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library/cpp/yt/threading/at_fork.h
30 строк
797 B
qkrorlqr
Initial NBS OpenSource export
28 апр 2023, 21:54
28 апр 2023, 21:54
783a858
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#pragma once #include "rw_spin_lock.h" #include <functional> namespace NYT::NThreading { //////////////////////////////////////////////////////////////////////////////// using TAtForkHandler = std::function<void()>; //! Registers handlers to be invoked at fork time. //! See |pthread_atfork| for more details. /*! * Once all prepare handlers are invoked, fork lock is acquired * in writer mode. This lock is subsequently released in both child * and parent processes once fork is complete. */ void RegisterAtForkHandlers( TAtForkHandler prepare, TAtForkHandler parent, TAtForkHandler child); //! Returns the fork lock. TReaderWriterSpinLock* GetForkLock(); //////////////////////////////////////////////////////////////////////////////// } // namespace NYT::NThreading