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This commit is contained in:
Valentin Balaschenko
2026-06-01 11:57:19 +01:00
parent a4abf883cf
commit 5fc815703e
1 changed files with 16 additions and 2 deletions
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18
include/xrpl/basics/IntrusiveRefCounts.h
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@@ -244,13 +244,18 @@ private:
inline void
IntrusiveRefCounts::addStrongRef() const noexcept
{
refCounts_.fetch_add(kStrongDelta, std::memory_order_acq_rel);
auto const prev = refCounts_.fetch_add(kStrongDelta, std::memory_order_acq_rel);
auto const newStrong = static_cast<std::uint32_t>((prev & kStrongMask) + 1);
detail::updateRefCountPeak(detail::kPeakStrongObserved, newStrong);
}
inline void
IntrusiveRefCounts::addWeakRef() const noexcept
{
refCounts_.fetch_add(kWeakDelta, std::memory_order_acq_rel);
auto const prev = refCounts_.fetch_add(kWeakDelta, std::memory_order_acq_rel);
auto const newWeak =
static_cast<std::uint32_t>(((prev & kWeakMask) >> kStrongCountNumBits) + 1);
detail::updateRefCountPeak(detail::kPeakWeakObserved, newWeak);
}
inline ReleaseStrongRefAction
@@ -349,6 +354,11 @@ IntrusiveRefCounts::addWeakReleaseStrongRef() const
(!(prevIntVal & kPartialDestroyStartedMask)),
"xrpl::IntrusiveRefCounts::addWeakReleaseStrongRef : not "
"started partial destroy");
// This op converts one strong into one weak: capture the new
// weak count for the leak-proof peak.
auto const newWeak = static_cast<std::uint32_t>(
((prevIntVal & kWeakMask) >> kStrongCountNumBits) + 1);
detail::updateRefCountPeak(detail::kPeakWeakObserved, newWeak);
return action;
}
}
@@ -395,6 +405,10 @@ IntrusiveRefCounts::checkoutStrongRefFromWeak() const noexcept
desiredValue = curValue + kStrongDelta;
}
// Successful CAS promoted a weak ref to strong. Capture the new strong
// count for the leak-proof peak.
auto const newStrong = static_cast<std::uint32_t>(desiredValue & kStrongMask);
detail::updateRefCountPeak(detail::kPeakStrongObserved, newStrong);
return true;
}