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Make noncopyable

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Dmitry Novik 2022-05-18 01:42:13 +00:00
parent a97ba9741e
commit 20c537addd
1 changed files with 4 additions and 0 deletions
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4
src/Common/OvercommitTracker.h
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@ -155,11 +155,15 @@ private:
Poco::Logger * logger = &Poco::Logger::get("GlobalOvercommitTracker");
};
// This class is used to disallow tracking during logging to avoid deadlocks.
struct OvercommitTrackerBlockerInThread
{
OvercommitTrackerBlockerInThread() { ++counter; }
~OvercommitTrackerBlockerInThread() { --counter; }
OvercommitTrackerBlockerInThread(OvercommitTrackerBlockerInThread const &) = delete;
OvercommitTrackerBlockerInThread & operator=(OvercommitTrackerBlockerInThread const &) = delete;
static bool isBlocked() { return counter > 0; }
private: