std::unique_lock::try_lock_until - cppreference.com (original) (raw)

| template< class Clock, class Duration > bool try_lock_until( const std::chrono::time_point<Clock, Duration>& timeout_time ); | | (since C++11) | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | ------------- |

Tries to lock (i.e., takes ownership of) the associated mutex. Blocks until specified timeout_time has been reached or the lock is acquired, whichever comes first. On successful lock acquisition returns true, otherwise returns false. May block for longer than timeout_time until has been reached.

Effectively calls mutex()->try_lock_until(timeout_time).

std::system_error is thrown if there is no associated mutex or if the mutex is already locked by the same thread.

Clock must meet the Clock requirements. The program is ill-formed if std::chrono::is_clock_v<Clock> is false.(since C++20)

[edit] Parameters

[edit] Return value

true if the ownership of the mutex has been acquired successfully, false otherwise.

[edit] Exceptions

• Any exceptions thrown by mutex()->try_lock_until(timeout_time).
• If there is no associated mutex, std::system_error with an error code of std::errc::operation_not_permitted.
• If the mutex is already locked, std::system_error with an error code of std::errc::resource_deadlock_would_occur.

[edit] Example

[edit] See also

| | locks (i.e., takes ownership of) the associated mutex (public member function) [edit] | | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | tries to lock (i.e., takes ownership of) the associated mutex without blocking (public member function) [edit] | | | attempts to lock (i.e., takes ownership of) the associated TimedLockable mutex, returns if the mutex has been unavailable for the specified time duration (public member function) [edit] | | | unlocks (i.e., releases ownership of) the associated mutex (public member function) [edit] |