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Code Issues Releases Activity

SERVER-42374 TimestampMonitor should stop its PeriodicJob prior to destructing itself

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This commit is contained in:
Gregory Wlodarek 2019-07-24 10:19:35 -04:00
parent e82c7b495f
commit f38eabe384
1 changed files with 6 additions and 1 deletions
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7
src/mongo/db/storage/storage_engine_impl.h
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@ -282,7 +282,6 @@ public:
KVEngine* _engine;
bool _running;
PeriodicJobAnchor _job;
// The set of timestamps that were last reported to the listeners by the monitor.
MonitoredTimestamps _currentTimestamps;
@ -293,6 +292,12 @@ public:
// Protects access to _listeners below.
stdx::mutex _monitorMutex;
std::vector<TimestampListener*> _listeners;
// This should remain as the last member variable so that its destructor gets executed first
// when the class instance is being deconstructed. This causes the PeriodicJobAnchor to stop
// the PeriodicJob, preventing us from accessing any destructed variables if this were to
// run during the destruction of this class instance.
PeriodicJobAnchor _job;
};
StorageEngine* getStorageEngine() override {