std::shared_lock::try_lock

From cppreference.com
< cpp‎ | thread‎ | shared lock
 
 
Thread support library
Threads
(C++11)
this_thread namespace
(C++11)
(C++11)
(C++11)
(C++11)
Mutual exclusion
(C++11)
(C++11)
(C++17)
Generic lock management
(C++11)
(C++11)
(C++14)
(C++11)
(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
Condition variables
(C++11)
Futures
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
 
 
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()

[edit] Example

[edit] 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)