std::shared_lock<Mutex>::try_lock
From cppreference.com
< 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.
Contents |
[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