RefCountedLeakCounter.cpp [plain text]
#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) {
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
}