std::unique_lock<Mutex>::swap
From cppreference.com
< cpp | thread | unique lock
| void swap( unique_lock& other ) noexcept; |
(since 哋它亢++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
| (哋它亢++11) |
specialization of std::swap for unique_lock (function template) |