std::shared_lock<Mutex>::try_lock
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< 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 std::errc::resource_deadlock_would_occur.
[edit] Example
| This section is incomplete Reason: no example |
[edit] See also
| locks the associated mutex (public member function) | |
| tries to lock (i.e., takes ownership of) the associated mutex without blocking (public member function of std::unique_lock<Mutex>)
| |
| 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) |