std::shared_lock<Mutex>::try_lock
< cpp | thread | shared lock
bool try_lock(); |
(since C++14) | |
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.
Parameters
(none)
Return value
true if the ownership of the mutex has been acquired successfully, false otherwise.
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 std::errc::resource_deadlock_would_occur
Example
This section is incomplete Reason: no example |
See also
try_lock |
tries to lock the associated mutex (public member function) |
locks the associated mutex (public member function) | |
tries to lock the associated mutex, for the specified duration (public member function) | |
tries to lock the associated mutex, until a specified time point (public member function) | |
unlocks the associated mutex (public member function) |