Method OnPrepare

library/cpp/yt/threading/at_fork.cpp:73–81

    }

    void OnPrepare()
    {
        IterateAtForkHandlerSets([] (const TAtForkHandlerSet& set) {
            if (set.Prepare) {
                set.Prepare();
            }
        });
        ForkLock_.AcquireWriter();
    }


    void OnParent()