std::mutex::try_lock

 

C++

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lock_guard (C++11) unique_lock (C++11) shared_lock (C++14) defer_lock_t try_to_lock_t adopt_lock_t (C++11) (C++11) (C++11)	lock (C++11) try_lock (C++11) defer_lock try_to_lock adopt_lock (C++11) (C++11) (C++11)
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std::mutex

Member functions

mutex::mutex

Locking

mutex::lock

mutex::try_lock

mutex::unlock

Native handle

mutex::native_handle

 

bool try_lock();		(since C++11)

Tries to lock the mutex. Returns immediately. On successful lock acquisition returns true, otherwise returns false.

The behavior is undefined if the mutex is not unlocked before being destroyed, i.e. some thread still owns it.

Parameters

(none)

Return value

true if the lock was acquired successfully, otherwise false.

Exceptions

(none)

See also

lock	locks the mutex, blocks if the mutex is not available (public member function)
unlock	unlocks the mutex (public member function)