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| class thread_guard {
public:
explicit thread_guard(thread &t) : _t(t) {}
~thread_guard() {
if (_t.joinable()) {
_t.join();
}
}
thread_guard(const thread_guard &) = delete;
thread_guard &operator=(const thread_guard &) = delete;
private:
thread &_t;
};
int main() {
for (int i = 0; i < 10; ++i) {
thread t{[](int x) { cout << x << endl; }, i};
thread_guard tg{t};
}
return 0;
}
|