std::unique_lock<Mutex>::swap
From cppreference.com
void swap( unique_lock& other ) noexcept; |
(since C++11) | |
Exchanges the internal states of the lock objects.
Parameters
| other | - | the lock to swap the state with |
Return value
(none)
Example
Run this code
#include <iostream>
#include <mutex>
int main()
{
std::mutex mtx1;
std::unique_lock<std::mutex> guard1(mtx1);
std::unique_lock<std::mutex> guard2;
guard2.swap(guard1);
if (!guard1 && guard2)
std::cout << "swapped success\n";
return 0;
}
Output:
swapped success
See also
(C++11) |
specializes the std::swap algorithm (function template) |