flutter_flutter/sky/engine/wtf/RefCountedLeakCounter.cpp
Michael Goderbauer 08961f8ec5 Format all c-like sources with clang-format (#4088)
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* license script adaptions

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2017-09-12 15:36:20 -07:00

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2.9 KiB
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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 "flutter/sky/engine/wtf/RefCountedLeakCounter.h"
#include "flutter/sky/engine/wtf/Assertions.h"
#if ENABLE(ASSERT)
#include "flutter/sky/engine/wtf/Atomics.h"
#include "flutter/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