Attempts to obtain ownership of the mutex without blocking.
template<class Rep, class Period>
bool try_lock_for(const chrono::duration<Rep, Period>& Rel_time);
A chrono::duration object that specifies the maximum amount of time that the method attempts to obtain ownership of the mutex.
if the method successfully obtains ownership of the mutex or if the calling thread already owns the mutex; otherwise, false.
If the calling thread already owns the mutex, the method immediately returns true, and the previous lock remains in effect.
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