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#include "flutter/sky/engine/wtf/HashCountedSet.h"
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#endif
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namespace WTF {
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#if !ENABLE(ASSERT)
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void RefCountedLeakCounter::suppressMessages(const char*) {}
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void RefCountedLeakCounter::cancelMessageSuppression(const char*) {}
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RefCountedLeakCounter::RefCountedLeakCounter(const char*) {}
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RefCountedLeakCounter::~RefCountedLeakCounter() {}
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void RefCountedLeakCounter::increment() {}
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void RefCountedLeakCounter::decrement() {}
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#else
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#define LOG_CHANNEL_PREFIX Log
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static WTFLogChannel LogRefCountedLeaks = {WTFLogChannelOn};
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typedef HashCountedSet<const char*, PtrHash<const char*>> ReasonSet;
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static ReasonSet* leakMessageSuppressionReasons;
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void RefCountedLeakCounter::suppressMessages(const char* reason) {
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if (!leakMessageSuppressionReasons)
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leakMessageSuppressionReasons = new ReasonSet;
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leakMessageSuppressionReasons->add(reason);
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}
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void RefCountedLeakCounter::cancelMessageSuppression(const char* reason) {
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ASSERT(leakMessageSuppressionReasons);
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ASSERT(leakMessageSuppressionReasons->contains(reason));
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leakMessageSuppressionReasons->remove(reason);
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}
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RefCountedLeakCounter::RefCountedLeakCounter(const char* description)
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: m_description(description) {}
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RefCountedLeakCounter::~RefCountedLeakCounter() {
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static bool loggedSuppressionReason;
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if (m_count) {
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if (!leakMessageSuppressionReasons ||
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leakMessageSuppressionReasons->isEmpty())
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WTF_LOG(RefCountedLeaks, "LEAK: %u %s", m_count, m_description);
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else if (!loggedSuppressionReason) {
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// This logs only one reason. Later we could change it so we log all the
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// reasons.
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WTF_LOG(RefCountedLeaks, "No leak checking done: %s",
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leakMessageSuppressionReasons->begin()->key);
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loggedSuppressionReason = true;
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}
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}
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}
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void RefCountedLeakCounter::increment() {
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atomicIncrement(&m_count);
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}
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void RefCountedLeakCounter::decrement() {
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atomicDecrement(&m_count);
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}
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#endif
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} // namespace WTF
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