public member function
<thread>
std::thread::operator= move (1)thread& operator= (thread&& rhs) noexcept;copy [deleted] (2)
thread& operator= (const thread&) = delete;
Move-assign thread
If the object is currently not joinable, it acquires the thread of execution represented by rhs (if any).If it is joinable, terminate() is called.
After the call, rhs no longer represents any thread of execution (as if default-constructed).
thread objects cannot be copied (2).
*this.
*this
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// example for thread::operator=
#include <iostream> // std::cout
#include <thread> // std::thread, std::this_thread::sleep_for
#include <chrono> // std::chrono::seconds
void pause_thread(int n)
{
std::this_thread::sleep_for (std::chrono::seconds(n));
std::cout << "pause of " << n << " seconds ended\n";
}
int main()
{
std::thread threads[5]; // default-constructed threads
std::cout << "Spawning 5 threads...\n";
for (int i=0; i<5; ++i)
threads[i] = std::thread(pause_thread,i+1); // move-assign threads
std::cout << "Done spawning threads. Now waiting for them to join:\n";
for (int i=0; i<5; ++i)
threads[i].join();
std::cout << "All threads joined!\n";
return 0;
}Spawning 5 threads... Done spawning threads. Now waiting for them to join: pause of 1 seconds ended pause of 2 seconds ended pause of 3 seconds ended pause of 4 seconds ended pause of 5 seconds ended All threads joined!
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