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/*
* Copyright (C) 2024 Igalia S.L.
*
* 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 "RefTrackerMixin.h"
WTF_ALLOW_UNSAFE_BUFFER_USAGE_BEGIN
namespace WTF {
#if ENABLE(REFTRACKER)
void RefTracker::reportLive(void* id)
{
RELEASE_ASSERT(id);
Locker locker(lock);
std::unique_ptr<StackShot> stack = nullptr;
if (!loggingDisabledDepth.load())
stack = makeUnique<StackShot>(16);
RELEASE_ASSERT(map.add(id, WTFMove(stack)).isNewEntry);
}
void RefTracker::reportDead(void* id)
{
RELEASE_ASSERT(id);
Locker locker(lock);
if (!map.contains(id)) {
WTFReportBacktrace();
WTFLogAlways("******************************************** Dead RefTracker was never live: %p", id);
}
RELEASE_ASSERT(map.contains(id));
RELEASE_ASSERT(map.remove(id));
}
void RefTracker::logAllLiveReferences()
{
static constexpr int framesToSkip = 3;
Locker locker(lock);
auto keysIterator = map.keys();
auto keys = std::vector<void*> { keysIterator.begin(), keysIterator.end() };
std::sort(keys.begin(), keys.end());
for (auto& k : keys) {
auto* v = map.get(k);
if (!v)
continue;
dataLogLn(StackTracePrinter { { v->array() + framesToSkip, v->size() - framesToSkip } });
dataLogLn("\n---\n");
}
}
#endif // ENABLE(REFTRACKER)
} // namespace WTF
WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
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