C++11threadswap(8)
原文地址:http://www.cplusplus.com/reference/thread/thread/swap/
public member function
<thread>
std::thread::swap
void swap (thread& x) noexcept;
Swap threads
Swaps the state of the object with that of x.
交换两个对象的状态。
例子:
// example for thread::operator= #include <iostream> // std::cout #include <thread> // std::thread, std::this_thread::sleep_for using namespace std; void show(int n){ cout<<"t"<<n<<" currents id="<<this_thread::get_id()<<endl; } int main() { thread t(show,0); cout<<"t.id="<<t.get_id()<<endl; thread t1(show,1); cout<<"t1.id="<<t1.get_id()<<endl; t.swap(t1); cout<<"after t.swap(t1)"<<endl; cout<<"t.id="<<t.get_id()<<endl; cout<<"t1.id="<<t1.get_id()<<endl; t1.join(); t.join(); }
运行截图:
Parameters
- x
- thread object whose state is swapped with that of
*this
.
将要交换的线程对象。
Return value
none
Data races
Both x and the object are modified.
Exception safety
No-throw guarantee: never throws exceptions.
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author:天下无双
Email:coderguang@gmail.com
2014-9-4
于GDUT
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