folly::try_transition_to_unique_lock_until

Synopses

Declared in <folly/synchronization/Lock.h>

Attempts, up to a deadline, to atomically upgrade a shared lock to an exclusive lock.

template<
    typename Mutex,
    typename Clock,
    typename Duration>
unique_lock<Mutex>
try_transition_to_unique_lock_until(
    shared_lock<Mutex>& lock,
    std::chrono::time_point<Clock, Duration> const& deadline);

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Attempts, up to a deadline, to atomically upgrade an upgrade lock to an exclusive lock.

template<
    typename Mutex,
    typename Clock,
    typename Duration>
unique_lock<Mutex>
try_transition_to_unique_lock_until(
    upgrade_lock<Mutex>& lock,
    std::chrono::time_point<Clock, Duration> const& deadline);

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