global_lock_acquisition_tracker.h

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#pragma once

#include "mongo/db/operation_context.h"

namespace mongo {

class GlobalLockAcquisitionTracker {
public:
    static const OperationContext::Decoration<GlobalLockAcquisitionTracker> get;

    // Decoration requires a default constructor.
    GlobalLockAcquisitionTracker() = default;

    bool getGlobalExclusiveLockTaken() const;

    void setGlobalExclusiveLockTaken();

private:
    // Set to true when the global lock is first taken in X or IX mode. Never set back to false.
    bool _globalExclusiveLockTaken = false;
};

}  // namespace mongo