std::shared_lock<Mutex>::try_lock

Tries to lock the associated mutex in shared mode without blocking. Effectively calls mutex()->try_lock_shared().

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

[edit] Parameters

(none)

[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_shared().

• 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